JP2014170395A - Color scheme evaluation device, color scheme evaluation method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technology for evaluating, for each component, whether easiness of each of components included in an image to be conspicuous when compared with other components is matched with a degree of importance of each of components.SOLUTION: A color scheme information acquisition section 2020 acquires a combination of a color and a position of each of pixels included in an image. A component information acquisition section 2040 acquires a combination of an importance degree of each component and information specifying a pixel included in the component. A component representative color calculation section 2060 calculates a representative color of the components. A background element representative color calculation section 2080 calculates a representative color of background elements. An eye-catching degree calculation section 2100 uses the representative color of components and the representative color of background elements to calculate an eye-catching degree of the components. A color scheme validity determination section 2120 compares a relative importance degree resulting from comparing an importance degree of a component with an importance degree of the other component with a relative eye-catching degree resulting from an eye-catching degree of a component with the eye-catching degree of the other component to determine validity of a color scheme applied to the components.

Description

  The present invention relates to a color arrangement evaluation device, a color arrangement evaluation method, and a program.

  When creating an image, making information important to the user viewing the image stand out is a basic technique for creating an easy-to-see image. In an image, various types of information are represented by partial areas in the image. Hereinafter, this partial area | region is described with a component. For example, the constituent elements in the map image are each building and road. It is thought that an image can be easily seen by giving a conspicuous expression to an important component.

  Among the expressions applied to the constituent elements, color is one of the expressions that influence the conspicuousness of the constituent elements. In general, a method of giving a conspicuous color when viewed as a single unit in order from components having higher importance is commonly used. An example of a color that is conspicuous when viewed as a single unit is, for example, red.

  However, simply applying a conspicuous color to a component having high importance when viewed as a single unit may cause the conspicuousness of each component to differ from the intention of the image creator. This is because the ease of conspicuousness of a certain color in an image depends not only on the conspicuousness of the color when viewed alone, but also on the conspicuousness when compared with other colors in the image. Because.

  For example, red is a color that stands out as a simple substance. However, if the same red color is used for many components in the image, or if a close color such as magenta or orange is used, the conspicuousness of red will be reduced. Thus, in order to determine the color arrangement for each component included in the image, it is important to consider the color balance of the entire image.

  Determining whether the color scheme of each component included in the image is a color scheme that takes into account the balance of the entire image is a difficult task for those who do not have specialized knowledge about color or design. Therefore, there is a need for an apparatus that can make this determination on behalf of an expert.

  The technique described in Non-Patent Document 1 is a technique for evaluating a setting method such as the color and area of each component when a plurality of components having different priorities are displayed on the screen. This technology considers the ease of visual attention and priority of each component on the screen, and evaluates the appropriateness of display as the entire screen as a value of “display achievement”.

  The technology described in Non-Patent Document 2 is the case where the conspicuousness of each color used for each component in the screen is compared with the feature attraction degree that is conspicuous as a single color and other colors It is calculated with an attractiveness evaluation model that takes into account the degree of heterogeneity that is the conspicuousness.

  The technique described in Patent Document 1 is a technique for decorating each area so as to make a difference in color and hatching density according to the area and importance of the area in the document.

JP 09-078661 A

Yuji Kikuta, Sozo Inoue, Mizuho Iwaihara, “About the presentation method of large amount of information considering importance and attractiveness and evaluation using display achievement”, IEICE technical report, pp. 41-48, 2000 May 2, Shoji Tanaka, Seiji Iguchi, Yuichi Iwadate, Ryohei Nakatsu, “Estimation model based on physical characteristics of image area”, IEICE Transactions, Vol. J83-A, no. 5, pp. 576-588, May 25, 2000

  The present inventor has found that it is necessary to evaluate for each component whether or not the conspicuousness of each component matches the importance of each component when viewed from the entire image. If the image creator finds that the color scheme of the image is not appropriate, he needs to correct the color scheme of the image. For that purpose, it is useful to individually determine the appropriateness of the color scheme for each component, such as “which component is suitable for color scheme and which component is not suitable for color scheme”.

  The technique described in Non-Patent Document 1 does not disclose a method for individually calculating the degree of coincidence between the color arrangement and the importance for each component included in the image. The display achievement calculated by the technique described in Non-Patent Document 1 is a degree of how appropriate the color scheme of the entire image is. In this technique, the degree of display achievement is calculated by performing weighting by multiplying the conspicuousness of each component by the importance of each component. Therefore, this technique does not evaluate the degree of coincidence between each component and importance. Therefore, when the display achievement level is low, it is not known which component color scheme should be changed.

