TW202339644A - Method for extracting hair color-related information - Google Patents

Abstract

This method for extracting hair color-related information uses correlation information that indicates the correlation between impression type information on the appearance of a person's face including hair and partial makeup information on partial makeup for the color of the hair, and, by specifying one of the impression type information and the partial makeup information, extracts the other.

Description

How to extract hair color related information

The present invention relates to a method for extracting hair color-related information such as hair color of the entire head area, partially dyed hair color, and impression related to the appearance of the person including the hair.

In the hair dyeing industry, products that partially dye hair have been increasing in recent years. Under such circumstances, people (especially women) have been seeking information (dyed color, position, etc.) that appropriately expresses the impression after hair dyeing in order to obtain the target impression. In this situation, as disclosed in Non-Patent Documents 1 and 2, many advanced studies are being carried out on the relationship between hair color and women's impression and attractiveness. Prior technical literature Non-patent document 1 Chihiro Saegusa and Katsumi Watanabe, "The "match" of hair color and face and attractiveness: self-evaluation and other people's evaluation" Journal of the Japan Kansei Engineering Society (2014) 13 pp.253-258 Non-patent document 2 Written by Tokiko Nakagawa, "Evaluation of Impressions of Hair Dyeing" Journal of the Japan Color Society (2018) 42 SUPPLEMENT 210-212

The present invention relates to a method for extracting hair color-related information, which is characterized by using relevant information indicating the correlation between impression category information and local coloring information. The above-mentioned impression category information belongs to an impression related to the appearance of a human face including hair. Which impression classification is determined, the above-mentioned partial dyeing information is related to the hair color of the above-mentioned hair and is related to the partial dyeing; and by specifying one of the above-mentioned impression category information or the above-mentioned partial dyeing information, the other is extracted .

Furthermore, the present invention relates to a device for extracting hair color-related information, which is characterized by including: a memory element that memorizes relevant information indicating the correlation between impression category information and local dyeing information. The above-mentioned impression category information is related to the hair color-related information. The above-mentioned partial dyeing information is related to the hair color of the above-mentioned hair and is related to the partial dyeing; a designated element allows the user to specify the above-mentioned impression category information or the above-mentioned partial dyeing information. one of the coloring information; an extraction component that extracts the other based on the above-mentioned related information and the above-mentioned impression category information specified by the above-mentioned specified component or one of the above-mentioned partial coloring information; and an output component whose output is by The extraction results obtained from the above extraction components.

Furthermore, the present invention relates to a device for extracting hair color-related information, which is characterized in that it includes: a memory element that memorizes relevant information indicating the correlation between impression category information, partial dyeing information, and whole hair color information. The above-mentioned impression category information is The above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned full hair color information is about the whole of the above-mentioned hair. The hair color of the head area; the designated component, which allows the user to specify a part of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information; the extraction component, which is specified based on the above-mentioned relevant information and through the above-mentioned specified component The above-mentioned part extracts the above-mentioned impression type information, the above-mentioned partial dyeing information and the above-mentioned whole hair color information that are different from the above-mentioned part; and an output component outputs the extraction result obtained by the above-mentioned extraction component.

Furthermore, the present invention relates to an application for extracting hair color-related information, which is characterized by activating a device for extracting hair color-related information having relevant information indicating a correlation between impression category information and local coloring information. The above-mentioned impression category information It is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to. The above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the partial dyeing; and the application for extracting the above-mentioned hair color-related information It includes: a designation process that designates one of the above-mentioned impression category information or the above-mentioned local coloring information; and an extraction process that extracts the other based on the above-mentioned related information and the one designated by the above-mentioned designation process.

Furthermore, the present invention relates to an application for extracting hair color-related information, which is characterized by activating a hair color-related information extraction device having relevant information indicating a correlation between impression category information, partial dyeing information, and whole hair color information. , the above-mentioned impression category information is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to, the above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned full hair color information It is about the hair color of the entire head area of the above-mentioned hair; and the application for extracting the above-mentioned hair color-related information includes: designated processing, which is one of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole-hair color information. ; and extraction processing, which is based on the above-mentioned relevant information and the above-mentioned one specified by the above-mentioned specification processing, and extracts the combination of the remaining two.

Furthermore, the present invention relates to an application for extracting hair color-related information, which is characterized by activating a hair color-related information extraction device having relevant information indicating a correlation between impression category information, partial dyeing information, and whole hair color information. , the above-mentioned impression category information is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to, the above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned full hair color information It is about the hair color of the whole head area of the above-mentioned hair; and the application for extracting the above-mentioned hair color-related information includes: designated processing, which is to specify two of the above-mentioned impression category information, the above-mentioned partial dyeing information and the above-mentioned whole hair color information ; and extraction processing, which is based on the above-mentioned relevant information and the above two specified by the above-mentioned specifying processing, and extracts the remaining one.

Furthermore, the present invention relates to a head image editing method, which is characterized in that the head image is edited using relevant information indicating a correlation between impression category information, local coloring information, and whole hair color information. The impression category information is The above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned full hair color information is about the whole of the above-mentioned hair. The hair color of the head area; and the above-mentioned editing method of the head image includes: an acquisition step, which is to acquire a head image of a person including hair; and a calculation step, which is to calculate the head image obtained by the above-mentioned acquisition step. The image is subjected to image analysis to calculate the above-mentioned local dyeing information and the above-mentioned whole hair color information; the specifying step is to specify the above-mentioned impression category information; the extraction step is to extract relevant information based on the above-mentioned relevant information and the specified above-mentioned impression category information. A combination of the above-mentioned partial dyeing information and the above-mentioned whole hair color information that has a strong relationship; a selection step, which is to select at least any one of the above-mentioned partial dyeing information and the above-mentioned whole hair color information; and a hair color changing step, which is the above-mentioned In the acquired head image, the hair color of the head image is changed based on the selected local coloring information and/or the whole hair color information.

Furthermore, the present invention relates to a wig set, which includes: related information indicating the correlation between impression category information, partial dyeing information and whole hair color information. The above impression category information is an impression related to the appearance of a human face including hair. The above-mentioned partial dyeing information is related to the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned full-hair color information is related to the hair color of the entire head area of the above-mentioned hair; wigs; and dyed hair. An agent, which applies the hair color of the above-mentioned hair to at least a part of the above-mentioned wig based on the above-mentioned relevant information.

Furthermore, the present invention relates to a hair dye set, which includes: related information, which represents the correlation between impression category information, partial dyeing information and whole hair color information. The above impression category information is related to the appearance of the human face including hair. The above-mentioned partial dyeing information is related to the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned whole-hair color information is related to the hair color of the entire head area of the above-mentioned hair; and hair dyes. , which applies the hair color of the above-mentioned hair to at least a part of the above-mentioned hair based on the above-mentioned relevant information.

In the case of Non-Patent Documents 1 and 2, in order to change the appearance of the hair and change people's impression, it is proposed to partially dye the hair based on the subjective judgment of the beautician (stylist). However, the content of the stylist's proposal for hair dyeing depends largely on their own subjectivity, and the content of the proposal given to the customer cannot be said to be universal. Furthermore, during the course of the research, we learned that the factors that change people's impressions are not just the location and size of the stained area. Furthermore, there is a need for customers to know, for example, what kind of impression their hair is currently showing. Based on this situation, we have been pursuing the goal of allowing customers to control their own impressions, or allowing stylists to recommend hair colors for partially dyed areas (hair color changes) to meet the customer's wishes. The present invention was completed in view of the above-mentioned problems, and relates to a technology for extracting the other by specifying one of impression or local coloring information related to the appearance of a person including hair.

According to the method provided by the present invention, relevant information representing a statistically obtained correlation between impression category information obtained by determining which impression category the impression associated with the appearance of the human face including hair belongs to and local coloration information are used. Furthermore, the above-mentioned partial dyeing information is related to the hair color of the hair and is related to the partial dyeing; and by specifying one of the impression category information or the partial dyeing information, the other can be extracted, so it can be objectively determined based on the partial dyeing information. Extract impression category information, or objectively extract local coloring information based on the impression category information.

Hereinafter, examples of preferred embodiments of the present invention will be described with reference to the drawings. Furthermore, the drawings of this embodiment are used to illustrate the technical idea, structure, and operation of the present invention, and do not specifically limit the structure. In addition, in all drawings, the same components are denoted by the same symbols, and repeated descriptions are appropriately omitted.

＜Outline＞ An outline of the method of extracting hair color-related information in this embodiment will be described. Figure 1 shows an outline of the card method, an experimental method used to calculate the correlation information indicating the correlation between the impression category information and the local coloring information on the human face including hair. The above-mentioned partial dyeing information is related to the hair color of the hair and is related to the partial dyeing; or it represents the correlation between the impression category information, the partial dyeing information and the whole hair color information. , the above-mentioned impression category information is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to, the above-mentioned partial dyeing information is about the hair color of the hair and is related to local dyeing, and the above-mentioned full hair color information is Regarding the hair color of the entire head area. Here, the impression category information is information obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to. The specific information indicating the impression is the impression category (for example, "feminine", "cute", " "Bright" and "Fashion" fall into this category, and the relevant details will be described below) fall into this category, and the relevant details will be described below. Similarly, specific information representing an impression, that is, impression categories (for example, "feminine", "cute", "bright", and "fashionable" fall into this category) also belong to "impression items". In this embodiment, "impression category information" will also be recorded as "impression item". In addition, the partial dyeing information is information about the hair color of the hair and related to the partial dyeing. Specifically, the partial dyeing color (hair color), the partial dyeing area (hair volume), etc. fall into this category. Similarly, "partial dyeing items" are also information about the color of hair and related to partial dyeing. Specifically, the color of partial dyeing (hair color), the area of partial dyeing (hair volume), etc. fall into this category. In this embodiment, "partial dyeing information" will also be recorded as "partial dyeing item". In addition, the whole hair color information is information related to the hair color of the entire head area. Specifically, the hair color of the part that will not be partially dyed, the hair color of the part that is to be partially dyed before dyeing, etc. fall into this category. Similarly, the "whole head item" is also information related to the hair color of the entire head area. Specifically, the hair color of the part that is not subject to partial dyeing, the hair color of the part that is to be partially dyed before dyeing, etc., falls under this class. In this embodiment, "whole hair color information" will also be recorded as "whole head item".

As shown in Figure 1, a plurality of types of image cards are prepared by combining specific partial coloring items and specific full head items. The image card is shown as a cartoon in Figure 1, but it is actually an image card based on images taken of the same model. Here, the five items of navy black, mode blue, olive khaki, pearl rose, and shine gold are used as part of the partial dyeing items. The hair color of the dyed part (hereinafter sometimes also referred to as the partial dye color) consists of three items: cool pink, royal brown, and forest khaki. For the hair color of the head, 15 image cards (hereinafter sometimes also called stimulus images) are prepared for 8 coloring methods from the combination of the above two. That is, a total of 120 image cards are prepared. The 8 coloring methods are shown in Figure 2. There are 4 hair styles for straight hair, namely: 1) partial dyeing in a narrow and thin shape from the top of the head to the tips of the hair, 2) in a wide and thick shape from the top of the head to the tips of the hair. To dye partial dye, 3) dye partial dye from the middle of the hair to the tips, 4) dye partial dye to the tips; there are 4 types of hairstyles for curly hair, namely: 1) from the top of the head to the tips Dye the partial dye in a narrow and thin shape, 2) dye the partial dye in a wide and thick shape from the top of the head to the tip of the hair, 3) dye the partial dye from the middle of the hair to the tip, 4) dye the tips of the hair Bureau dyeing colors; 8 colors in total. Then, the subjects were asked to observe the image cards (15 styles) colored in the same way, and the subjects were asked "To what extent do they feel a specific impression (for example, femininity)?" and the subjects were asked to compare the images. The card is placed on the scale shown in Figure 1. For example, ask the subject "To what extent do you feel "feminine"?" and ask the subject to place the card that "feels very feminine" on the right end of the scale and the card that thinks "doesn't feel feminine at all". The "flavor" card is placed at the left end of the ruler, so that all image cards are placed on the ruler. Scores are scored according to where on the ruler the image card is placed. Based on the results of all subjects, relevant information indicating the statistical correlation between the impression items, the partial dyeing items and the whole head items is calculated. The above impression items are related to the appearance of the human face including hair; the above partial dyeing items are related to If the hair color is related to local dyeing, the above-mentioned whole-head items are related to the hair color of the whole head area. In this embodiment, the relevant information indicating the correlation is calculated from the numerical values obtained by using the card method shown in Figure 1. However, it is not limited to this. For example, a pair of specific image cards and other image cards can also be compared. It is carried out by comparative method, and the experimental method is not limited. In addition, the number of subjects is not limited, so for example, it can also be expressed based on one specific subject (a subject who has a high awareness of hair color and human appearance impressions such as hair stylists and stylists) The relevant information of the correlation is calculated based on the results of the experiment using the card method shown in Figure 1. By using such related information, anyone who uses the hair color related information extraction method of this embodiment can objectively extract impression category information based on the local dyeing information with the same results, or objectively extract the impression category information based on the same results. Extract local staining information. Through this experiment, relevant information indicating the correlation between the impression item, the partial dyeing item and the whole head item is calculated. Furthermore, by changing the conditions when creating the image card (for example, the conditions of the partial dyeing items), it is possible to calculate which item of the partial dyeing items and what kind of relevant information exists in the impression item. The relevant details will be described below.