  With the technique described in Non-Patent Document 2, it is possible to evaluate how conspicuous each color used for each component in the screen is in the entire screen. However, since the meaning and importance of each component in the screen with each color are not taken into consideration, it cannot be determined whether the conspicuousness of each component is appropriate according to the meaning and importance of the information in the screen.

  The technique described in Japanese Patent Laid-Open No. 2004-228561 performs coloring to give a conspicuous color as a single unit as the degree of importance increases for each component in a document. For this reason, the stand-alone ease of each area is adjusted, but the balance when viewed in the entire document is not taken into consideration. Further, the technique described in Patent Document 1 is a technique for performing color arrangement according to importance, and cannot evaluate the color arrangement of an image.

  The present invention has been made in view of the above problems. An object of the present invention is a technique for evaluating, for each component, whether or not each component included in an image is conspicuous when compared with other components and the importance of each component matches. I will provide a.

  A color arrangement evaluation apparatus provided by the present invention includes a color arrangement information acquisition unit that acquires color arrangement information, which is information in which a combination of a pixel color and a position is associated with each pixel included in an evaluation target image, and evaluation. Of the pixels included in the target image, for the component that is an area composed of a plurality of adjacent pixels, the importance of the component, and pixel information for specifying the pixel included in the component, , Component element information acquisition means for acquiring component element information, and for each component element, the color of each pixel included in the component element is acquired using the color arrangement information. Based on the combination with the number of pixels having each color in the element, the representative color calculation means for calculating the representative color of the constituent element and the background element corresponding to the constituent element are arranged. A background element representative that obtains the color of each pixel included in the background element using information and calculates a representative color of the background element based on a combination of each color and the number of pixels having each color in the background element Based on the color calculation means, the component representative color of the component, and the background representative color of the background element corresponding to the component, the degree of attraction that is a value indicating the ease of visual attention of the component The degree of attractiveness calculating means, the relative importance that is a relative value comparing the importance of the component with the importance of each component other than the component, and the attractiveness of the component other than the component And a color arrangement validity determining means for determining whether or not the color arrangement of the constituent elements is appropriate by comparing the relative attractiveness that is a relative value compared with the attractive degree of each of the constituent elements. Here, the background element corresponding to the component is a region other than the component and a region including pixels adjacent to the component.

  The program provided by the present invention causes a computer to have a function of operating as a color arrangement evaluation apparatus provided by the present invention. The program causes the computer to have the function of each functional component included in the color arrangement evaluation apparatus.

  The color arrangement evaluation method provided by the present invention is executed by a computer. The color arrangement evaluation method includes a color arrangement information acquisition step of acquiring color arrangement information, which is information in which a combination of pixel color and position is associated with each pixel included in the evaluation target image, and is included in the evaluation target image. Among components that are regions composed of a plurality of adjacent pixels, the importance of the component is associated with pixel information that identifies the pixels included in the component The component information acquisition step for acquiring the component information that is the information obtained, the color of each pixel included in the component is acquired using the color arrangement information for the component, and each color and each color in the component Based on the combination with the number of pixels having a component, a representative color calculation step for calculating the representative color of the component and a background element corresponding to the component are arranged. A background element representative that obtains the color of each pixel included in the background element using information and calculates a representative color of the background element based on a combination of each color and the number of pixels having each color in the background element The degree of attraction that is a value indicating the ease of drawing visual attention of the component based on the color calculation step, the component representative color of the component, and the background representative color of the background element corresponding to the component An attractiveness calculating step, a relative importance that is a relative value comparing the importance of the component with the importance of each component other than the component, and the attractiveness of the component other than the component A coloration validity determination step of determining whether or not the coloration of the component is appropriate by comparing the degree of attractiveness that is a relative value compared with the degree of attractiveness of each of the components. Here, the background element corresponding to the component is a region other than the component and a region including pixels adjacent to the component.

  According to the present invention, a technique for evaluating, for each component, whether or not each component included in an image is conspicuous when compared with other components and the importance of each component matches. Is provided.

1 is a block diagram illustrating a color arrangement evaluation device according to Embodiment 1. FIG. It is a figure which shows the structure of a color scheme information matrix. It is a figure which shows the structure of a component information table. It is a block diagram which illustrates the hardware constitutions of a color arrangement evaluation apparatus. 6 is a flowchart illustrating a flow of processing performed by the color arrangement evaluation device according to the first embodiment. It is a block diagram which shows the color scheme evaluation apparatus which concerns on Embodiment 2. FIG. It is a figure which illustrates the hierarchical structure between components. It is a figure which shows the evaluation object image in an Example. It is a figure which shows the component element information in an Example. FIG. 6 is a diagram illustrating a data structure including a combination of colors included in a component and the number of pixels of that color. It is a figure which shows the data structure containing a component representative color. It is a figure which shows the data structure containing the combination with the color contained in a background element, and the pixel number of the color. It is a figure which shows the data structure containing a background element representative color. It is a figure which shows the data structure containing a degree of attraction. It is a figure which shows the data structure containing the relative importance of a component. It is a figure which shows the data structure containing the relative attractiveness of a component. It is a figure which shows the data structure containing the determination result by the color scheme appropriateness determination part. It is a graph which shows the evaluation result by a color arrangement evaluation apparatus.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In all the drawings, the same reference numerals are given to the same components, and the description will be omitted as appropriate.

[Embodiment 1]
FIG. 1 is a block diagram illustrating a color arrangement evaluation apparatus 2000 according to the first embodiment. In FIG. 1, the flow of arrows indicates the flow of information. Further, in FIG. 1, each block shows a functional unit configuration, not a hardware unit configuration.

  The color arrangement evaluation apparatus 2000 determines the validity of the color arrangement of each element included in the evaluation target image. The evaluation target image is information composed of a plurality of pixels. For example, the evaluation target image is an image such as a map or an illustration. In addition, for example, the evaluation target image is a screen displayed on the display. When the evaluation target image is a screen displayed on the display, the evaluation target image may be larger than the size of the display. For example, when browsing a web page with a web browser, the size of the web page may be larger than the size of the display, so that only part of the web page may be displayed on the display. In this case, the evaluation target image may be only a portion of the web page displayed on the display or the entire web page including a portion not displayed on the display.

<Color scheme information acquisition unit 2020>
The color arrangement evaluation apparatus 2000 includes a color arrangement information acquisition unit 2020. The color arrangement information acquisition unit 2020 acquires color arrangement information. The color arrangement information is information in which a combination of a pixel color and a pixel position in the evaluation target image is associated with each pixel included in the evaluation target image. The pixel position is, for example, the pixel coordinate when the horizontal direction of the image is represented as an X coordinate and the vertical direction of the image is represented as a Y coordinate.

  In the color arrangement information, for example, the position and color of the pixel are associated with the ID of each pixel. Here, each pixel can be uniquely identified by its position in the image. Therefore, the color arrangement information may treat the pixel position as the pixel ID. In this case, the color arrangement information is information in which the position of the pixel is associated with the color of the pixel specified at the position.

  For example, the color arrangement information is represented by a color arrangement information matrix 100 shown in FIG. This color arrangement information matrix represents the position of a pixel by a combination of “X coordinate, Y coordinate”. The color arrangement information matrix indicates the color of the pixel in a matrix element corresponding to the position of the pixel. For example, in FIG. 2, the matrix element with “X coordinate = 0, Y coordinate = 0” indicates #FFFFFF. This indicates that the color of the pixel whose position is “X coordinate = 0, Y coordinate = 0” is #FFFFFF.

  For example, the color arrangement information acquired by the color arrangement information acquisition unit 2020 is image data representing an evaluation target image. For example, the image data is data in a format such as a JPEG image or a bitmap image. Generally, image data has information indicating the color of each pixel constituting the image. Therefore, the color arrangement information acquisition unit 2020 can handle image data representing the evaluation target image as color arrangement information of the evaluation target image.

  Further, when the evaluation target image is a screen displayed on the display, the information acquired by the color arrangement information acquisition unit 2020 is information of each pixel constituting the screen. For example, information of each pixel displayed on the screen is stored in the video memory. In this case, the color arrangement information acquisition unit 2020 acquires information on each pixel constituting the screen, which is the evaluation target image, from the video memory, and handles the information as color arrangement information.

  The color arrangement information is not limited to the information in the above format. The color arrangement information acquisition unit 2020 may acquire color arrangement information created separately based on the evaluation target image instead of the image data representing the evaluation target image or the pixel information stored in the video memory.

  The color arrangement information acquisition unit 2020 may acquire color arrangement information stored in the color arrangement evaluation apparatus 2000, may acquire color arrangement information from another apparatus, or may be manually input color arrangement information. You may get it.

<Constituent element information acquisition unit 2040>
The color arrangement evaluation apparatus 2000 includes a component element information acquisition unit 2040. The component element information acquisition unit 2040 acquires component element information. The component information is information regarding each component included in the evaluation target image. The component is an area composed of a plurality of adjacent pixels among the pixels included in the evaluation target image. For example, when the evaluation target image is a map, the evaluation target image has a plurality of areas each representing a road or a building. Thus, the component is a region included in the evaluation target image.

  The component information is information in which the component information is associated with pixel information that identifies pixels included in the component and importance of the component. Pixel information is information which shows the position and shape of a component, for example. In this case, the pixel information is, for example, information that “the upper left coordinate is (10,10), the lower right coordinate is (20,20), and the shape is a rectangle”. With this information, it is possible to know which region in the evaluation target image the component is. In addition, for example, the pixel information indicates IDs of all the pixels included in the component.