"Impression category information that determines which impression category the impression related to the appearance of the human face including hair belongs to" refers to the feeling experienced by the observer from the appearance of the overall appearance of the human face including hair, based on the observer's subjective basis Judgment (judgment) income. Here, the number of observers is not limited and can be one or multiple observers. In the case where there is only one observer, hair stylists, stylists, etc. who serve as objective judgment indicators for the user (the method of extracting hair color-related information or the user of the device for extracting hair color-related information) evaluate the hair color and People with a high awareness of people's appearance impressions (those with high skills) are better as observers, and this type of information can be judged by such observers based on subjective criteria. In addition, when there are multiple observers, it is better to use the one obtained by integrating the judgment (judgment) results of each observer based on subjective standards (the correlation obtained by statistics below). The impression type information (impression item) used in this embodiment will be described using FIG. 3 . Figure 3 shows a logical analysis of the "color", "shape" and "material" of objects and the "color", "shape", "material (texture)" and "inner surface" of people, which are generally divided into A four-quadrant image of the impression formed by the four styles specified in the Styling Map (registered trademark). The four-quadrant image has three axes: left and right, up and down, and tilted. Based on these axes, it is analyzed and classified into four styles: "Aqua Style", "Gorgeous Style", "Earth Style", and "Crystal Style". It is divided into 4 styles by the 1st axis which has a warm zone and a cold zone at the opposite pole, the 2nd axis which has a soft zone and a hard zone at the opposite pole, and the 3rd axis which shows the difference in vividness. In this embodiment, latent image words included in each style are extracted one by one as impression items. "Aqua style" is cold in terms of coldness or warmth, and soft in terms of softness or hardness. It has a smooth gradient and represents the image of gentle water color and flowing dew. As latent image words for modeling included in Aqua's style, they include feminine, romantic, elegant, gentle, clear, noble, conservative, and simple. These latent image words are arranged on maps that vary according to the degree of cold impression and the degree of soft impression. That is, the degree of the impression of coldness and the degree of softness differ depending on the latent image word. In this embodiment, "femininity" is used as an impression item having the image of gentle water color and flowing dew. "Gorgeous style" is warm in terms of coldness or warmth, and soft in terms of softness or hardness. The contrast is sharp, and it is the image of bright orange and round and lovely flowers. As latent image words for styling included in the gorgeous style, there are, for example, cute, beautiful, popular, girly, casual, boyish, energetic, and sporty. These latent image words are arranged on maps that vary according to the degree of impression of warmth and the degree of softness. That is, the degree of the impression of warmth and the degree of softness differs depending on the latent image of the form. In this embodiment, "cute" is used as an impression item having the image of bright orange, round and cute flowers. "Earth style" is warm in terms of coldness or warmth, and hard in terms of softness or hardness. It has a smooth gradient and is an image of deep brown and the leaves of a big tree rooted in the earth. As latent image words of modeling included in the earth style, for example, it includes the impression words of bright, wild, traditional, ethnic, sexy, folk-flavored, classical, and natural. These impression words are arranged on a map that differs according to the degree of warm impression and the degree of hard impression. That is, the degree of the impression of warmth and the degree of hardness differ depending on the latent image of the form. In this embodiment, "bright" is used as an impression item that represents the image of a deep brown color and leaves of a large tree rooted in the earth. "Crystal style" is cold in terms of coldness or warmth, and hard in terms of softness or hardness. The contrast is sharp, and it is the image of clean cyanosis and a clear gemstone that emits cold light. As latent image words of modeling contained in crystal style, for example, it includes the impression words of fashion, gentleman, tough, masculine, capable, sharp, formal, and rock. These impression words are placed on a map that varies depending on the degree of cold impression and the degree of hard impression. That is, the degree of the impression of coldness and the degree of hardness differ depending on the latent image of the form. In this embodiment, "fashion" is used as an impression item having the image of a clear gem with a clean cyan color and a cold light. Furthermore, in this embodiment, clothing that expresses the impression of "femininity", "cuteness", "brightness", and "fashion" is shown to the subjects in advance, so that each subject can evaluate each image category information ( The impressions of each impression item) are unified.

"Hair" refers to the hair that grows on a person's head, which is hair or hair. In this embodiment, in addition to the hair that grows on a person's head, hair also includes human hair, animal hair, natural fiber or artificial hair. fiber etc. When it grows outside the hair on a person's head, it is preferably similar to the hair used as a wig and functions as a substitute for the hair. "Partial dyeing information related to hair color and partial dyeing" refers to information (items) related to the part dyed with a hair color that is different from the hair color of the whole head with respect to the whole head. Regarding hair color, the hair color of the part related to the local dyeing, the area of the part related to the local dyeing, the position of the part related to the local dyeing (for example, hair roots, hair tips, etc.), the part related to the local dyeing, etc. The color difference between the part and the whole head (ΔE), the color difference between the part related to the partial dyeing and the whole head (ΔH), the chroma difference between the part related to the partial dyeing and the whole head (ΔS), etc. In addition, the "color" in "hair color" refers to the measured color measured using a colorimeter or software for extracting color codes. The hair color of the part related to local dyeing includes color name, coordinates of specific color space, etc. The area of the part related to local dyeing includes the size of the part related to local dyeing, the ratio of the part related to local dyeing to the whole head, etc. The position of the part related to partial dyeing includes names indicating the location such as hair root, hair tip, hair root to hair tip, the length of the part related to partial dyeing from the hair root, and the length of the part related to partial dyeing relative to the whole hair. Ratio etc.

"Full head area of hair" refers to all areas of hair, including partially dyed areas. "Full hair color information about the hair color of the whole head area" refers to the information (item) related to the hair color of the whole head area. If it is before partial dyeing, it refers to the hair color of the whole head area including the partial dyeing part. Color-related information (items), if it is after partial dyeing, refers to the information (items) related to the hair color of the hair except the partial dyed part. In addition, the "color" in "hair color" refers to the measured color measured using a colorimeter or software for extracting color codes.

"Relevant information indicating a relevant relationship" refers to relevant information calculated based on the results obtained by conducting a specific experiment on one or more subjects. The relevant details will be described below. The information form of "related information" is not limited, such as line graphs, tables, charts, formulas, numerical values, etc. calculated based on the results of specific experiments. It can also be based on the results of multiple specific experiments conducted on one subject. When relevant information indicating a correlation is calculated based on a plurality of results obtained by conducting a specific experiment, the plurality of results are calculated using specific statistical processing, and therefore become relevant information indicating a statistically obtained correlation. Furthermore, the correlation function is preferably a correlation function of a statistically obtained correlation, and more preferably a correlation function of a correlation calculated based on the results of experiments on a plurality of subjects. When using related information indicating the correlation between an impression item and a partial dyeing item, partial dyeing items that are highly related to the impression item can be extracted by specifying the impression item, and partial dyeing items that are highly related to the partial dyeing item can be extracted by specifying the partial dyeing item. Impression project. In addition, when using related information indicating the correlation between impression items, partial dyeing items and full head items, partial dyeing items and full head items that are highly related to the impression items can be extracted by specifying the partial dyeing items. Impression items and partial dyeing items that are highly related to partial dyeing items can be extracted. As long as the whole head item is specified, impression items and partial dyeing items that are highly related to full head items can be extracted.

<1) Information related to the whole head item, partial dyeing item (color difference (ΔE), coloring method (area ratio)), and impression item> The partial dyeing item includes area information related to the area of the part of the hair to be partially dyed, And the color difference (ΔE) between the hair color of the whole head area and the hair color of the partially dyed area. "The area of partially dyed hair" refers to the area of the partially dyed hair. "Area information related to area" refers to the value determined by the thickness and length of the part of the hair that is partially dyed, including the size (value) of the part of the hair that is partially dyed, the area ratio relative to the entire head area, and the The length ratio of the total hair length. "Area information is information on areas with different staining areas" includes information on multiple areas in which the areas of partially stained parts are different from each other. For example, it includes information on areas (numeric values) of partially stained parts that are different from each other, and partially stained parts with respect to the same area. The area ratio and length ratio of the whole head are different. The "color difference (ΔE)" in this embodiment refers to the difference between the hair color of the entire head area and the hair color of the locally dyed portion (hereinafter, sometimes also referred to as local dye color) in the L ^* a ^* b ^* color space ( Difference), also refers to the coordinate distance (difference) between the hair color of the whole head area and the partial dye color. Depending on the different coating methods, such as whether to apply the partial dye color of the same hue thickly or lightly, the color difference ( ΔE) is also different. In the experiment of 1), the hair color of the whole head area of the same hue (for example, royal noble brown) and the partial dyeing color of the same hue (for example, pearl rose red) were used to study the hair color and partial dyeing of the whole head area. The influence of different color differences (ΔE) of colors on impression items, therefore, the difference in color difference (ΔE) is set through the coating method of local dyeing colors. Furthermore, in the experiment of 1), the difference in color difference (ΔE) was set by applying the local dyeing color of the same hue thickly/lightly, but the difference in color difference (ΔE) was applied thickly/lightly. Coating will also cause chroma difference, brightness difference, and hue difference. Therefore, the color difference (ΔE) in this embodiment includes chroma difference, brightness difference, and hue difference. Use Figure 4 to Figure 7 to show the experimental content of 1).

Subjects: 5 women aged 20 to 29 years old Impression items: 4 items: femininity, cuteness, bright color, and fashion Stimulus images: Stimulus images of the combination shown in Figure 4 (48 images in total) The combination of stimulation images was performed in advance as shown in Figure 1. For each impression item, based on stimulation images above a specific standard, combinations of hair color, local dyeing color and coloring method were extracted for the entire head area, and the extracted The combination is obtained by conducting the experiment of 1). Furthermore, Figure 4 shows a representative combination of each impression item selected from a combination of stimulus images above a specific standard. It is also possible to conduct the experiment 1) on the hair color, local dyeing color, and coloring method of the entire head area shown in Figure 1. However, considering the experimental efficiency and the burden on the subject, it is better to use the method shown in Figure 1 The combination of stimulus images is determined by the tendency of each impression item that can be extracted in the experiment to appear.

1) The hair style/partial dyeing method used in the experiment is shown in Figure 5. As shown in Figure 5, curly hair styles C1 to C3 are those with partial dyeing from the roots to the tips, and C4 to C6 are those with partial dyeing from the tips. Moreover, C2 and C5 represent the situation where the standard area (regardless of the general use area of the impression) is dyed with local dyeing color. C2 and C5 are set as the standard (100%), and the area ratio of C2 and C5 is 75%. The cases where the partial color is dyed are C1 and C4, and the cases where the partial dyeing color is 125% relative to C2 and C5 are C3 and C6. Similarly, S1 to S3 of straight hair styles are those with partial dyeing from the roots to the tips, and S4 to S6 are those with partial dyeing of the tips. Moreover, S2 and S5 represent the situation where the standard area (regardless of the general use area of the image) is dyed with local dyeing color. S2 and S5 are set as the standard (100%), and the area ratio of S2 and S5 is 75%. S1 and S4 are the cases where the upper dyeing color is applied, and S3 and S6 are the cases where the partial dyeing color is applied at an area ratio of 125% with respect to S2 and S5. In addition, the number indicating the percentage described in each image represents the ratio of the partially stained portion when the entire head area is set to 100, and is area information.

A conceptual diagram showing the relationship between the difference in area of the locally dyed portion and the color difference (ΔE) in the experiment of 1) is shown in Figure 6 . The horizontal axis represents the color difference (ΔE) between the hair color of the whole head area and the partially dyed part. The further to the right, the greater the color difference (ΔE) between the hair color of the whole head area and the partially dyed part. The first and second from the left and the second and third from the left are the scale width of the same color difference (ΔE), but the third and fourth from the left are the scale width of the previous color difference (ΔE). 2 times the value. The vertical axis represents the difference in area of the partial dyeing part, and the middle section represents the standard area for partial dyeing regardless of the impression item. The upper section is the area of the partially dyed part that is 75% of the area of the middle section, and the lower section is 125% of the area of the middle section. (1) to (4), (1a) to (4a), and (1b) to (4b) shown in Fig. 6 represent coordinates including the horizontal axis and the vertical axis, and are the coordinates of each stimulus image.

Figure 7 is an example of stimulus images used in the Impression Project: Experiment on Femininity. The relationship between the difference in the area of the partially stained portion and the color difference (ΔE) is the same as shown in Figure 6. (1) to (4) illustrate the situation in which hair tips are partially dyed in a standard area in a straight hair style. Moreover, from (1) to (4), the value of color difference gradually becomes larger. The color differences between (1) and (2) and (2) and (3) are the same scale width. For comparison, (3) and (4) are twice the scale width. (1a) to (4a) are stimulation images obtained by staining an area of 125% with a local staining color relative to the local staining area of (1) to (4). That is, it is a stimulus image with a larger local staining area than (1) to (4). In the same manner as from (1) to (4), from (1a) to (4a), the value of the color difference gradually becomes larger. (1b) to (4b) are stimulation images obtained by staining an area of 75% with a local staining color relative to the local staining area of (1) to (4). In other words, it is a stimulus image in which the local staining area is smaller than (1) to (4). In the same manner as from (1) to (4), from (1b) to (4b), the value of the color difference gradually becomes larger. Therefore, comparing the 12 stimulus images shown in Figure 7, it can be seen that the stimulus image that is easily seen to have been partially stained and easily recognized is the one with larger area and larger color difference (4a). In addition, it is difficult to see at a glance that partial dyeing has been carried out and the stimulus image that is difficult to recognize at a glance is one in which the area and color difference are small (1b). As explained in the following experimental results for 1), the degree to which a specific impression item is felt varies depending on the partial dyeing and coloring method, so it is important to indicate the partial dyeing and coloring method as the extraction result. In order to obtain appropriate experimental results, it is important to prepare stimulation images with different local staining areas and color differences. Furthermore, when prompting for extraction results, not only numerical information but also corresponding stimulus images can be prompted. Using this stimulus image, relevant information on the results of the experiment 1) using the card method shown in Figure 1 is displayed in Figures 8(a) to 8(d). Furthermore, the coordinate system relationships in Figures 8(a) to 8(d) are the same as (1) to (4), (1a) to (4a), (1b) to (4b) shown in Figure 7 The coordinates of the stimulus image. Although not shown in Figures 8(a) to 8(d), in the following description, each coordinate will also refer to (1) to (4), (1a) to (4a), (1b) to (4b) ).

Figure 8(a) shows the color difference (ΔE) and area ratio adapted to the impression item: femininity. In the case of femininity, when the whole head item: royal noble brown and the partial dyeing item: hair color is pearl rose red and the hair style is straight and smooth, higher relevant information is obtained, so the combination is different. Experiments were conducted with 4 different color differences (ΔE) and 3 different areas of partially dyed parts. The horizontal and vertical axes of Figure 8(a) are as illustrated in Figure 6 . In addition, the stimulus image corresponding to the coordinates filled with the strongest color in Figure 8(a) is one in which more subjects feel feminine, and as the filling color becomes lighter, the subjects who feel more feminine The number of people becomes smaller. Furthermore, even for a stimulus image comparable to coordinates filled with the lightest color, more than half (three) of the subjects felt feminine. It can be seen from Figure 8(a) that the stimulus image with the smallest local staining area and the smallest color difference (the stimulus image in (1b)) has more subjects who feel feminine. Specifically, compared to the case where the entire head area is lightly dyed with an area of about 13 to 17% and a thickness of about 8 to 12 mm (ΔE = 5.7 to 7.8), the feeling of femininity is felt. There are more testers.

Figure 8(b) shows the color difference (ΔE) and area ratio adapted to the impression item: cuteness. In a cute situation, when the whole head item: cool pink and the partial dye item: hair color is glitter gold and the hair style is curly hair, higher relevant information is obtained, so the four different color differences in the combination are obtained (ΔE), experiments were carried out with three different areas of locally stained parts. The horizontal and vertical axes of Figure 8(b) are as illustrated in Figure 6 . In addition, the stimulus image corresponding to the coordinates filled with the strongest color in Figure 8(b) is one in which more subjects find it cute, and as the filled color becomes lighter, the number of subjects who find it cute increases. Those who become less. Furthermore, more than half (three) of the subjects found the stimulus image equivalent to the coordinates filled in the lightest color to be cute. It can be seen from Figure 8(b) that more subjects found the stimulus image (stimulus image in (1)) cute when the area of partial staining is a standard area and the color difference is minimal. Specifically, compared to the case where the entire head area is partially dyed with an area of about 17 to 23% and a thickness of about 8 to 12 mm (ΔE = 6.6 to 10.0), the experience of feeling cute is There are more.