  The importance of the component indicates the importance of the component in the evaluation target image. The importance of the component is set, for example, from the viewpoint of how important each component is for the user who browses the evaluation target image. The importance of the component is expressed by a score such as “100 points” or “30 points”, for example. In addition, for example, the importance of a component is represented by a value such as “+1” or “−3”, where the importance of a certain component is 0. However, the way of expressing the importance of the component is not limited to the above example.

  For example, the constituent element information is represented by a constituent element information table 200 shown in FIG. The component information table 200 has a component ID 202, pixel information 204, and importance 206. The component ID 202 indicates the ID of the component. Pixel information 204 indicates the pixel information described above. In FIG. 3, the pixel information indicates the position of each pixel included in the component. The importance 206 indicates the importance of the component. In FIG. 3, the importance is represented by a numerical value between 0 and 100.

  The constituent element information acquisition unit 2040 may acquire constituent element information stored in advance in the color arrangement evaluation apparatus 2000, may acquire constituent element information from another apparatus, or may be configured manually. Element information may be acquired.

<Constituent element representative color calculation unit 2060>
The color arrangement evaluation apparatus 2000 includes a component representative color calculation unit 2060. The component representative color calculation unit 2060 calculates a representative color of the component. The representative color of a certain area is, for example, a color that is considered to most accurately represent the area when the area is represented by one color. Therefore, the representative color of the component is one color that most accurately represents the component. Specific examples of representative colors will be described later.

  The constituent element representative color calculation unit 2060 acquires constituent element information corresponding to the constituent element to be calculated. Next, the component representative color calculation unit 2060 obtains color arrangement information corresponding to each pixel included in the calculation target component. Further, the component representative color calculation unit 2060 calculates a combination of the color included in the component to be calculated and the number of pixels having each color in the component. This combination is, for example, a combination such as “#FFFFFF, 100 pixels” or “# 0000E0, 30 pixels”. Then, the component representative color calculation unit 2060 calculates the representative color of the component to be calculated based on this combination.

<Background Element Representative Color Calculation Unit 2080>
The color arrangement evaluation apparatus 2000 includes a background element representative color calculation unit 2080. The background element representative color calculation unit 2080 calculates a background representative color. The background representative color is a representative color of the background element of the component. The background element of the component is a region composed of pixels not included in the component among the pixels included in the evaluation target image. In addition, the background element of a component includes a pixel adjacent to the component.

  The background element representative color calculation unit 2080 calculates the representative color of the background element by a method similar to the method by which the component element representative color calculation unit 2060 calculates the component element representative color. Specifically, the background element representative color calculation unit 2080 calculates the combination of each color included in the background element and the number of pixels in which each color is used in the background element, using the component element information and the color arrangement information. Based on this calculation result, the background element representative color calculation unit 2080 calculates a background element representative color.

<Attraction calculation unit 2100>
The color arrangement evaluation apparatus 2000 includes an attractiveness calculation unit 2100. The attractiveness calculation unit 2100
Based on the constituent element representative color of the constituent element and the background representative color of the background element corresponding to the constituent element, the degree of attraction of the constituent element is calculated. The degree of attraction of a component is a value indicating the ease of visual attention of the component.

<Color scheme appropriateness determination unit 2120>
The color arrangement evaluation apparatus 2000 includes a color arrangement appropriateness determination unit 2120. The color scheme appropriateness determining unit 2120 determines that the color scheme applied to the constituent element is appropriate when the importance degree of the constituent element matches the attracting degree of the constituent element. This will be specifically described below.

  The color scheme appropriateness determination unit 2120 uses relative importance for the determination. The relative importance is a relative value obtained by comparing the importance of the determination target component with the importance of each of the other components.

  In addition, the coloration appropriateness determination unit 2120 uses the relative attractiveness for the determination. The relative attractiveness is a relative value obtained by comparing the attractiveness of the component to be determined with the attractiveness of the other components.

  The color scheme appropriateness determination unit 2120 compares the relative importance and the relative attractiveness of the constituent elements, and when the importance indicated by the relative importance matches the attractiveness indicated by the relative attractiveness, It is determined that the color scheme applied to the component is appropriate.

<Hardware configuration>
Each functional component included in the color arrangement evaluation apparatus 2000 is realized as at least one hardware component, for example, individually or in a combined state. In addition, for example, each functional component is realized as at least one software component. In addition, for example, each functional component is realized by a combination of hardware components and software components.

  FIG. 4 is a block diagram illustrating a hardware configuration of the color arrangement evaluation apparatus 2000. In FIG. 4, the color arrangement evaluation apparatus 2000 includes a bus 1020, a processor 1040, a memory 1060, and a storage 1080. However, the hardware configuration of the color arrangement evaluation apparatus 2000 is not limited to the configuration shown in FIG.

  The bus 1020 is a data transmission path for the processor 1040, the memory 1060, and the storage 1080 to transmit / receive data to / from each other. The processor 1040 is an arithmetic processing unit such as a CPU (Central Processing Unit) or a GPU (Graphics Processing Unit). The memory 1060 is a memory such as a RAM (Random Access Memory) or a ROM (Read Only Memory). The storage 1080 is a storage device such as a hard disk, a USB (Universal Serial Bus) memory, or an SSD (Solid State Drive). The storage 1080 may be a memory such as a RAM or a ROM.

  The color arrangement information acquisition module 1220 is a program for causing the color arrangement evaluation device 2000 to have the function of the color arrangement information acquisition unit 2020. The processor 1040 implements the function of the color arrangement information acquisition unit 2020 by executing the color arrangement information acquisition module 1220.

  The component element information acquisition module 1240 is a program for causing the color arrangement evaluation apparatus 2000 to have the function of the component element information acquisition unit 2040. The processor 1040 implements the function of the component information acquisition unit 2040 by executing the component information acquisition module 1240.

  The component element representative color calculation module 1260 is a program for causing the color arrangement evaluation apparatus 2000 to have the function of the component element representative color calculation unit 2060. The processor 1040 implements the function of the component representative color calculation unit 2060 by executing the component representative color calculation module 1260.

  The background element representative color calculation module 1280 is a program for causing the color arrangement evaluation apparatus 2000 to have the function of the background element representative color calculation unit 2080. The processor 1040 executes the background element representative color calculation module 1280 to realize the function of the background element representative color calculation unit 2080.

  The attractiveness calculation module 1300 is a program for causing the color arrangement evaluation device 2000 to have the function of the attractiveness calculation unit 2100. The processor 1040 implements the function of the attraction level calculation unit 2100 by executing the attraction level calculation module 1300.

  The color arrangement validity determination module 1320 is a program for causing the color arrangement evaluation apparatus 2000 to have the function of the color arrangement appropriateness determination unit 2120. The processor 1040 implements the function of the color scheme appropriateness determination unit 2120 by executing the color scheme appropriateness determination module 1320.

<Process flow>
FIG. 5 is a flowchart showing a flow of processing performed by the color arrangement evaluation apparatus 2000 according to the first embodiment. In FIG. 5, the color arrangement evaluation device 2000 determines whether or not the color arrangement applied to the component i is appropriate.

  In step S102, the color arrangement information acquisition unit 2020 acquires color arrangement information. In step S104, the component element information acquisition unit 2040 acquires component element information of each component element.

  Steps S106 to S114 are loop processing A performed for each component included in the evaluation target image. In step S106, the color arrangement evaluation apparatus 2000 determines whether or not the loop process A has been performed on all the components. When the loop process A is performed for all the components, the process in FIG. 4 proceeds to step S116. On the other hand, when there is a component that is not yet the object of the loop processing A, the color arrangement evaluation apparatus 2000 selects one of them. Here, the selected component is denoted as component j.

  In step S108, the constituent element representative color calculation unit 2060 calculates the representative color of the constituent element j. In step S110, the background element representative color calculation unit 2080 calculates the background element representative color of the background element of the component j. In step S112, the attractiveness calculation unit 2100 calculates the attractiveness of the component j.

  Step S114 is the end of loop processing A. The processing in FIG. 4 returns to step S106.

  In step S116, the color arrangement validity determination unit 2120 determines whether or not the color arrangement of the component i is appropriate.

  Here, the color arrangement appropriateness determination unit 2120 may determine the adequacy of the color arrangement for each of a plurality of components included in the color arrangement evaluation apparatus 2000. In this case, the color scheme appropriateness determining unit 2120 performs the process of step S116 for each of the plurality of components.

  With the above configuration, according to the color arrangement evaluation apparatus 2000, when the importance of the component included in the evaluation target image matches the degree of conspicuousness (attraction degree) of the component, the component It is judged that the color scheme applied to is appropriate. Thereby, it is possible to know whether or not each component included in the evaluation target image has a color scheme that matches the importance.

  Hereinafter, the color arrangement evaluation apparatus 2000 of this embodiment will be described in further detail.