Figure 8(c) shows the color difference (ΔE) and area ratio adapted to the impression item: bright. In bright and colorful situations, when combining the full head item: Royal Noble Brown and the partial dyeing item: olive khaki hair color and full head curly hair style, higher relevant information will be obtained, so the 4 different items in the combination will be obtained Experiments were conducted on three different color differences (ΔE) and the area of three locally dyed parts. The horizontal and vertical axes of Figure 8(c) are as illustrated in Figure 6 . In addition, the stimulus image corresponding to the coordinates filled with the strongest color in Figure 8(c) is one in which more subjects find it brighter, and as the filled color becomes lighter, the number of subjects who find it brighter increases. Those who become less. Furthermore, even for a stimulus image comparable to coordinates filled with the lightest color, more than half (three) of the subjects found it bright. It can be seen from Figure 8(c) that the stimulus image (the stimulus image in (1a)) with a larger area of partial staining and the smallest color difference is one in which more subjects find it brighter. Specifically, compared to the case where the entire head area is lightly dyed with an area of about 26 to 34% and a thickness of about 12 to 18 mm (ΔE = 9.1 to 11.2), the experience is brighter. There are more.

Figure 8(d) shows the color difference (ΔE) and area ratio corresponding to the impression item: fashion. In the case of fashion, when the full head item: forest khaki and the partial dye item: hair color is fashionable blue and the hair style is straight and smooth for the whole head, higher relevant information is obtained, so the 4 different items in the combination are Experiments were conducted on three different color differences (ΔE) and the area of three locally dyed parts. The horizontal and vertical axes of Figure 8(d) are as illustrated in Figure 6 . In addition, the stimulus image corresponding to the coordinates filled with the darkest color in Figure 8(d) is one in which more subjects think it is fashionable, and as the filled color becomes lighter, the number of subjects who think it is fashionable increases. Those who become less. Furthermore, even for a stimulus image equivalent to coordinates filled with the lightest color, more than half (three) of the subjects found it fashionable. It can be seen from Figure 8(d) that the stimulus image with the second smallest color difference (the stimulus image in (2)) in which the area of partial staining is the standard area and has the second smallest color difference is the one in which more subjects feel fashionable. Specifically, compared to the case where the entire head area is dyed slightly densely (within the range of ΔE = 7.3 to 9.6) at an area of about 31 to 39% and a thickness of about 12 to 18 mm, the experience of feeling stylish is There are more.

In this way, the perception of a specific impression varies depending on the local dyeing area, the hair color of the whole head area, and the color difference (ΔE) of the local dyeing color, that is, the information related to the impression item varies depending on the above-mentioned area and color difference (ΔE). When the relevant information in Figure 8 is used, the first combination of area and color difference (a combination with small area (75%) and small color difference (light)) extracted by specifying a specific impression item (for example, femininity) ) is higher than the correlation between other impression items (for example, cute) and the first combination (the combination of thin (75%) and light) (filled with the second dense color in Figure 8(b)). The relevant information obtained from the experimental results of 1) can be flexibly used, for example, to propose partial dyeing items that match the impression items that the customer wants to present. The relevant details will be described below.

＜2) Information about full head items, partial dyeing items (hue difference (ΔH)) and impression items＞ Partial dyeing items include information on the color difference (ΔH) between the hair color of the entire head area and the partial dyeing color. The "hue difference (ΔH)" in this embodiment refers to the difference (difference) between the hue of the hair color of the entire head region and the hue of the partial dye color in the HSV color space. Information about the full head item, partial dyeing item (hue difference (ΔH)), and impression item is explained. The following shows the experimental content of 2).

Subjects: 5 women aged 20 to 29 years old Impression items: 4 items: femininity, cuteness, bright color, and fashion Stimulus images: Stimulus images of the combination shown in Figure 9 (96 images in total) The combination of stimulation images was performed in advance as shown in Figure 1. For each impression item, based on stimulation images above a specific standard, combinations of hair color, local dyeing color and coloring method were extracted for the entire head area, and the extracted The combination is obtained by conducting the experiment of 2). The experiment of 2) can also be carried out on the hair color, local dyeing color and coloring method of the whole head area shown in Figure 1. However, taking into account the experimental efficiency and the burden on the subject, it is better to use the same method as in Figure 1 The combination of stimulus images is determined by the tendency of each impression item that can be extracted from the experiment. Using this stimulus image, relevant information on the results of the experiment 2) using the card method shown in Figure 1 is shown in Figures 10(a) to 10(d). In addition, "a certain standard score or more" described in the description of FIGS. 10(a) to 10(d) is as follows. When the card method shown in Figure 1 was administered to one subject for each impression item, the scale width of the rightmost value and the leftmost value of the card placed by the subject was 40 degrees above Stimulus images within the range of % are counted as those who feel that the rating of the impression item reaches a specific reference score or above (positive evaluators). Specifically, when the impression item: femininity was in the situation, the first subject placed the card with the rightmost value being 93, and when the leftmost value was 5, relative to the scale width: 88 (93-5＝ 88), stimulation images in the upper 40% range: 58 to 93 (88 × 0.4 = 35) are counted as those whose femininity score reaches a specific reference score or above. Therefore, even if the subjects are the same person, the specific reference score for determining a positive evaluation may differ depending on the impression item, and the specific reference score for determining a positive evaluation may also differ depending on the subject.

Figure 10(a) shows the color difference (ΔH) between the hair color of the whole head area and the partial dye color that matches the impression item: femininity. The position marked with an arrow on the 0 to 360 scale is the hair color of the entire head area, royal noble brown, and cool pink hue. The horizontal axis of the coordinates drawn on the line graph represents the hue of the partial dye color, and the vertical axis represents the number of subjects who felt that the femininity score of the stimulating image of the hue of the partial dye color reached a specific benchmark score or above. In addition, the circled number 1 in each line graph indicates the color with the most subjects who rated their femininity above a certain standard score, and the circled number 2 indicates the color among the subjects who rated their femininity above a certain standard score. The second most common color. Furthermore, when the number of subjects who feel that their femininity score reaches a certain standard score or above is the same, the hue with a higher score will be ranked higher. The line drawing in the upper section shows the situation when the hair color of the entire head area is royal brown, and the line drawing in the lower section shows the situation when the hair color of the entire head area is cool pink. When the hair color of the entire head area is royal brown (hue: 27), among partial dye colors, hue: 350 is the highest, and hue: 69 is the second highest. In other words, the color difference (ΔH) between the hair color of the whole head area and the partial dye color is the highest: +323, and the color difference (ΔH): +42 is the second highest. In addition, it can be seen from the line diagram that when the hair color of the entire head area is not too different (ΔH) from the partial dye color, or when the color difference (ΔH) is between 60 and 260, even if partial dye is applied, the woman will feel more feminine. There are not many people who have experienced it. When the hair color of the entire head area is cool pink (hue: 357), among partial dye colors, hue: 290 is the highest, and hue: 11 is the second highest. In other words, the color difference (ΔH) between the hair color of the whole head area and the partial dye color is the highest: -67, and the color difference (ΔH): -346 is the second highest. Furthermore, it can be seen from the line diagram that when the color difference (ΔH) between the hair color of the entire head area and the partial dyeing color is between -132 and -327, even if partial dyeing is applied, not many subjects feel feminine. .

Figure 10(b) shows the color difference (ΔH) between the hair color of the whole head area and the partial dye color for the impression item: cute adaptation. The position marked with an arrow on the 0 to 360 scale is the hair color of the entire head area, royal noble brown, and cool pink hue. The horizontal axis of the coordinates drawn on the line graph represents the hue of the partial dye color, and the vertical axis represents the number of subjects who found the cuteness rating of the stimulus image of the hue of the partial dye color to be above a certain benchmark score. In addition, the circled number 1 in each line graph indicates the hue with the most subjects who rated cuteness above a certain standard score, and the circled number 2 indicates the color with the second highest number of subjects who rated cuteness above a certain standard score. Many colors. The line drawing in the upper section shows the situation when the hair color of the entire head area is royal brown, and the line drawing in the lower section shows the situation when the hair color of the entire head area is cool pink. When the hair color of the entire head area is royal brown (hue: 27), among partial dye colors, hue: 11 is the highest, and hue: 52 is the second highest. In other words, the color difference (ΔH) between the hair color of the whole head area and the partial dye color is the highest: -16, and the color difference (ΔH): 25 is the second highest. Furthermore, it can be seen from the line diagram that when the color difference (ΔH) between the hair color of the whole head area and the partial dye color is between 45 and 330, even if partial dye is applied, not many subjects find it cute. When the hair color of the entire head area is cool pink (hue: 357), among partial dye colors, hue: 325 is the highest, and hue: 17 is the second highest. In other words, the color difference (ΔH) between the hair color of the whole head area and the partial dye color is the highest: -32, and the color difference (ΔH): -340 is the second highest. Furthermore, it can be seen from the line diagram that when the color difference (ΔH) between the hair color of the whole head area and the partial dyeing color is between -75 and -327, even if partial dyeing is applied, not many subjects find it cute.

Figure 10(c) shows the color difference (ΔH) between the hair color of the whole head area and the partial dye color of the impression item: Bright Adaptation. The positions marked with arrows on the 0 to 360 scale are the hair color of the entire head area, royal brown, and forest khaki hues. The horizontal axis of the coordinates drawn on the line graph represents the hue of the local dyeing color, and the vertical axis represents the number of subjects who found that the brightness of the stimulus image of the hue of the local dyeing color reached a specific benchmark score or above. In addition, the circled number 1 in each line graph indicates the hue with the most subjects who rated it as bright or above a certain standard score, and the circled number 2 indicates the color with the second highest number of subjects who rated it as bright or above a certain standard score. Many colors. Furthermore, if there are the same number of subjects who feel that the brightness score reaches a certain standard score or above, the hue with a higher score will be ranked higher. The line drawing in the upper section shows the situation when the hair color of the entire head area is royal brown, and the line drawing in the lower section shows the situation when the hair color of the entire head area is forest khaki. When the hair color of the entire head area is royal brown (hue: 27), among partial dye colors, hue: 325 is the highest, and hue: 39 is the second highest. In other words, the color difference (ΔH) between the hair color of the whole head area and the partial dye color is the highest: 298, and the color difference (ΔH): 12 is the second highest. In addition, it can be seen from the line diagram that when the hair color of the entire head area is not too different (ΔH) from the partial dye color, or when the color difference (ΔH) is between 20 and 260, even if partial dye is applied, the hair will look brighter. There are not many people who have been tested. When the hair color of the whole head is forest khaki (hue: 42), among partial dye colors, hue: 325 is the highest, and hue: 52 is the second highest. In other words, the color difference (ΔH) between the hair color of the whole head area and the partial dye color is the highest: 283, and the color difference (ΔH): 10 is the second highest. In addition, it can be seen from the line diagram that when the hair color of the entire head area is not too different (ΔH) from the partial dyeing color, or when the color difference (ΔH) is between 30 and 180, even if partial dyeing is applied, the hair will look brighter. There are not many people who have been tested.

Figure 10(d) shows the color difference (ΔH) between the hair color of the whole head area and the partial dye color for the impression item: fashion adaptation. The positions marked with arrows on the 0 to 360 scale are the hair color of the entire head area, royal brown, and forest khaki hues. The horizontal axis of the coordinates drawn on the line graph represents the hue of the partial dye color, and the vertical axis represents the number of subjects who felt that the stimulating image fashion rating of the hue of the partial dye color reached a specific benchmark score or above. In addition, the circled number 1 in each line graph indicates the hue with the most subjects who rated fashion as above a certain standard score, and the circled number 2 indicates the color with the second highest number of subjects who rated fashion as above a certain benchmark. Many colors. Furthermore, if the number of subjects who feel that the fashion score reaches a certain standard score or above is the same, the hue with a higher score will be ranked higher. The line drawing in the upper section shows the situation when the hair color of the entire head area is royal brown, and the line drawing in the lower section shows the situation when the hair color of the entire head area is forest khaki. When the hair color of the entire head area is royal brown (hue: 27), among partial dye colors, hue: 2900 is the highest, and hue: 168 is the second highest. In other words, the color difference (ΔH) between the hair color of the whole head area and the partial dye color is the highest: 263, and the color difference (ΔH): 141 is the second highest. Furthermore, it can be seen from the line graph that when the hue difference (ΔH) is between -30 and 60, even if partial dyeing is applied, not many subjects feel fashionable. When the hair color of the entire head area is forest khaki (hue: 42), among partial dye colors, hue: 223 is the highest, and hue: 325 is the second highest. In other words, the color difference (ΔH) between the hair color of the whole head area and the partial dye color is the highest: 283, and the color difference (ΔH): 10 is the second highest. In addition, it can be seen from the line diagram that when the hair color of the entire head area is not too different (ΔH) from the partial dye color, or when the color difference (ΔH) is between -45 and 50, even if partial dye is applied, it will feel fashionable. There are not many people who have experienced it.

Here, based on the relationship between the hue difference (ΔH) and color matching shown in Figure 11, the color matching of hair color and partial dye color of the entire head area was studied. As shown in Figure 11, relative to a specific reference hue, color matching is classified according to the hue difference into "same hue", "adjacent hue", "similar hue", "intermediate hue", "control hue", and "adjacent complementary color" Either "Hue" or "Complementary Color Hue". In this embodiment, when the hair color of the entire head area is used as the base hue, the color difference (ΔH) between the hair color of the entire head area and the partial dye color is used to make the score for feeling a specific impression reach a specific base point or more. The results of partial dyeing colors that are more consistent with the color matching shown in Figure 11 are shown in Figure 12. The relevant information obtained from the experimental results can be flexibly used, for example, to propose partial dyeing items that match the impression the customer wants to present. The relevant details will be described below.

＜3) Information about the full head item, partial dyeing item (saturation difference (ΔS)) and impression item＞ Partial dyeing items include information on the chromaticity difference (ΔS) between the hair color of the entire head area and the partial dyeing color. The "chroma difference (ΔS)" in this embodiment refers to the difference (difference) in chroma between the hair color of the entire head area and the partial dye color in the HSV color space. It is the chroma difference (ΔS) between the hair color of the whole head area and the same partial dye color (the hue can be different from the hair color of the whole head). Describes information on the full head item, partial dyeing item (saturation difference (ΔS)), and impression item. The following shows the experimental content of 3).

Subjects: 5 women aged 20 to 29 years old Impression items: 4 items: femininity, cuteness, bright color, and fashion Stimulus images: Stimulus images of the combination shown in Figure 13 (96 images in total) The combination of stimulation images was performed in advance as shown in Figure 1. For each impression item, based on stimulation images above a specific standard, combinations of hair color, local dyeing color and coloring method were extracted for the entire head area, and the extracted The combination is obtained by conducting the experiment of 3). The experiment of 2) can also be carried out on the hair color, local dyeing color and coloring method of the whole head area shown in Figure 1. However, taking into account the experimental efficiency and the burden on the subject, it is better to use the same method as in Figure 1 The combination of stimulus images is determined by the tendency of each impression item that can be extracted from the experiment. Using this stimulus image, relevant information on the results of the experiment 3) using the card method shown in Figure 1 is displayed in Figures 14(a) to 14(d).