<Details of how to calculate the degree of attraction>
A specific method by which the attraction degree calculation unit 2100 calculates the attraction degree will be described. For example, the degree-of-attraction calculation unit 2100 calculates a value indicating the ease of visual attention as a component, and sets the calculated value as the degree of attraction of the component. Hereinafter, a value indicating the ease of drawing visual attention as a single component will be referred to as a single attraction degree.

  The attractiveness calculation unit 2100 calculates the single attractiveness of a component using the component representative color of the component and the background element representative color of the background of the component. For example, the attractiveness calculating unit 2100 calculates the single attractiveness of the component using the hue, brightness, and saturation of the component representative color and the brightness of the background representative color. The specific method is as follows, for example.

First, the attractiveness calculation unit 2100 converts the component representative colors into the HLS color system. Then, the attractiveness calculation unit 2100 calculates the conspicuousness He caused by the hue H of the component representative color using Equation 1.

Further, the attractiveness calculating unit 2100 calculates the conspicuousness R resulting from the lightness L of the component representative color using Expression 2. In Equation 3, LB is the brightness of the background element representative color. In Equation 2, k, m, and n are constants. For example, the attractiveness calculation unit 2100 uses k = 0.65, m = 0.4, and n = 0.2.

Then, the attractiveness calculation unit 2100 calculates the single attractiveness PC of the component using Equation 3. S is the saturation of the component representative color.

<Details of representative color calculation method>
A specific method in which the component element representative color calculation unit 2060 and the background element representative color calculation unit 2080 calculate a representative color will be described. Here, the component element representative color calculation unit 2060 and the background element representative color calculation unit 2080 calculate a representative color by the same method. Hereinafter, a method for calculating the component representative color performed by the component representative color calculation unit 2060 will be described as an example.

  For example, the component representative color calculation unit 2060 sets the average value of colors included in the component as the component representative color. For example, the component representative color calculation unit 2060 calculates the average value of the colors included in the component as follows.

First, the component representative color calculation unit 2060 converts each color included in the component into the CIE L * a * b * color system. In the CIE L * a * b * color system, each color is defined by a combination of three values: L * value, a * value, and * b value. Then, the component representative color calculation unit 2060 uses the following Expression 4, and L (i), a (i), which are the L * value, the a * value, and the b * value of the representative color of the component i. And b (i) are calculated respectively. In Equation 4, set U is a set of color IDs included in the constituent elements. j is the color ID. n (j) represents the number of pixels that are included in component i and have color j. L (j), a (j), and b (j) are the L * value, a * value, and b * value of color j, respectively.

  In addition, for example, the component representative color calculation unit 2060 sets a color having the highest degree of attraction among the colors included in the component as the representative color of the component.

  As described above, the background element representative color calculation unit 2080 calculates the representative color of the background element by a method similar to the method by which the component element representative color calculation unit 2060 calculates the representative color of the component element.

<Details of Determination by Coloration Validity Determination Unit 2120>
The processing performed by the color scheme appropriateness determining unit 2120 will be specifically described. First, the relative importance of the components used by the color scheme appropriateness determination unit 2120 will be described.

  The relative importance of a component is, for example, the rank of the component when the components are sorted with respect to the magnitude of importance. For example, it is assumed that the importance of the component A is 30, the importance of the component B is 10, and the importance of the component C is 50. In this case, when the components A to C are sorted in ascending order of importance, the order becomes “B, A, C”. In this case, the relative importance of the component A is 2, the relative importance of the component B is 1, and the relative importance of the component C is 3.

  In addition, for example, the relative importance of the component is a value obtained by normalizing the importance so that the relative importance of the component having the highest importance is 1. For example, in the case of the above-described example, the importance of all the components is divided by 50 so that the importance of the component C is 1. As a result, the relative importance of component A is 0.6, the relative importance of component B is 0.2, and the relative importance of component C is 1.

  Here, when the component element information indicates the importance of each component as a relative value, for example, the color scheme appropriateness determination unit 2120 includes the component element information of the component in the relative importance of the component. The importance shown may be used as it is.

  Next, the relative attractiveness of the components will be described. The color scheme appropriateness determination unit 2120 represents the relative attractiveness, for example, in the same manner as the relative importance. For example, the coloration appropriateness determination unit 2120 sets the rank of the component when the component is sorted with respect to the size of the attractiveness as the relative attractiveness of the component. In addition, for example, the relative attractiveness of the component is a value obtained by normalizing the attractiveness so that the relative attractiveness of the component having the highest attractiveness is 1.

  As described above, the color arrangement validity determination unit 2120 determines the validity of the color arrangement applied to the component by comparing the relative attractiveness of the component with the relative importance. When the relative attractiveness and the relative importance are calculated as ranks, for example, the color scheme appropriateness determining unit 2120 matches the rank indicated by the relative attractiveness of the component and the rank indicated by the relative importance of the component. In this case, it is determined that the color scheme applied to the component is appropriate.

  In addition to the comparison between the relative importance level and the relative attractiveness level, the color scheme appropriateness determination unit 2120 may perform the following processing to determine the appropriateness of the color scheme applied to the components. The coloration appropriateness determination unit 2120 calculates an index value indicating the ratio between the degree of attraction and the importance for each component. Then, the color scheme appropriateness determining unit 2120 further considers the degree of coincidence of the index values calculated for each component, and determines the validity of the color scheme applied to the component. A specific example of the process of the color arrangement appropriateness determination unit 2120 is as follows.

  First, the color scheme appropriateness determination unit 2120 determines whether or not the relative importance of each component matches the relative importance. Then, the coloration appropriateness determination unit 2120 further performs the following determination when the relative importance and the relative attractiveness are the same for all the components.

  First, the color scheme appropriateness determining unit 2120 calculates an index value obtained by dividing the attractiveness by the importance for each component. Then, the degree of coincidence between the index values calculated for each component is compared. For example, the color scheme appropriateness determining unit 2120 sets the index value calculated for the component with the highest degree of attraction as the reference index value. Then, it is determined whether or not the difference between the index value calculated for each component and the reference index value is equal to or less than a predetermined value.

  For example, if the difference between the index value calculated for a certain component and the reference index value is less than or equal to a predetermined value, the color scheme appropriateness determining unit 2120 determines that the color scheme applied to that component is valid. . On the other hand, when the difference between the index value calculated for a certain component and the reference index value is greater than a predetermined value, the color scheme appropriateness determining unit 2120 determines that the color scheme applied to that component is not valid.

<Action and effect>
With the above configuration, according to the color arrangement evaluation apparatus 2000 of the present embodiment, the importance of the component included in the evaluation target image matches the degree of conspicuousness (attraction) of the component. In addition, it is determined that the color scheme applied to the components is appropriate. Thereby, when comparing the degree of attraction and the importance of each component included in the evaluation target image, whether or not the color scheme of the conspicuousness matching the importance is applied to the component is configured. You can know for each element.

[Embodiment 2]
FIG. 6 is a block diagram illustrating a color arrangement evaluation apparatus 2000 according to the second embodiment. In FIG. 6, the flow of arrows indicates the flow of information. Further, in FIG. 6, each block shows a functional unit configuration, not a hardware unit configuration.

<Overall representative color calculation unit 2140>
The color arrangement evaluation apparatus 2000 according to the second embodiment includes an overall representative color calculation unit 2140. The overall representative color calculation unit 2140 calculates an overall representative color. The overall representative color is a representative color of the entire evaluation target image. That is, the overall representative color is a color that is considered to represent the evaluation target image most accurately when the evaluation target image is expressed as one color.

  The overall representative color calculation unit 2140 acquires the color of each pixel included in the evaluation target image using the color arrangement information. Then, the overall representative color calculation unit 2140 calculates a combination of each color included in the evaluation target image and the number of pixels having each color in the evaluation target image. Based on this combination, the representative color of the evaluation target image is calculated.

  A specific method by which the overall representative color calculation unit 2140 calculates the overall representative color is the same as the method by which the component representative color calculation unit 2060 calculates the component representative color.

<Attraction calculation unit 2100>
The attractiveness calculating means calculates the attractiveness of the component by further using the overall representative color in addition to the component representative color and the background element representative color. Specifically, the attraction degree calculation unit 2100 calculates a degree of heterogeneity attraction in addition to the single degree of attraction described in the first embodiment. The degree of heterogeneity attraction of a component is a value representing the ease of visual attention of the component when the color of the component is compared with the color of another component.

A specific method by which the degree of attraction calculation unit 2100 calculates the degree of attraction of heterogeneity is, for example, the method shown below. First, the attractiveness calculation unit 2100 converts the representative color of each component into the CIE L * a * b * color system. Further, the attractiveness calculation unit 2100 calculates a distance d (hereinafter referred to as a color space distance) on the color space between the component representative color and the overall representative color for each component. Then, the attractiveness calculation unit 2100 calculates the heterogeneity attractiveness HC (i) of the component i by applying the calculated distance d in the color space to the following Equation 5. In Equation 5, d (i) is a color space distance between the component representative color of the component i and the overall representative color. dm is an average value of the color space distance between the component representative color of each component and the overall representative color. std is a standard deviation of the color space distance between the component representative color of each component and the overall representative color.