Figure 14(a) shows the chroma difference (ΔS) between the hair color of the whole head area and the partial dye color for the impression item: femininity. The upper paragraph shows the case where the hair color of the entire head area is royal brown. For each of the 11, 39, 69, and 223 partial dye colors, the chroma difference (ΔS) from the hair color of the entire head area is used. The results obtained from the stimulation images of 3, 8, and 13. The lower part shows the case where the hair color of the entire head area is cool pink. Compared with the local dyeing colors of 11, 39, 69, and 223, respectively, using The chroma difference (ΔS) of the hair color in the whole head area is the result obtained from the stimulation images of 7, 12, and 17. The positions marked with arrows on the 0 to 360 scale in Figure 14(a) represent the hue of hair color in the entire head region and the hue of the stimulus image in the experiment of 3). When the hair color of the whole head area is royal and noble brown, the subjects of the partial dye color 11 and 69 color series feel that the hair color of the whole head area is close to the hue of the partial dye color (the hair color of the whole head area is the same as the partial dye color). There is a color homogeneity relationship between the hues of partial dyed hair colors). In addition, when the hue of the hair color of the whole head area is cool pink, the subject of the 11 color series of partial dyeing color feels that the hair color of the whole head area is close to the hue of the partial dyeing color (the hair color of the whole head area and the local dyeing color are The hue of dyed hair color has a color homogeneity relationship). It can be seen from the experimental results in Figure 14(a) that when a partial dye color that has a color-identical relationship with the hair color of the entire head area is selected from partial dye colors that match the impression of femininity, the same hue will Those with smaller chromaticity differences (ΔS) make subjects feel more feminine.

Figure 14(b) shows the chroma difference (ΔS) between the hair color of the whole head area and the partial dye color for the impression item: Cute Adaptation. The upper paragraph shows the case where the hair color of the entire head area is royal brown. For each of the 11, 39, 69, and 223 partial dye colors, the chroma difference (ΔS) from the hair color of the entire head area is used. The results obtained from the stimulation images of 3, 8, and 13. The lower part shows the case where the hair color of the entire head area is cool pink. Compared with the local dyeing colors of 11, 39, 69, and 223, respectively, using The chroma difference (ΔS) of the hair color in the whole head area is the result obtained from the stimulation images of 7, 12, and 17. The positions marked with arrows on the 0 to 360 scale in Figure 14(b) represent the hue of hair color in the entire head region and the hue of the stimulus image in the experiment of 3). When the hair color of the whole head area is royal and noble brown, the subjects of the partial dye color 11 and 39 color series feel that the hair color of the whole head area is close to the hue of the partial dye color (the hair color of the whole head area is the same as the partial dye color). There is a color homogeneity relationship between the hues of partial dyed hair colors). In addition, when the hue of the hair color of the whole head area is cool pink, the subject of the 11 color series of partial dyeing color feels that the hair color of the whole head area is close to the hue of the partial dyeing color (the hair color of the whole head area and the local dyeing color are The hue of dyed hair color has a color homogeneity relationship). It can be seen from the experimental results in Figure 14(b) that when a partial dye color whose hue has a color-identical relationship with the hair color of the entire head area is selected from the partial dye colors that match the cute impression, and the same hue is applied, Those with smaller chromaticity differences (ΔS) make subjects feel more cute.

Figure 14(c) shows the chroma difference (ΔS) between the hair color of the whole head area and the partial color of the impression item: brightly adapted. The upper paragraph shows the case where the hair color of the entire head area is royal brown. For each of the 11, 39, 69, and 223 partial dye colors, the chroma difference (ΔS) from the hair color of the entire head area is used. The results are obtained for the stimulation images of 3, 8, and 13. The lower part shows the case where the hair color of the entire head area is forest khaki, and the local dyeing colors of 11, 39, 69, and 223 are used respectively. Results obtained from stimulation images where the chroma difference (ΔS) from the hair color of the entire head area is 6, 11, and 16. The positions marked with arrows on the 0 to 360 scale in Figure 14(c) represent the hue of hair color in the entire head region and the hue of the stimulus image in the experiment of 3). When the hair color of the whole head area is royal brown, the subjects of the 39 color series of partial dyeing colors feel that the hair color of the whole head area is close to the hue of the partial dyeing color (hair color of the whole head area and partial dyeing There is a color homogeneity relationship between the hues of hair color). Subjects of the 223 color system of partial dyeing colors feel that the hair color of the whole head area is brighter or darker than that without partial dyeing (the hair color of the whole head area is There is a chroma contrast relationship between the color and the hue of the partially dyed hair color). In addition, when the hair color of the whole head area is forest khaki, the subjects of the partial dye color 39 and 223 color series feel that the hair color of the whole head area is close to the partial dye color (the hair color of the whole head area is similar to the partial dye color). The hue of partial dyed hair color has a hue homogeneous relationship). It can be seen from the experimental results in Figure 14(c) that when a partial dye color whose hue has a color-identical relationship with the hair color of the entire head area is selected from the partial dye colors that are suitable for the bright impression, and the same hue is applied, The one with smaller chromaticity difference (ΔS) makes the subject feel brighter. In addition, when applying a local dyeing color that has a chroma contrast relationship with the hair color of the entire head area, the one with a larger chroma difference (ΔS) in the same hue will make the subject feel brighter.

Figure 14(d) shows the chroma difference (ΔS) between the overall hair color and partial dye color for the impression item: fashion adaptation. The above paragraph shows the case where the hair color of the whole head is royal brown. For each of the partial dye colors of 11, 39, 69, and 223, the chroma difference (ΔS) with the hair color of the whole head is 3. , 8, and 13 stimulation images. The lower part shows the situation when the hair color of the whole head is forest khaki. Compared with the local dyeing colors of 11, 39, 69, and 223, the whole head is used respectively. The chroma difference (ΔS) of the hair color is the result obtained from the stimulation images of 6, 11, and 16. The positions marked with arrows on the 0 to 360 scale in Figure 14(d) represent the hue of hair color in the entire head region and the hue of the stimulus image in the experiment of 3). When the hair color of the whole head area is royal brown, the subjects of the 223 color series of the partial dyeing color feel that the hair color of the whole head area is brighter or darker than that without partial dyeing (full color) There is a chroma contrast relationship between the hair color of the head area and the hue of the partially dyed hair color). In addition, when the hue of the hair color of the whole head area is forest khaki, the subjects of the partial dye color 69 and 223 color series feel that the hair color of the whole head area is close to the hue of the partial dye color (the hair color of the whole head area There is a color homogenization relationship between the color and the hue of partially dyed hair color). Subjects of the 11 color series of partial dyed hair felt that the hair color of the whole head area was brighter or darker than that without partial dyeing (full color) There is a chroma contrast relationship between the hair color of the head area and the hue of the partially dyed hair color). It can be seen from the experimental results in Figure 14(d) that when a partial dye color whose hue has a color-identical relationship with the hair color of the entire head area is selected from the partial dye colors that match the fashionable impression, the same hue will The one with smaller chromaticity difference (ΔS) makes the subject feel more fashionable. In addition, when applying a partial dye color that has a chroma contrast relationship with the hair color of the entire head area, the one with a larger chroma difference (ΔS) in the same hue will make the subject feel more fashionable.

In this way, the perception of a specific impression varies depending on the chroma difference (ΔS) between the hair color of the entire head area and the local dye color, that is, the information related to the impression item varies depending on the chroma difference (ΔS). The relevant information obtained from the experimental results in 3) can be flexibly used, for example, to propose partial dyeing items that match the impression items that the customer wants to present. The relevant details will be described below.

＜Extraction device for hair color related information＞ The hair color related information extraction device 50 that performs the hair color related information extraction method described above will be described. FIG. 15 shows a conceptual diagram of the hair color related information extraction device 50 . The hair color related information extraction device 50 (hereinafter also referred to as this device) may be a mobile phone, a tablet terminal, a PDA (Personal Digital Assistant), a mobile personal computer or a wearable device generally called a portable terminal. , personal computers, etc. any one. The hair color-related information extraction device 50 includes a memory unit 51 as a memory unit, a designation unit 52 as a designation unit, an extraction unit 53 as an extraction unit, an acquisition unit 54 as an acquisition unit, a calculation unit 55 as a calculation unit, and a calculation unit 55 as a calculation unit. The display part 56 of the display element. In addition, although not shown in the figure, it is equipped with a keyboard (including a touch keyboard), an input device such as a pointing device, and an arithmetic processing device.

The memory unit 51 is a component that memorizes relevant information (hereinafter, also referred to as relevant information) indicating the correlation between the impression type information and the local coloring information. The above impression type information is the type of impression related to the appearance of the human face including hair. The above-mentioned partial dyeing information is determined by the impression classification and is related to the hair color of the above-mentioned hair and is related to the partial dyeing. Memory contains various related information including the related information obtained through the above experiments. Furthermore, it is a component of the application program that also memorizes and executes the above-mentioned extraction method of hair color-related information. The specifying part 52 is an element that allows the user to specify one of the impression type information or the above-mentioned partial coloring information. Input devices such as keyboards (including touch keyboards) and pointing devices provided in the portable terminal 50 fall into this category. The extraction unit 53 extracts components of the other based on the relevant information and one of the impression type information or the local coloring information specified by the specified component. The arithmetic processing device provided in the portable terminal 50 falls into this category. The acquisition unit 54 is a component that acquires a face image of a person including hair (a face image of a subject including hair). The function of acquiring an image captured by a component other than the portable terminal 50 and the camera included in the portable terminal 50 fall into this category. The calculation unit 55 analyzes the acquired facial image and calculates the hair color of the entire head region and the hair color of the partially dyed portion. The arithmetic processing device provided in the portable terminal 50 falls into this category, and performs calculations by performing image analysis. The display unit 56 is a component that displays a facial image obtained by obtaining a component, displays an output of an extraction result obtained by extracting a component, and the like, and is an output component that outputs an extraction result obtained by extracting a component. The display device provided in the portable terminal 50 falls into this category.

Next, a usage example of the device 50 for extracting hair color-related information of the user is shown. Furthermore, the usage examples shown below are only one example, and the usage examples shown below can also be used in combination, as long as the usage method meets the user's needs.

＜Usage example 1＞ Specify an impression item and extract a color matching the specified impression item. For example, the user wishes to present an impression of "femininity", so the user uses a specific input device to designate "femininity" as the impression item. The hair color related information extraction device 50 extracts a partial dye color that has a strong correlation with femininity (for example, pearl rose red) based on the memorized related information, and displays the extraction result on the display unit 56 . In addition, the hair color related information extraction device 50 extracts not only the partial dye color, but also the hair color of the entire head region that is strongly related to femininity (for example, royal noble brown), and displays the extraction result on the display unit 56 . Furthermore, the hair color-related information extraction device 50 extracts whether it is better to have a light partial dye color or a thick partial dye color, and how much area is best to be dyed with the partial dye color relative to the entire head area. The extraction result is displayed on the display unit 56 . The user can specify "femininity", and the hair color-related information extraction device 50 can extract all of it and display it. For example, the user can also confirm the extracted partial dye color and then want to confirm the entire head area. In the case of hair color, the user uses a specific input device to designate all head items, and the hair color-related information extraction device 50 performs the designation in stages to extract the specific items and displays the extraction results. In addition, the device 50 for extracting color development-related information preferably displays an image of the extracted color applied on the display unit 56 so that the user can concretely understand the situation after applying according to the extraction result. This allows users to master the local dyeing color that matches the impression they want to create before actually purchasing or applying hair dye, thereby realizing hair dyeing that is close to their imagination. Also, in beauty salons, etc., the stylist can recommend the appropriate dye color to meet the customer's wishes.

＜Usage example 2＞ Specify the partial dyeing item, and extract the impression items brought by the specified partial dyeing item. For example, the user is using or has used "Flash Gold" as a partial dye color, so a specific input device is used to specify "Flash Gold" as a partial item. The hair color related information extraction device 50 extracts impression items (for example, cute) that are strongly related to glitter gold based on the memorized related information, and displays the extraction results on the display unit 56 . Furthermore, if the user further specifies the hair color of the entire head area together with the local dye color, the impression item with a strong correlation with the two items is extracted, and the extraction result is displayed on the display unit 56 . In this way, the user can understand what kind of impression the dyed hair of his or her favorite color will give to others, and can flexibly choose clothing that matches the impression. In addition, in beauty salons, etc., stylists can provide appropriate suggestions, such as what kind of impression the customer can achieve by hair dyeing.

＜Usage example 3＞ Specify the impression items, partial dye color and hair color of the entire head area, and extract partial dye items, such as how to dye the partial dye color. For example, if the user uses "cool pink" as the hair color for the entire head area and "glitter gold" as the partial hair color, and wants to give a "cute" impression, he or she uses a specific input device to specify "cool pink", " Glitter gold" and "cute". The hair color related information extraction device 50 extracts the glitter gold coloring method (area, concentration) as a partial dye color based on the memorized related information. Furthermore, the device 50 for extracting hair color-related information is preferably not only to display the area stained with the partial dye color in numerical form, but also to display a specific simulation image on the display unit 56 and to also display specific details such as the recommended coating method. How to use it. In this way, users can master how to dye glitter gold as a partial dye color to create a more lovely impression, and can effectively use partial dye colors.

＜Usage Example 4＞ Specify the impression item and the hair color of the entire head area, and extract the local dyeing item (range of hair color). For example, when the user's current hair color for the entire head area is cool pink and he wishes to perform partial dyeing to give a "cute" impression, the user uses a specific input device to specify "cool pink" and "cute". In usage example 4, the relevant information in Figure 12 is used to extract local dyeing items. Therefore, instead of extracting specific colors as in the usage example 1, we extract the hue range of local dyeing colors that are strongly related to "cool pink" and "cute". Hair colors that have a similar or adjacent hue color relationship to the hair color of the entire head area are extracted as partial dye colors that can give a "cute" impression when the hair color of the entire head area is cool pink. By doing this, even when a beauty salon recommends spot dyeing colors from among the ever-changing colors, it is possible to appropriately provide suggestions for the impression the customer wants to create.

Regarding the relevant information stored in the device 50 for extracting hair color-related information, only relevant information with a strong correlation, for example, relevant information with a score above a specific standard, may be stored in the memory unit 51, or all relevant information may be stored regardless of the score. All relevant information calculated is memorized. If it is the former, when extracting the full head item or partial dyeing item that matches the user's desired impression item, or extracts the impression item that matches the full head item or partial dyeing item, the comparison based on the correlation will not be extracted. The result is based on weak relevant information, so there is no need to remember relevant information that is less likely to be used.

When there is no item with a strong correlation with the designated item, or when there is no item with a score above a specific standard, the hair color related information extraction device 50 may also extract "no matching item" as the extraction result. . In this way, even if the user freely specifies items, appropriate results can be extracted.

FIG. 16 shows an example of schematic display on the display unit 56 provided in the portable terminal 50 . In FIG. 16(1) , the face image of the subject acquired by the acquisition unit 54 is displayed on the display unit 56 . The facial image can be captured using the camera (acquisition unit 54 ) provided in the portable terminal 50 , or an image captured by another device can be obtained through the acquisition unit 54 . Here, RB, CP, FK, and BK displayed under the subject's facial image refer to the hair color of the subject's entire head area. The subject can specify (report) the hair color of the entire head area, or the calculation unit 55 can specify the hair color of the entire head area calculated based on the subject's facial image. Furthermore, when an impression item (not shown) that you wish to present is designated, the display unit 56 displays the extraction result as shown in (2). (2) The RP, OK, MB, SG, and NB displayed under the face image of the subject refer to the local dye color. In this example, the highlight display of the SG part indicates that the local dye color has been extracted. SG as the extraction result. Also, it also shows how to apply local dyeing colors to be effective. Furthermore, the subject's facial image is dyed with SG as a local color using the recommended coloring method, and this is displayed on the display unit 56 . In this way, the subject can grasp the partial dye color that is suitable for the subject's current hair color of the entire head area and the desired impression, and a simulated image of the state after dyeing the partial dye color will be displayed, so using It is easy for readers to have a concrete understanding of this.

In FIG. 16(3) , the face image of the subject acquired by the acquisition unit 54 is displayed on the display unit 56 . The facial image can be captured using the camera (obtaining unit 54 ) provided in the portable terminal 50 , or an image captured by another device can be acquired through the acquiring unit 54 . Here, RP, OK, MB, SG, and NB displayed under the subject's face image refer to local dyeing colors. In this example, the highlight display of the SG part indicates that the subject has designated SG. As a spot dye color. Furthermore, when an impression item (not shown) that you wish to present is designated, the display unit 56 displays the extraction result as shown in (4). (4) The RB, CP, FK, and BK displayed under the face image of the subject refer to the extracted hair color of the entire head area. In this case, the extracted color is indicated by the highlight display of the RB part. RB. Also, it also shows how to apply local dyeing colors to be effective. Furthermore, the subject's facial image is dyed with SG as the designated local dyeing color using the recommended coloring method, and an image obtained by simulating the hair color of the entire head region according to the extraction result is displayed on the display unit 56 . In this way, the subject can grasp the hair color of the entire head area that matches the partial dye color the subject wishes to use and the impression item he wishes to present, and the simulated image based on the extraction result is displayed, so the user can easily understand the hair color. This has some concrete understanding.

＜Application for extracting hair color related information＞ An application program (hereinafter, also referred to as this program) for causing the portable terminal 50 to execute the above-mentioned extraction method of hair color-related information is installed in the portable terminal 50 . In this embodiment, the application is an application software for extracting hair color related information. This program includes designated processing and extraction processing. The specified processing is processing that specifies one of the impression category information or the local coloring information. Processing for accepting content specified by the user using the input device provided in the portable terminal 50 . The extraction process is based on the relevant information indicating the correlation between the impression type information and the local coloring information stored in the portable terminal 50 and one specified by the designation process (either the impression type information or the local coloring information), A process of extracting the other (unspecified one of the impression category information or the partial coloring information). The above impression category information is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to. The above partial coloring information The information is about the hair color mentioned above and is related to partial dyeing. In addition, it is preferable to further include acquisition processing, calculation processing, and display processing in this program. The acquisition process is a process of acquiring a face image of a person including hair (a face image of a subject including hair). There are no restrictions on the sources of moving images, such as from specific media, from the Internet, from photography devices, etc. The calculation process is a process of performing image analysis on the acquired facial image to calculate the hair color of the entire head or the partial color of the hair. The display processing is a process of causing the display device provided in the portable terminal 50 to display the acquired facial image, or to display items accepted by the designated processing or results extracted by the extraction processing. This program includes a program for causing the portable terminal 50 to extract hair color-related information as shown in the above use example.

The application for causing the portable terminal 50 to execute the above-mentioned extraction method of hair color-related information is not limited to the above, and may also be the following. The portable terminal 50 stores relevant information indicating the correlation between the impression type information, the partial dyeing information and the whole hair color information. The above impression type information is obtained by determining which impression classification the impression related to the appearance of the human face including hair belongs to. , the above-mentioned partial dyeing information is about the hair color of the hair and is related to the partial dyeing, and the above-mentioned whole hair color information is about the hair color of the whole head area of the hair. The designated treatment is one of designated impression category information, partial dyeing information, and whole hair color information. The extraction process is based on the relevant information and one specified by the designation process (any one of the impression category information, partial coloring information, and full hair color information), and the remaining two (impression category information, partial coloring information, and full hair color information) are extracted. A combination of the two) in the hair color information that are not specified by the specified processing. Furthermore, like the above-mentioned application, it is preferable to further include acquisition processing, calculation processing, and display processing. Also, it can also be the following. The portable terminal 50 stores relevant information indicating the correlation between the impression type information, the partial dyeing information and the whole hair color information. The above impression type information is obtained by determining which impression classification the impression related to the appearance of the human face including hair belongs to. , the above-mentioned partial dyeing information is about the hair color of the hair and is related to the partial dyeing, and the above-mentioned whole hair color information is about the hair color of the whole head area of the hair. The specified treatment is two of the specified impression category information, partial dyeing information, and whole hair color information. The extraction process is based on the relevant information and two specified by the designation process (two of the impression category information, partial coloring information, and whole hair color information), and extracts the remaining one (impression category information, partial coloring information, and whole hair color information). The remaining one of the color information that has not been specified by the specified processing). Furthermore, like the above-mentioned application, it is preferable to further include acquisition processing, calculation processing, and display processing. In addition, this program can also set: related information selection processing, which determines which related information to use (related information indicating the correlation between impression category information and partial dyeing information, and indicating impression category information, partial dyeing information and whole hair color information). Which one of the relevant information of the relevant relationship is selected); and the extraction result selection process, which is to select which extraction content to use (whether to specify one and extract the combination of the remaining two, or to specify both and extract the remaining one) ) to make a selection. In this way, the information required by the user can be extracted according to the situation.

＜Example of changes＞ In this embodiment, the "impression item" of this embodiment is based on the impression four-quadrant diagram formed by three axes shown in FIG. 3 , but it is not limited thereto. For example, an impression (latent image word) placed on a coordinate plane having the first axis and the second axis shown in Figure 3 can also be used as the impression item. The first axis is in the warm area and the cold area that have the impression of warmth. The cold area of the impression, the above-mentioned second axis is between the soft area with the impression of softness and the hard area with the impression of hardness.

In this embodiment, four items of "femininity", "cuteness", "brightness" and "fashion" are used as the impression items, but it is not limited to these. For example, it may also be other latent image words classified within the four-quadrant diagram shown in Figure 3 . Furthermore, instead of using a specific latent image word as an impression item, an item representing one quadrant of the four-quadrant diagram shown in Figure 3 may be used, such as "an impression item that is a cold impression and a soft impression". In this way, a broad concept of impression items can be obtained.

The relevant information shown in Figure 12 also has the following relationship. In the case of an impression item with a cold impression and a soft impression, the partial dyeing item is extracted in such a way that the hair color of the entire head area and the hair color of the partial dyeing become a mid-range color matching, an adjacent color color matching, or a similar color color matching. When the whole head item is an impression item with a warm impression and a soft impression, the partial dyeing item is extracted in such a way that the hair color of the whole head area and the hair color of the partial dyeing become a similar hue color matching or an adjacent hue color matching. And when the whole head item has a cold impression and a hard impression, the hair color of the whole head area and the hair color of the partial dyeing should be a complementary hue color combination, an intermediate hue color combination or a contrasting hue color combination. The method is to extract the partial dyeing items and the whole head items, when the impression items are the warm impression and the hard impression, so that the hair color of the whole head area and the partial dyeing hair color become a mid-range color matching or an adjacent hue. The color matching method extracts partial dyeing items and full head items. Furthermore, in addition to extracting the hue that takes into account the color of the hair color of the entire head area and the color of the partially dyed hair, the color difference (ΔE) and area shown in Figure 8 can also be extracted.

The relevant information shown in Figure 12 also has the following relationship. There is no strong correlation between the hue of the hair color of the entire head area and the local dyeing color of the same hue under any impression item. Therefore, when specifying full head items and partial dyeing items, you can also make it impossible to specify the same hue combination in advance.

The relevant information shown in Figure 8 also has the following relationship. 1) The combination of area and color difference (combination A) extracted by specifying an impression item that is a cold impression and a soft impression is one with a small area and a small color difference, 2) by specifying a warm impression and being soft. The combination of area and color difference (combination B) extracted from the impression item of the impression is larger in area than combination A and the color difference is roughly the same as combination A. 3) It is obtained by specifying the impression item as a warm impression and a hard impression. The extracted combination of area and color difference (combination C) is one whose area is larger than that of combination B and whose color difference is roughly the same as that of combination A and combination B. 4) It is extracted by specifying the impression item as a cold impression and a hard impression. The combination of area and color difference (combination D) is one whose area is roughly the same as that of combination B and whose color difference is greater than the color differences of combinations A, B and C. When the impression item is designated as a cold impression and a soft impression, the local dyeing area and color difference extracted are the smallest area and smallest color difference relative to the whole head area among the four impression items, so it is the closest to the whole head area. combination. Therefore, when performing partial dyeing, the coloring method is the least conspicuous and low-key among the four impression items. In addition, when specifying an impression item including a hard impression, a warm impression and a hard impression, and a cold impression and a hard impression item, the local dyeing area and color difference extracted will be extracted and exist in the entire head area. The difference is that it is easy to see the coloring method after partial dyeing. In this way, the combination of local staining area and color difference that has a strong correlation differs depending on the impression item.

The relevant information shown in Figure 14 also has the following relationship. When it is a cold impression and it is an impression item of a soft impression, when it is a warm impression and it is an impression item of a soft impression, when it is a cold impression and it is an impression item of a hard impression, and In the case of an impression item with a warm impression and a hard impression, when the hair color of the entire head area and the hue of the partially dyed hair color are the same, the value with the smaller chroma difference is extracted and is cold. When the impression is an impression item of a hard impression, and when the impression is a warm impression and is an impression item of a hard impression, the hue of the hair color of the whole head area and the hair color of the partial dyeing occur. When comparing chroma, extract the value with the larger chroma difference. Here, "the hair color of the whole head area and the hue of the partially dyed hair color are the same" means that the subject feels that the hair color of the whole head area is close to the color of the local dyeing. "The hue contrast between the hair color of the whole head area and the hair color of the partial dyeing" refers to the relationship between the subject's perception that the hair color of the whole head area is brighter or darker than that without partial dyeing. Also, when the hair color of the whole head area and the color of the partially dyed hair color are the same, it is a situation where the impression item is a cold impression and a soft impression, and when it is a warm impression and a soft impression. When the impression item is a cold impression and a hard impression, and when the impression item is a warm impression and a hard impression, the chroma difference is a smaller value. The possibility of getting a specific impression is higher, so when the impression item is a cold impression and a soft impression, and when the impression item is a warm impression and a soft impression, the one with a smaller chroma difference is extracted. Better value. Furthermore, in addition to extracting the chroma difference between the hair color of the entire head area and the local dyeing, the color difference (ΔE) and area shown in Figure 8 can also be extracted.

In the present embodiment, in use example 4, when the relevant information shown in FIG. 12 is used, regarding the hair color of the whole head area, a predetermined hair color is designated as the whole head item, but it is not limited to this. For example, by specifying the hue and impression items of the hair color of the entire head area, the hue range of the partial dye color having the correlation shown in Figure 12 can be extracted with respect to the hue of the hair color of the entire head area. . In this way, it can cope with various hair colors of the entire head area.

The hair color related information extraction device 50 stores in the memory unit 51 related information indicating the correlation between the impression type information and the local coloring information. The above impression type information is what kind of impression the impression related to the appearance of the human face including hair belongs to. Based on classification and determination, the above local dyeing information is related to the hair color of the hair and is related to local dyeing, but is not limited to this. For example, the memory unit 51 stores relevant information indicating the correlation between the impression type information, the local coloring information and the whole hair color information. The above impression type information is used to determine which impression category the impression related to the appearance of the human face including hair belongs to. As a result, the above-mentioned partial dyeing information is about the hair color of the hair and is related to the partial dyeing, and the above-mentioned whole-hair color information is about the hair color of the whole head area of the hair. The user uses the designation part 52 to designate one of the impression type information, partial coloring information, and whole hair color information. The extraction part 53 extracts the remaining two combinations. The combination of the remaining two is output to a display device as an extraction result, for example. You may also have a selection element (selection part (not shown)) that allows the user to select any one of the remaining two combinations that are output. Input devices such as a keyboard (including a touch keyboard) and a pointing device provided in the portable terminal 50 belong to the selection unit. Using the hair color related information extraction device 50, the following processing can be performed. In this embodiment, in use example 1, by specifying one of the impression category information, partial dyeing information, or whole hair color information (specifying the impression item "femininity"), a combination of the remaining two (for example, partial color information) is extracted. The dyeing color "Pearl Rose Red" and the hair color of the whole head area "Royal Noble Brown"), and as partial dyeing information, in addition to the partial dyeing color, the coloring method of the partial dyeing color is also extracted (for example, light coloring/ thick coloring, coloring area, etc.), and the extraction result is displayed on the display unit 56 as an output element. In addition, a selection element may be provided, which allows the user to select which combination to select based on the displayed content. For example, a check box is displayed for the combination of the extracted results displayed on the display unit 56, and the desired combination can be selected through the selection unit. Based on the selected combination, the extraction device 50 of hair color related information can display the image of the extracted color applied on the display portion 56 so that the user can have a concrete understanding of the situation after application.

In this embodiment, the extraction result is displayed on the display unit 56 as an output element, but the invention is not limited to this. For example, the extraction result can also be output to a paper medium. The paper medium and a printer that prints on the paper medium are output elements in this case.

In this embodiment, the extracted item is an item with a strong correlation, but it is not limited to this. When a plurality of items with a specific standard score or above are extracted, a plurality of items can also be extracted. In this case, the scoring order can also be drawn. For example, when the impression item and the head item are specified (two items are specified) and the partial dyeing item is extracted (one item is extracted), if a plurality of items with a specific standard score or more are extracted for the extracted partial dyeing item, The scoring order (including information indicating the relative strength) can also be extracted at the same time.

In this embodiment, the L ^* a ^* b ^* color space and the HSV color space are used to describe the hair color of the entire head area and the hair color of partial dyeing, but the invention is not limited thereto. Other color spaces (eg, Munsell color system) may also be used.

In this embodiment, the local dyeing color is a single color, but it is not limited to this and may also be a multiple color. In addition, the texture of the hair in the entire head area and the area where local dyeing is applied can also be different. For example, the entire head area can be covered with hair, and the area where partial coloring is applied resembles the hair.

In this embodiment, the case where hair is provided on the entire head area has been described, but the invention is not limited to this. For example, the partial wig shown in Figure 17(a), Figure 17(b) and Figure 17(c) will be described below. Figure 17(a) is a diagram showing a front part wig, for example, a wig used with a hat. The front part wig shown in Figure 17(a) is used as the whole head area, and a part of the front part wig is partially dyed. The front part of the wig is formed like a hair tie and can be separated from the hat or worn on the hat. Fig. 17(b) is a diagram showing the tip part of a wig, for example, a wig used together with a hat. The tip portion of the wig shown in Figure 17(b) is used as the entire head area, and a portion of the tip portion of the wig is partially dyed. The hair tip part of the wig can be separated from the hat or worn on the hat. Figure 17(c) is a diagram showing the tip part of the wig used in a hairstyle such as a ponytail. It is a tip part wig worn in a hairstyle formed by bundling the hair. The hairstyle formed by bundling the hair and the wig with the tip part shown in Figure 17(c) are used as the whole head area, and the wig with the tip part shown in Figure 17(c) is partially dyed. Furthermore, as shown in Figures 17(a) to 17(c), items other than hair, such as hats or hair accessories, can also be worn on part of the head.

In addition, some of the wigs shown in Figure 17(a) to Figure 17(c) can also be used in combination as follows. Furthermore, when combining partial wigs, the color of each partial wig before partial dyeing must be the same color or the same color series. 1) Use the front part wig in Figure 17(a) and the tip part wig in Figure 17(b) together (use them simultaneously). In this case, use the front part of the wig in Figure 17(a) and the tip part of the wig in Figure 17(b) as the whole head area, partially dye a part of the front part of the wig in Figure 17(a), and use the wig in Figure 17(b) ) of the hair tip part of the wig, or partially dye the front part of the wig in Figure 17(a) and the part of the hair tip part of the wig in Figure 17(b). 2) Use the front part wig in Figure 17(a) and the tip part wig in Figure 17(c) together (use them simultaneously). In this case, the front part of the wig in Figure 17(a) and the hairstyle formed by bundling the hair in Figure 17(b) are used as the whole head area, and a part of the front part of the wig in Figure 17(a) is partially dyed. Partially dye part of the hair tip part of the wig in Figure 17(c), or part of the front part of the wig in Figure 17(a) and part of the hair tip part of the wig in Figure 17(c). 3) Use the wig with the tip part in Figure 17(b) in combination with the wig with the tip part in Figure 17(b) (use it simultaneously). In this case, using the tip part wig in Figure 17(b) and the tip part wig in Figure 17(b) as the whole head area, one of the plurality of tip part wigs in Figure 17(b) will be used. Partial dyeing of one or all wigs.

In addition, some of the wigs in the above combination can also be partially dyed as shown below. a) Make the local dyeing color a solid color in the wig. b) Make the local dyeing color recolor inside the wig. The combinations of some of the above combinations of wigs 1) to 3) and local dyeing colors a) and b) are shown in Table 1.

[Table 1] Figure 17(a) Figure 17(b) Figure 17(c) Figure 17(a) and Figure 17(b) Figure 17(a) and Figure 17(c) Figure 17(b) and Figure 17(b) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) Figure 17(a) Monochrome Figure 17(a) Complex color Figure 17(b) Monochrome Figure 17(b) Complex color Figure 17(c) Monochrome Figure 17(c) Complex color

For example, the case (1) in Table 1 is a style when the front part of the wig shown in Figure 17(a) is dyed with a single color. The case (9) shows the style of the front part shown in Figure 17(a). The hair part of the wig is dyed with a double-color partial dye, and the tip part of the wig shown in Figure 17(b) is dyed with a single-color partial dye. This is the style when using these two wigs. In the case of any combination shown in Table 1, this method can be used to use the relevant information indicating the correlation between the impression item, the partial dyeing item and the full head item, and by specifying a part of the item, the specified item can be extracted Different items. In this way, even partial wigs can achieve the same effects as above.

＜Wig set＞ Next, a wig set consisting of the above-mentioned partial wig and a hair dye applied (dyed) to the partial wig will be described. The wig set includes: partial wig, hair dye, and related information indicating the relationship between the above-mentioned impression items, partial dye items and full head items. The hair dye included in the wig set refers to the color of the part of the wig included in the wig set and/or the hair that can be seen when the part of the wig is worn on the head as a full-head item, and is specific to the full-head item. A single hair dye or multiple hair dyes that have a strong correlation with the impression items. When multiple hair dyes are included, the user can apply a hair dye that is more closely related to the impression item they want to present based on the relevant information contained in the wig set. The relevant information includes information indicating at least one hair dye that has a strong correlation with the impression item that the user wishes to present, information indicating the correlation strength (information indicating the relationship between the correlation strength and the hair dye), and the application method (time, area, etc.). The relationship between correlation intensity and hair dye is information that links the hair dye included in the wig set with correlation intensity. For example, when the impression item is set to femininity and the hair color of the entire head area is set to royal noble brown, the correlation intensity The hair dye with the highest correlation strength is A, and the hair dye with the second highest correlation strength is B. When the impression item is set to bright and the hair color of the entire head area is set to royal noble brown, the hair dye with the highest correlation strength is C. The hair dye with the second highest correlation strength is A. In addition, the method of providing is not limited. For example, the relevant information is recorded (printed) on paper media and provided, the relevant information is recorded on electronic media and provided, and the relevant information is provided using a QR code (users can scan the QR code to access and browse Related information WEB site), etc. Specific examples include instructions for use contained in the package together with the hair dye, or printed matter on the cover of the package containing the hair dye. In this way, the user can wear a wig that can achieve the impression they want to create, and by changing the partial dye color, the impression they want to create can be changed even with the same part of the wig, so the user can also enjoy the fun of using partial wigs. Enhance.

＜Hair dye set＞ The hair dye set includes: related information, which represents the correlation between the impression category information and the partial dyeing information. The above impression category information is obtained by determining which impression classification the impression related to the appearance of the human face including hair belongs to; the above partial dyeing information The information is about the hair color of the hair and is related to local dyeing; and the hair dye is used to apply the hair color of the hair based on the relevant information. As mentioned above, relevant information can be provided through various methods, such as through paper media, through electronic media, through QR codes, etc. In addition, the hair dye can be a single color or multiple colors. With this kind of related information and hair dye set, the user can apply the hair color of the desired impression based on the related information.

＜How to edit head image＞ The head image editing method is a head image editing method that can use the above-mentioned impression category information, local coloring information, and whole hair color information to present a head image with a specific impression. "Impression category information that determines which impression category the impression related to the appearance of the human face including hair belongs to", "Partial dyeing information related to the hair color and local dyeing", "Regarding the whole head area of hair "Full hair color information of hair color" and "Related information indicating relevant relationships" are as mentioned above. "Head images of people including hair" include not only images of people's heads that are photographed for impression evaluation, but also images of people's heads that have been processed using image editing software. In addition, it also includes image images (so-called photo stickers) based on head images of people (users), or virtual images (cartoons) created by simulating people. The "head image" may be any of a so-called frontal image including a human face, a so-called back image (only hair) excluding a human face, and a so-called profile image including a part of the human face. "The step of obtaining a face image of a person including hair" is a step of obtaining a head image, and the method of obtaining is not limited, such as obtaining by using a line, obtaining from a specific media, etc. "The calculation step of performing image analysis on the head image obtained by the acquisition step and calculating the local dyeing information and the whole hair color information" is to perform image analysis on the obtained head image and calculate the partial dyeing hair color information. Steps for coloring and hair coloring the entire head area. Specify the hair color of the whole head area or the whole head area on the head image, and extract the whole head area and the part related to the local coloring based on the specified content. When the entire head area is specified, for example, software for extracting color codes is used to calculate the hair color of the specified portion, and based on the calculation result, the entire head area and the portion related to the local dyeing are extracted. When the hair color of the whole head area is specified, the part with the hair color is extracted as the whole head area, and the other parts are extracted as the parts related to local dyeing. For the part extracted as a part related to the partial dyeing, for example, software for extracting a color code is used to calculate the hair color of the part extracted as a part related to the partial dyeing. Furthermore, the acquired head image may also be an image without partial coloring. In addition, the method of calculating the hair color of the entire head area and the hair color of the part related to local dyeing is not limited. In addition to the above-mentioned software for extracting color codes, there are also calculation methods such as comparing with pre-prepared teaching data. The "specifying step of specifying impression category information" is a step of specifying the impression you wish to present. The "extraction step" extracts highly relevant partial dyeing information and full hair color information based on the above related information and the specified impression category information. The extracted content is the same as that described in the above "Extraction method of hair color related information". The "selection step" selects at least one of the partial dyeing information and the whole hair color information extracted by the extraction step. The "hair color changing step" is a step of adding color to the acquired head image using image editing software based on the selection result obtained through the selection step (selected partial dyeing information and/or whole hair color information). By doing this, an image of the desired impression can be created. Images obtained through photography, etc. can be edited into images or cartoons with a desired impression. Therefore, for example, commemorative photos, promotional photos, etc. can be edited into photos with a desired impression. In addition, specific characters in online meetings or promotional videos can be edited into the desired impression. In addition, photos and animations of the desired impression can be created without changing the actual hair color. Also, regarding image images created by simulating people, cartoons of avatars, or animated images composed of avatars, the existence of correlations between impression type information, local coloring information, and whole hair color information and the human face The situation of all images has the same tendency, so these image images can also be edited (produced) with the impression you want to present. In this way, for example, a desired impression can be added to an avatar in a game or movie. Furthermore, in the "calculation step of performing image analysis on the head image acquired by the acquisition step and calculating the local coloring information and the whole hair color information", the hair color of the entire head area and the part related to the local coloring are calculated. Hair color, but it does not need to be counted as hair color, but only the whole head area (the part with hair) is calculated. By adding color to the calculated entire head area using image editing software based on the selection result of the selection step, an impression image can be created. On the other hand, the hair color of the entire head area and the local coloring are calculated in the "calculation step of performing image analysis on the head image acquired by the acquisition step and calculating the local coloring information and the whole hair color information" The hair color of the relevant part can also be evaluated as an impression of the head image obtained through the acquisition step.

The above-mentioned embodiments include the following technical ideas. ＜1＞ A method for extracting hair color-related information, characterized by: using relevant information indicating the correlation between impression category information and local coloring information. The above-mentioned impression category information is about which impression related to the appearance of the human face including hair belongs to. The above-mentioned partial dyeing information is related to the hair color of the above-mentioned hair and is related to the partial dyeing obtained by judging the impression classification; and by specifying one of the above-mentioned impression category information or the above-mentioned partial dyeing information, the other is extracted. ＜2＞ For example, the method of extracting hair color-related information in ＜1＞, where the above-mentioned relevant information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, whole-hair color information. The above-mentioned whole-hair color information is about The hair color of the whole head area of the above-mentioned hair; and by specifying two of the above-mentioned impression category information, the above-mentioned partial dyeing information and the above-mentioned whole hair color information, the remaining one is extracted. ＜3＞ For example, the method of extracting hair color-related information in ＜1＞, where the above-mentioned relevant information represents the correlation between the above-mentioned impression category information and the above-mentioned partial dyeing information, and further includes the whole-hair color information. The above-mentioned whole-hair color information is about The hair color of the whole head area of the above-mentioned hair; and by specifying one of the above-mentioned impression category information, the above-mentioned partial dyeing information and the above-mentioned whole hair color information, a combination of the remaining two is extracted. ＜4＞ The method of extracting hair color-related information as in ＜2＞ or ＜3＞, wherein the above-mentioned partial dyeing information includes area information related to the area where the above-mentioned hair is partially dyed, and the above-mentioned area information includes the above-mentioned dyeing area. Information about the same plural areas. ＜5＞ The method of extracting hair color-related information as in ＜4＞, wherein the above-mentioned partial dyeing information includes a combination of the hair color of the above-mentioned whole head area and the color difference of the hair color of the above-mentioned partial dyeing part and the above-mentioned area, and by specifying a specific The correlation between the above-mentioned area and the above-mentioned first combination of color differences extracted based on the impression category information is stronger than the correlation between other impression category information and the above-mentioned first combination. ＜6＞ The method for extracting hair color-related information as in any one of ＜1＞ to ＜5＞, wherein the above-mentioned impression category information includes impression category information arranged on a coordinate plane with two axes, and the above-mentioned two axes are respectively at The first axis has the impression of warmth and coldness at the opposite pole, and the second axis has the impression of softness and hardness at the opposite pole. ＜7＞ A method for extracting hair color-related information as in any one of ＜1＞ to ＜6＞, wherein the above-mentioned related information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, all hair color information , the above-mentioned whole hair color information refers to the hair color of the whole head area of the above-mentioned hair; when it is the impression category information of the cold impression and the soft impression, it is the impression category information of the warm impression and the soft impression. In the case of the impression type information of a cold impression and a hard impression, and in the case of the impression type information of a warm impression and a hard impression, when the hair in the entire head area of the above-mentioned hair When the color is the same as the hue of the hair color of the above-mentioned partial dyeing, the color information with a smaller chroma difference is extracted as at least a part of the above-mentioned partial dyeing information, which is an impression category of cold impression and hard impression. In the case of information, and in the case of information of the impression type that is a warm impression and a hard impression, when there is a chromatic contrast between the hair color of the entire head area of the hair and the hue of the partially dyed hair color, Color information with a larger chroma difference is extracted as at least part of the above-mentioned local coloring information. ＜8＞ The method of extracting hair color related information such as ＜1＞ or ＜3＞, where the above related information represents the correlation including the whole hair color information in addition to the above impression category information and the above partial dyeing information. The above whole hair When the color information is about the hair color of the whole head area of the above-mentioned hair; and when it is a cold impression and a soft impression type information, the hair color of the above-mentioned whole head area and the above-mentioned partial dyed hair color become When the above-mentioned partial dyeing information and the above-mentioned whole hair color information are extracted using intermediate hue matching, adjacent hue matching or similar hue matching, and the impression type information is a warm impression and a soft impression, the above whole head area is When the hair color and the hair color of the above-mentioned partial dyeing are similar to the hue matching or the adjacent hue matching, and the above-mentioned partial dyeing information and the above-mentioned whole hair color information are extracted, the impression type information is a cold impression and a hard impression. , extracting the above-mentioned partial dyeing information and the above-mentioned whole-hair color information in such a way that the hair color of the above-mentioned whole head area and the above-mentioned partial dyeing hair color become complementary hue matching, intermediate hue matching or contrasting hue matching, giving a warm impression and In the case of impression type information of a rigid impression, the partial dyeing information and the whole hair are extracted in such a way that the hair color of the whole head area and the hair color of the partial dyeing become a mid-range color matching or an adjacent hue matching. Sex information. ＜9＞ For example, in the method of extracting hair color related information in ＜2＞, one of the extracted items mentioned above is extracted with the highest correlation intensity, or it is extracted including the correlation intensity. <10> The method of extracting hair color-related information as in <1>, wherein the above-mentioned partial dyeing information includes the area and position of the part related to partial dyeing. ＜11＞ The method of extracting hair color related information as in ＜1＞, wherein the above-mentioned local dyeing information includes the application method of the local dyeing color of the part related to the local dyeing. ＜12＞ For example, the method of extracting hair color-related information in ＜2＞ specifies the above-mentioned whole hair color information and the above-mentioned partial dyeing information, and extracts the above-mentioned impression category information, and uses it in the above-mentioned whole hair color information and the above-mentioned partial dyeing information. It is not possible to specify the color matching method of the same hue for restriction. ＜13＞ For example, the method of extracting hair color-related information in ＜2＞ specifies the above-mentioned impression category information and the above-mentioned whole hair color information, and extracts the color difference contained in the above-mentioned partial dyeing information and the above-mentioned whole hair color information, and extracts The color difference is the above-mentioned whole hair color information above a specific standard score. ＜14＞ A method for extracting hair color-related information such as ＜4＞, in which the above-mentioned area with a strong correlation with the impression category information is extracted by specifying the impression category information as a cold impression and a soft impression. The combination of the above-mentioned color difference is the combination of the above-mentioned area extracted by specifying other impression category information and the combination of the smallest area among the combinations of the above-mentioned color difference, and is extracted by specifying the impression category information of warm impression and hard impression The combination of the above-mentioned area and the above-mentioned color difference that has a strong correlation with the impression category information is the combination including the thickest area among the combinations of the above-mentioned area and the above-mentioned color difference extracted by specifying other impression category information. ＜15＞ A method for extracting hair color-related information as in any one of ＜1＞ to ＜8＞, wherein the above-mentioned related information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, all hair color information , the above-mentioned whole hair color information refers to the hair color of the whole head area of the above-mentioned hair; and the above-mentioned partial dyeing information includes at least any one of the hue, brightness and chroma of the above-mentioned partial dyeing hair color, the above-mentioned whole hair color information Including at least any one of the hue, brightness and chroma of the hair color of the entire head area. ＜16＞ The method for extracting hair color-related information as in any one of ＜1＞ to ＜8＞, wherein the above-mentioned related information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, all hair color information , the above-mentioned whole hair color information refers to the hair color of the whole head area of the above-mentioned hair; and the above-mentioned partial dyeing information or the above-mentioned whole hair color information includes the color difference and color difference between the above-mentioned partial dyeing hair color and the above-mentioned hair color of the whole head area. , at least any one of brightness difference and chroma difference. <17> A method of extracting hair color related information such as <15> or <16>, wherein the above partial dyeing information is extracted by specifying the above impression category information and the above whole hair color information. ＜18＞A device for extracting hair color-related information, characterized by including: a memory element that memorizes relevant information representing the correlation between impression category information and local coloring information. The above-mentioned impression category information is related to the appearance of a human face including hair. The above-mentioned partial dyeing information is related to the hair color of the above-mentioned hair and is related to the partial dyeing. It is determined by determining which impression classification the relevant impression belongs to. The designated element allows the user to specify the above-mentioned impression category information or the above-mentioned partial dyeing information. One of; an extraction component, which extracts the other based on one of the above-mentioned relevant information and the above-mentioned impression category information or the above-mentioned local coloring information specified by the above-mentioned specified component; and an output component, the output of which is by the above-mentioned extraction The extraction result obtained by the component. ＜19＞ A device for extracting hair color related information such as ＜18＞, which further includes: an acquisition component that acquires a head image of a person including hair, and an editing component that extracts the above-mentioned partial coloring through the above-mentioned extraction process. In the case of information, based on the extraction result, the head image obtained above is edited; and a display element displays the head image edited by the above editing process. ＜20＞ A device for extracting hair color related information, characterized by including: a memory element, which stores information representing the correlation between impression category information, partial dyeing information and whole hair color information. The above impression category information is corresponding to and includes The above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the local dyeing, and the above-mentioned whole-hair color information is about the whole head area of the above-mentioned hair. hair color; a designated component that allows the user to specify a part of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information; an extraction component that is based on the above-mentioned relevant information and the above-mentioned part specified by the above-mentioned designated component , extracting the above-mentioned impression category information, the above-mentioned partial dyeing information and the above-mentioned whole hair color information that are different from the above-mentioned part; and an output component that outputs the extraction result obtained by the above-mentioned extraction component. ＜21＞ For example, in the device for extracting hair color-related information in ＜20＞, in the case where one of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information is specified by the above-mentioned specifying element, the above-mentioned extraction element Extract the combination of the remaining two, and the above-mentioned output component outputs the combination of the above-mentioned two remaining as the extraction result, and the above-mentioned hair color related information extraction device includes a selection element, which allows the user to select the above-mentioned output of the above-mentioned remaining two. Any of the combinations. ＜22＞ An application for extracting hair color-related information, characterized by: activating a hair color-related information extraction device having relevant information indicating a correlation between impression category information and local dyeing information, the above-mentioned impression category information being related to The above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the partial dyeing, and the application for extracting the above-mentioned hair color-related information includes: Specified Processing, which is to specify one of the above-mentioned impression category information or the above-mentioned local coloring information; and extraction processing, which is to extract the other based on the above-mentioned related information and the above-mentioned one specified by the above-mentioned specifying process. ＜23＞ An application for extracting hair color-related information, characterized by: activating a device for extracting hair color-related information having relevant information indicating the correlation between impression category information, partial dyeing information, and whole hair color information, and the above-mentioned impression The category information is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to. The above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the local dyeing. The above-mentioned whole hair color information is about the above-mentioned The hair color of the entire head area of the hair; and the application for extracting the above-mentioned hair color-related information includes: designated processing, which specifies one of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information; and extracting Processing is based on the above-mentioned relevant information and the above-mentioned one specified by the above-mentioned specifying process, and extracts a combination of the remaining two. ＜24＞ An application for extracting hair color-related information, characterized by: activating a device for extracting hair color-related information having relevant information indicating the correlation between impression category information, partial dyeing information, and whole hair color information, and the above-mentioned impression The category information is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to. The above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the local dyeing. The above-mentioned whole hair color information is about the above-mentioned The hair color of the entire head area of the hair; and the application for extracting the above-mentioned hair color-related information includes: designated processing, which specifies two of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information; and extracting Processing is based on the above-mentioned relevant information and the above two designated by the above-mentioned designation processing, and extracts the remaining one. ＜25＞ A recording medium that records an application program for extracting hair color-related information in any one of ＜22＞ to ＜24＞ in a manner that can be read by a computer. <26> A head image editing method, characterized by: editing the head image using relevant information indicating the correlation between impression category information, local dyeing information and whole hair color information, the above impression category information is corresponding to and includes The above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the local dyeing, and the above-mentioned whole-hair color information is about the whole head area of the above-mentioned hair. A person with hair color; and the above-mentioned head image editing method includes: an acquisition step, which is to acquire a head image of a person including hair; a calculation step, which is to perform an operation on the head image acquired through the above-mentioned acquisition step. Image analysis to calculate the above-mentioned partial dyeing information and the above-mentioned whole hair color information; The specifying step is to specify the above-mentioned impression category information; The extraction step is to extract a strong correlation based on the above-mentioned relevant information and the specified above-mentioned impression category information. The combination of the above-mentioned partial dyeing information and the above-mentioned whole hair color information; the selection step, which is to select at least any one of the above-mentioned partial dyeing information and the above-mentioned whole hair color information; and the hair color changing step, which is based on the above-mentioned obtained In the head image, the hair color of the head image is changed based on the selected local dyeing information and/or the whole hair color information. <27> A wig set, which includes: related information, which represents the correlation between impression category information, partial dyeing information and whole hair color information. The above impression category information is the type of impression related to the appearance of the human face including hair. The above-mentioned partial dyeing information is determined by impression classification, and the above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned whole hair color information is about the hair color of the whole head area of the above-mentioned hair; wigs; and hair dyes, which Based on the above-mentioned relevant information, at least a part of the above-mentioned wig is given the hair color of the above-mentioned hair. <28> A hair dye set, which includes: related information, which represents the correlation between impression category information, partial dyeing information and whole hair color information. The above impression category information refers to which impression related to the appearance of the human face including hair belongs. The above-mentioned partial dyeing information is related to the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned whole hair color information is related to the hair color of the whole head area of the above-mentioned hair; and the hair dye is based on The above-mentioned relevant information applies the hair color of the above-mentioned hair to at least part of the above-mentioned hair. <a> A method for extracting hair color-related information, characterized by: using relevant information indicating a statistically obtained correlation between an impression item related to the appearance of a person's face including hair, and a local coloring item. The dyeing item is related to the hair color of the above-mentioned hair and is related to partial dyeing; and by specifying one of the above-mentioned impression items or the above-mentioned partial dyeing items, the other item is extracted. ＜b＞ For example, the method of extracting hair color-related information of ＜a＞ further includes a whole-head item, which is about the hair color of the entire head area of the above-mentioned hair; and the above-mentioned relevant information represents the above-mentioned impression item, the above-mentioned The correlation between the partial dyeing items and the above-mentioned whole head items, and the above-mentioned method of extracting the hair color-related information is to extract items different from the above-specified items by specifying a part of the above-mentioned items. ＜c＞ The method of extracting hair color related information as in ＜b＞, wherein the above-mentioned partial dyeing items include area information related to the area where the above-mentioned hair is partially dyed, and the above-mentioned area information includes a plurality of different areas of the above-mentioned dyeing. Area information. <d> The method of extracting hair color related information such as <c>, wherein the above-mentioned partial dyeing item includes the combination of the hair color of the above-mentioned whole head area and the color difference of the hair color of the above-mentioned partial dyeing part and the above-mentioned area, and by specifying a specific The correlation between the area extracted from the impression item and the first combination of color differences is stronger than the correlation between other impression items and the first combination. ＜e＞ A method for extracting hair color-related information as in any one of ＜a＞ to ＜d＞, wherein the above-mentioned impression items include impression items arranged on a coordinate plane with two axes, and the above-mentioned two axes are at the opposite poles respectively. The first axis has the impression of warmth and the impression of coldness, and the second axis has the impression of softness and hardness of the pole. <f> The method of extracting hair color-related information in any one of <a> to <e>, which further includes a whole-head item, which is about the hair color of the whole head area of the above-mentioned hair; and is When it is a cold impression and it is an impression item of a soft impression, when it is a warm impression and it is an impression item of a soft impression, when it is a cold impression and it is an impression item of a hard impression, and when it is When the warm impression is an impression item of a hard impression, when the hair color of the whole head area of the hair and the hue of the partially dyed hair color are the same, the value with the smaller chroma difference is extracted , when it is a cold impression and is an impression item of a hard impression, and when it is a warm impression and is an impression item of a hard impression, when the hair color of the entire head area of the hair is the same as the above-mentioned partial dyeing When there is a chroma contrast between the hues of the hair color, the value with the larger chroma difference is extracted. <g> The method of extracting hair color-related information in any one of <a> to <f>, which further includes a whole-head item, which is about the hair color of the whole head area of the above-mentioned hair; and is In the case of an impression item with a cold impression and a soft impression, the above-mentioned partial hair color is extracted in such a way that the hair color of the entire head area and the hair color of the partial dyeing become an intermediate hue color match, an adjacent hue color match, or a similar hue color match. When the dyeing item and the above-mentioned whole-head item are items with a warm impression and a soft impression, the hair color of the above-mentioned whole-head area and the above-mentioned partial dyeing hair color become a similar hue color or an adjacent hue color. , when the above-mentioned partial dyeing item and the above-mentioned whole-head item are extracted to have a cold impression and a hard impression, the hair color of the above-mentioned whole-head area and the above-mentioned partial dyeing hair color become complementary colors, When the above-mentioned partial dyeing items and the above-mentioned whole-head items are extracted by using medium-differential hue matching or contrasting hue matching, and the impression items are warm impression and hard impression, the hair color of the above-mentioned whole head area is consistent with the above-mentioned The hair color of partial dyeing becomes a medium color matching or an adjacent color matching method, and partial dyeing items and full hair items are extracted. ＜h＞ For example, the method of extracting hair color related information of ＜a＞ further includes the whole head item, which is about the hair color of the whole head area of the above-mentioned hair; and the above-mentioned related information represents the above-mentioned impression item, the above-mentioned The correlation between the partial dyeing item and the above-mentioned whole-head item, and the above-mentioned hair color-related information extraction method is to specify two of the above-mentioned items, and extract one item that is different from the above-mentioned two specified items. ＜i＞ For example, ＜h＞ is a method for extracting hair color related information, in which one of the extracted items mentioned above is extracted with the highest correlation intensity, or is extracted including the correlation intensity. <j> The method of extracting hair color related information as in <a>, wherein the above-mentioned partial dyeing items include the area and position of the part related to partial dyeing. <k> The method of extracting hair color related information as in <a>, wherein the above-mentioned partial dyeing items include the application method of the partial dyeing color of the part related to the partial dyeing. ＜l＞ For example, the method of extracting hair color-related information in ＜b＞ specifies the above-mentioned full head item and the above-mentioned partial dyeing item, and extracts the above-mentioned impression item, and the above-mentioned full head item and the above-mentioned partial dyeing item cannot specify the same The color matching method of hue is restricted. <m> For example, the method of extracting hair color-related information of <b> specifies the above-mentioned impression item and the above-mentioned full-head item, and extracts the color difference between the above-mentioned partial dyeing item and the above-mentioned full-head item, and the extracted color difference is The above-mentioned comprehensive items are divided into specific standards. <n> A method for extracting hair color related information such as <d>, in which the above-mentioned area and the above-mentioned color difference are extracted by specifying an impression item as a cold impression and a soft impression and having a strong correlation with the impression item. The combination is the combination including the smallest area among the combinations of the above-mentioned area and the above-mentioned color difference extracted by specifying other impression items, and is extracted by specifying the impression item of warm impression and hard impression and the impression is The combination of the above-mentioned area and the above-mentioned color difference with a strong correlation between the items is the combination including the roughest area among the combinations of the above-mentioned area and the above-mentioned color difference extracted by specifying other impression items. ＜о＞ The method of extracting hair color related information in any one of ＜a＞ to ＜g＞, which further includes a whole head item, the whole head item is about the hair color of the whole head area of the above-mentioned hair; and the above The partial dyeing item includes at least any one of the hue, brightness and chroma of the hair color of the above-mentioned partial dyeing, and the above-mentioned full head item includes at least any one of the hue, brightness and chroma of the hair color of the whole head area. <p> The method for extracting hair color-related information in any one of <a> to <g>, which further includes a whole-head item, which is about the hair color of the whole head area of the above-mentioned hair; and the above-mentioned The partial dyeing item or the above-mentioned full head item includes at least any one of the color difference, hue difference, brightness difference and chroma difference between the hair color of the partial dyeing and the hair color of the whole head area. <q> A method of extracting hair color-related information as in any one of <о> or <p>, wherein the above-mentioned partial dyeing item is extracted by specifying the above-mentioned impression item and the above-mentioned full head item. ＜r＞ A device for extracting hair color-related information, characterized by including: a memory element that stores information representing the statistical correlation between an impression item and a local coloring item, and the above-mentioned impression item is related to the appearance of a human face including hair. Relevant, the above-mentioned partial dyeing items are related to the hair color of the above-mentioned hair and are related to partial dyeing; designated components, which specify one of the above-mentioned impression items or the above-mentioned partial dyeing items; and extracted components, which are based on the above-mentioned relevant information and borrowed The item specified by the above specified element extracts another item <s> such as <r>, a device for extracting hair color related information, which further includes: an acquisition element, which acquires a head image of a person with hair, and an editing element , when the above-mentioned partial coloring item is extracted by the above-mentioned extraction process, based on the extraction result, the head image obtained above is edited; and a display element that displays the head edited by the above-mentioned editing process. images. <t> A device for extracting hair color-related information, characterized by including: a memory element, which stores information indicating the statistical correlation between impression items, partial dye items and whole-head items. The above-mentioned impression items are related to hair color-related information. If it is related to the appearance of the human face, the above-mentioned partial dyeing item is related to the hair color of the above-mentioned hair and is related to partial dyeing, and the above-mentioned full-head item is related to the hair color of the entire head area of the hair; the designated element specifies the above-mentioned impression item, The above-mentioned partial dyeing items and part of the above-mentioned full-head items; and extraction components, which extract items different from the above-specified items based on the above-mentioned relevant information and the items specified by the above-mentioned specified components. <u> An application for extracting hair color-related information, characterized by activating a hair color-related information extraction device having relevant information indicating a statistically obtained correlation between an impression item and a partial dyeing item. The above-mentioned partial dyeing items are related to the hair color of the above-mentioned hair and are related to the facial appearance including hair; and the application for extracting the above-mentioned hair color-related information includes: designated processing, which specifies the above-mentioned impression items or the above-mentioned One of the partial dyeing items; and extraction processing, which extracts another item based on the above-mentioned relevant information and the items specified by the above-mentioned specifying processing. <v> An application for extracting hair color-related information, characterized by activating a device for extracting hair color-related information having relevant information indicating a statistically obtained correlation between an impression item, a partial dyeing item, and a total head item, the above-mentioned The impression item is related to the appearance of the human face including hair, the above-mentioned partial dyeing item is related to the hair color of the above-mentioned hair and is related to partial dyeing, the above-mentioned full-head item is related to the hair color of the entire head area of the hair; and the above-mentioned hair coloring item is related to the hair color of the above-mentioned hair. The application for extracting color-related information includes: designated processing, which specifies some of the above-mentioned impression items, the above-mentioned partial dyeing items, and the above-mentioned full head items; and extraction processing, which is based on the above-mentioned relevant information and through the above-mentioned specified processing. Specified items, extract items that are different from the above specified items. ＜w＞ A recording medium that records an application program for extracting hair color-related information such as ＜u＞ or ＜v＞ in a manner that can be read by a computer. <x> A method for editing a head image, characterized by: editing a head image using relevant information indicating a statistically obtained correlation between an impression item, a partial coloring item, and a whole head item, and the above impression item is related to hair. If it is related to the appearance of the human face, the above-mentioned partial dyeing items are related to the hair color of the hair and are related to local dyeing, and the above-mentioned full-head items are related to the hair color of the whole head area of the hair; and the editing method of the above-mentioned head image includes : The acquisition step is to acquire a head image of a person including hair; the calculation step is to perform image analysis on the head image acquired by the above acquisition step, and calculate the above-mentioned partial dyeing items and the above-mentioned whole head items. ; The designation step, which is to designate the above-mentioned impression items; and the selection step, which is to select the above-mentioned partial dyeing items or the above-mentioned full-head items with strong correlation based on the above-mentioned relevant information and the above-mentioned specified impression items; based on the above-mentioned selection The selection result obtained in the step changes the hair color of the hair in the head image obtained above. <y> A wig set, which includes: Relevant information, which represents the statistical correlation between the impression item and the partial dyeing item. The above impression item is related to the appearance of the human face including hair. The above partial dyeing item is about the above hair. The hair color is related to local dyeing; wig; and hair dye, which applies the hair color of the above-mentioned hair to at least part of the above-mentioned wig based on the above-mentioned relevant information. <z> A hair dye set, which includes: Relevant information, which represents the statistical correlation between the impression item and the partial dyeing item. The above impression item is related to the appearance of the human face including hair. The above partial dyeing item is about the above The hair color of the hair is related to local dyeing; and a hair dye that imparts the above-mentioned hair color to at least a part of the above-mentioned hair based on the above-mentioned relevant information.

This application claims priority based on Japanese Patent Application No. 2021-207568 filed on December 21, 2021, and Japanese Patent Application No. 2022-202451 filed on December 19, 2022, and discloses all the contents thereof. Quote here.

50: Device for extracting hair color related information (portable terminal) 51:Memory department 52:Designated department 53: Extraction part 54: Acquisition Department 55: Calculation Department 56:Display part

FIG. 1 is a diagram showing an outline of the experimental method in this embodiment. C1 to C4 and S1 to S4 in FIG. 2 are diagrams showing an example of a stimulus image. Figure 3 is a conceptual diagram related to the impression project. FIG. 4 is a diagram showing an example of conditions for a stimulus image. C1 to C6 and S1 to S6 in FIG. 5 are diagrams showing an example of a stimulus image. FIG. 6 is a diagram showing an example of conditions for a stimulus image. Figure 7 1(a), 1, 1(b), 2(a), 2, 2(b), 3(a), 3, 3(b), 4(a), 4, 4(b) This is an example of a stimulus image. 8(a) to (d) are diagrams showing an example of related information. FIG. 9 is a diagram showing an example of conditions for a stimulus image. FIGS. 10(a) to 10(d) are diagrams showing examples of related information. Figure 11 is a conceptual diagram showing the relationship between the color difference between the hair color of the whole head and the partial dye color. FIG. 12 is a diagram showing an example of related information. FIG. 13 is a diagram showing an example of conditions for a stimulus image. FIGS. 14(a) to 14(d) are diagrams showing examples of related information. Figure 15 is a conceptual diagram of a device for extracting hair color related information. 16(1) to (4) are diagrams showing schematic screens of the display unit. Figure 17 (a) is a diagram showing the front part of the wig, (b) is a diagram showing the tip part of the wig, and (c) is a diagram showing the tip part of the wig used for a combed hairstyle.

Claims (20)

A method for extracting hair color related information, which is characterized by: Relevant information indicating the correlation between the impression category information obtained by determining which impression classification the impression related to the appearance of the human face including hair belongs to and the local coloring information regarding the hair are used. The hair color is related to local dyeing; and By specifying one of the above-mentioned impression type information or the above-mentioned local coloring information, the other is extracted. For example, the method for extracting hair color-related information in item 1 is requested, wherein the above-mentioned relevant information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, whole-hair color information, and the above-mentioned whole-hair color information is related to the above-mentioned hair. Hair color of the entire head area; and By specifying two of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information, the remaining one is extracted. For example, the method for extracting hair color-related information in item 1 is requested, wherein the above-mentioned relevant information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, whole-hair color information, and the above-mentioned whole-hair color information is related to the above-mentioned hair. Hair color of the entire head area; and By specifying one of the above impression category information, the above partial dyeing information and the above whole hair color information, a combination of the remaining two is extracted. If the method for extracting hair color-related information of item 2 or 3 is requested, the above-mentioned partial dyeing information includes area information related to the area where the above-mentioned hair is partly dyed, and The above-mentioned area information includes information on multiple types of areas in which the areas of the above-mentioned dyeing are different from each other. For example, the method for extracting hair color-related information as requested in item 4, wherein the above-mentioned partial dyeing information includes the combination of the color difference of the hair color of the above-mentioned whole head area and the above-mentioned partial dyeing part and the above-mentioned area, and The correlation between the area extracted by specifying specific impression category information and the first combination of color differences is stronger than the correlation between other impression category information and the first combination. A method for extracting hair color-related information according to any one of items 1 to 3 is requested, wherein the above-mentioned impression category information includes impression category information arranged on a coordinate plane with two axes, the two axes being warm at the opposite pole respectively. The first axis is the impression and cold impression, and the second axis is the impression of softness and the impression of hardness. If you request a method for extracting hair color-related information in any one of items 1 to 3, the above-mentioned relevant information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, whole-hair color information, and the above-mentioned whole-hair color The information relates to the hair color of the entire head area of hair described above; and When the impression is cold and the impression type information is a soft impression, when the impression is warm and the impression type information is a soft impression, when the impression is cold and the impression type information is a hard impression In the case of impression type information that is a warm impression and a hard impression, when the hair color of the entire head area of the hair and the hue of the partially dyed hair color are the same, the chroma is extracted The color information with a smaller difference is used as at least part of the above-mentioned local dyeing information, In the case of a cold impression and impression type information of a hard impression, and in a case of a warm impression and the impression type information of a hard impression, when the hair color of the entire head area of the hair is the same as that of the partial When there is a chroma contrast between the hues of the dyed hair color, the color information with a larger chroma difference is extracted as at least part of the above-mentioned local dyeing information. For example, if the method for extracting hair color related information of item 1 or 3 is requested, the above related information means that in addition to the above impression category information and the above partial dyeing information, it further includes the correlation of the whole hair color information, and the above whole hair color information is related to the above The hair color of the entire head area; and In the case of impression type information that is a cold impression and a soft impression, the hair color of the above-mentioned whole head area and the above-mentioned partially dyed hair color are extracted in such a way that the hair color of the above-mentioned whole head area and the hair color of the partial dyeing become an intermediate hue color matching, an adjacent hue color matching or a similar hue color matching. The above partial dyeing information and the above whole hair color information, In the case of impression category information that is a warm impression and a soft impression, the partial dyeing information and The above whole hair color information, In the case of the impression type information of a cold impression and a hard impression, the hair color of the whole head area and the hair color of the partial dyeing are made into complementary hue matching, intermediate hue matching or contrasting hue matching, Extract the above partial dyeing information and the above whole hair color information, In the case of impression category information that is a warm impression and a hard impression, the partial dyeing is extracted in such a way that the hair color of the entire head area and the hair color of the partial dyeing become a mid-range hue match or an adjacent hue match. Information and full hair color information above. If you request a method for extracting hair color-related information in any one of items 1 to 3, the above-mentioned relevant information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, whole-hair color information, and the above-mentioned whole-hair color The information relates to the hair color of the entire head area of hair described above; and The above-mentioned partial dyeing information includes at least any one of the hue, brightness and chroma of the hair color of the above-mentioned partial dyeing, The above-mentioned whole hair color information includes at least any one of the hue, brightness and chroma of the hair color in the above-mentioned whole head area. If you request a method for extracting hair color-related information in any one of items 1 to 3, the above-mentioned relevant information represents a correlation including, in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, whole-hair color information, and the above-mentioned whole-hair color The information relates to the hair color of the entire head area of hair described above; and The above-mentioned partial dyeing information or the above-mentioned whole hair color information includes at least any one of the color difference, hue difference, brightness difference and chroma difference between the partial dyed hair color and the hair color of the whole head area. For example, if you request a method for extracting hair color-related information in Items 1 to 3, the above-mentioned relevant information means that in addition to the above-mentioned impression category information and the above-mentioned partial dyeing information, it further includes the correlation of the whole hair color information, and the above-mentioned whole hair color information is related to the above-mentioned The hair color of the entire head area; and The above-mentioned partial dyeing information includes at least any one of the hue, brightness and chroma of the hair color of the above-mentioned partial dyeing, The above-mentioned whole hair color information includes at least any one of the hue, brightness and chroma of the hair color in the above-mentioned whole head area, By specifying the above impression category information and the above whole hair color information, the above partial dyeing information is extracted. A device for extracting hair color related information, which is characterized by including: A memory element that stores information representing the correlation between the impression category information and the local coloring information. The above impression category information is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to. The above local coloring information It is related to the hair color of the above-mentioned hair and is related to local dyeing; A designated component that allows the user to specify one of the above impression type information or the above partial coloring information; Extract components, which extract the other based on one of the above-mentioned relevant information and the above-mentioned impression category information or the above-mentioned partial coloring information specified by the above-mentioned specified component; and The output component outputs the extraction result obtained by the above extraction component. A device for extracting hair color related information, which is characterized by including: A memory element that stores information representing the correlation between impression category information, local dyeing information and whole hair color information. The above impression category information is obtained by determining which impression category the impression related to the appearance of the human face including hair belongs to. , the above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to partial dyeing, and the above-mentioned whole hair color information is about the hair color of the whole head area of the above-mentioned hair; A designated element that allows the user to specify a part of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information; Extract components that extract the above-mentioned impression type information, the above-mentioned partial dyeing information and the above-mentioned whole hair color information that are different from the above-mentioned part based on the above-mentioned relevant information and the above-mentioned part specified by the above-mentioned specified component; and The output component outputs the extraction result obtained by the above extraction component. For example, in the device for extracting hair color-related information of claim 13, in which one of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information is specified by the above-mentioned specifying element, the above-mentioned extraction element extracts the remaining two combination of The above output component outputs the combination of the remaining two as the extraction result, and The device for extracting hair color-related information includes a selection component that allows the user to select any combination of the remaining two output combinations. An application for extracting hair color related information, which is characterized by: activating a device for extracting hair color-related information having relevant information indicating a correlation between impression category information obtained by determining which impression category an impression related to the appearance of a human face including hair belongs to, and local coloring information. Or, the above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to partial dyeing; and The application for extracting the above hair color related information includes: Specified processing, which specifies one of the above-mentioned impression category information or the above-mentioned partial staining information; and Extraction processing is based on the above-mentioned related information and the above-mentioned one designated by the above-mentioned designation processing, and extracts the other. An application for extracting hair color related information, which is characterized by: The device for extracting hair color-related information having relevant information indicating the relationship between the impression category information, the partial dyeing information, and the whole hair color information, which type of impression is related to the appearance of the human face including hair, is operated. As determined by impression classification, the above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the local dyeing, and the above-mentioned whole hair color information is about the hair color of the whole head area of the above-mentioned hair; and The application for extracting the above hair color related information includes: Designated processing, which specifies one of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information; and The extraction process is based on the above-mentioned related information and the above-mentioned one specified by the above-mentioned specification process, and extracts a combination of the remaining two. An application for extracting hair color related information, which is characterized by: The device for extracting hair color-related information having relevant information indicating the relationship between the impression category information, the partial dyeing information, and the whole hair color information, which type of impression is related to the appearance of the human face including hair, is operated. As determined by impression classification, the above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the local dyeing, and the above-mentioned whole hair color information is about the hair color of the whole head area of the above-mentioned hair; and The application for extracting the above hair color related information includes: Specified processing, which specifies two of the above-mentioned impression category information, the above-mentioned partial dyeing information, and the above-mentioned whole hair color information; and The extraction process is based on the above-mentioned related information and the above two designated by the above-mentioned designation process, and extracts the remaining one. A head image editing method, characterized by: Edit the head image using relevant information indicating the correlation between the impression category information, the local coloring information and the whole hair color information, which is obtained by determining which impression category the impression related to the appearance of the face including hair belongs to. Or, the above-mentioned partial dyeing information is about the hair color of the above-mentioned hair and is related to the partial dyeing, and the above-mentioned whole hair color information is about the hair color of the whole head area of the above-mentioned hair; and The editing methods for the above head images include: Obtaining a step of obtaining a head image of a person including hair; A calculation step, which is to perform image analysis on the head image obtained by the above-mentioned acquisition step, and calculate the above-mentioned local coloring information and the above-mentioned whole hair color information; The specifying step is to specify the above impression category information; The extraction step is to extract a combination of the above-mentioned partial dyeing information and the above-mentioned whole hair color information with strong correlation based on the above-mentioned relevant information and the above-mentioned specified impression category information; The selection step is to select at least any one of the above-mentioned partial dyeing information and the above-mentioned whole hair color information; and The hair color changing step is to change the hair color of the head image obtained above based on the selected partial dyeing information and/or the whole hair color information. A wig set containing: Related information, which represents the correlation between impression category information, partial dyeing information and whole hair color information. The above impression category information is obtained by determining which impression classification the impression related to the appearance of the human face including hair belongs to. The above partial dyeing information The information is about the hair color of the above-mentioned hair and is related to partial dyeing, and the above-mentioned whole hair color information is about the hair color of the whole head area of the above-mentioned hair; wigs; and A hair dye that imparts the hair color of the above-mentioned hair to at least a part of the above-mentioned wig based on the above-mentioned relevant information. A hair dye kit containing: Related information, which represents the correlation between impression category information, partial dyeing information and whole hair color information. The above impression category information is obtained by determining which impression classification the impression related to the appearance of the human face including hair belongs to. The above partial dyeing information The information relates to the hair color of the above-mentioned hair and is related to partial dyeing, and the above-mentioned full-hair color information relates to the hair color of the entire head area of the above-mentioned hair; and A hair dye that imparts the hair color of the above-mentioned hair to at least a part of the above-mentioned hair based on the above-mentioned relevant information.