  The attractiveness calculating unit 2100 calculates the attractiveness of the component using the single attractiveness and the heterogeneous attractiveness of the component. For example, the attractiveness calculation unit 2100 calculates the attractiveness by adding the single attractiveness and the heterogeneous attractiveness of the constituent elements. In addition, the attractiveness calculating unit 2100 may calculate the attractiveness by adding an appropriate weighting coefficient to each of the single attractiveness and the heterogeneous attractiveness. By this weighting, it is possible to set a ratio that places importance on the degree of single attraction and the degree of attraction for heterogeneity.

<Action and effect>
As described above, according to the color arrangement evaluation apparatus 2000 of the present embodiment, the degree of conspicuousness of the constituent element is calculated in further consideration of the degree of heterogeneity attractiveness of the constituent element. Thereby, the ease of drawing the visual attention of the component is evaluated based on more criteria.

[Embodiment 3]

  The color arrangement evaluation apparatus 2000 according to the third embodiment has the same configuration as the color arrangement evaluation apparatus according to the second embodiment.

  In the color arrangement evaluation apparatus 2000 according to the third embodiment, there is a hierarchical structure relationship between the constituent elements included in the evaluation target image. Specifically, the second component that includes the first component is the parent of the first component. Here, the second constituent element including the first constituent element is referred to as a parent element of the first constituent element. The first component included in the second component is referred to as a child element of the second component.

  FIG. 7 is a diagram illustrating a hierarchical structure between components. The upper part of FIG. 7 shows an evaluation target image. In this example, the evaluation target image is a screen A including a window W1 and a window W2. The window W1 includes a button B1 and a text box T1. The window W2 includes a button B2 and a text box T2. The components included in the screen A have a hierarchical structure shown in the lower part of FIG.

  Here, the height in the hierarchical structure is a distance in the hierarchical structure between each component and the evaluation target image when the height of the evaluation target image is 0, for example.

<Component information>
The component information includes information indicating the position of the component when the component of the evaluation target image is represented in a hierarchical structure. Hereinafter, this information is expressed as hierarchical information. The hierarchical information of the constituent element indicates, for example, a parent element, a child element, or both of the constituent element. In addition, for example, the hierarchical information of the component indicates the height in the hierarchical structure.

<Attraction calculation unit 2100>
The attraction degree calculation unit 2100 calculates the degree of heterogeneity attraction of a component by comparing the component with some of the components included in the evaluation target image.

  Specifically, the attractiveness calculation unit 2100 calculates the heterogeneity attractiveness of the component by any of the following methods. The first method is a method of calculating a degree of heterogeneity by comparing a component to be calculated with only a component having the same parent element as the component. For example, in the example of FIG. 7, it is assumed that the color arrangement evaluation apparatus 2000 performs an evaluation related to the text box T1. Here, the parent element of the text box T1 is the window W1. Therefore, the attractiveness calculation unit 2100 calculates the heterogeneity attractiveness of the text box T1 by comparing the text box T1 and the button B1 whose window W1 is a parent element.

  The second method is a method of calculating the degree of heterogeneity by comparing the calculation target component with only the component having the same height in the hierarchical structure as the component. For example, in the example of FIG. 7, it is assumed that the color arrangement evaluation apparatus 2000 performs an evaluation related to the text box T1. Here, the height of the text box T1 is 2. Therefore, in this case, the attractiveness calculation unit 2100 compares the text box T1, the button B1, the text box T2, and the button B2 having a height of 2, and calculates the heterogeneity attractiveness of the text box T1.

  When the attractiveness calculation unit 2100 is implemented so that both the first method and the second method can be used, for example, the attractiveness calculation unit 2100 can determine which of the first method and the second method. To determine whether to make a determination. For example, the attractiveness calculation unit 2100 accepts a setting indicating which of the first method and the second method is used. Then, the attractiveness calculation unit 2100 uses a set method.

  In addition, for example, the attraction degree calculation unit 2100 may determine whether to use the first method or the second method based on the hierarchical information indicated by the component element information. For example, when the parent element of the constituent element is indicated in the hierarchical information of the constituent element information, the attraction degree calculation unit 2100 uses the first method. On the other hand, when the hierarchical information of the constituent element information indicates the height of the constituent element in the hierarchical structure, the attraction degree calculation unit 2100 uses the second method.

<Color scheme appropriateness determination unit 2120>
The color scheme appropriateness determining unit 2120 compares the constituent elements with some constituent elements included in the evaluation target image and calculates the relative importance and the relative attractiveness. And the validity of the color scheme given to the component is determined using the relative importance and the relative attractiveness.

  Specifically, the color scheme appropriateness determining unit 2120 calculates the relative importance and the relative attractiveness used for the determination by any of the following methods. The first method is a method of calculating the relative importance and the relative attractiveness by comparing the component to be determined with only the component having the same parent element as the component. For example, in the example of FIG. 7, it is assumed that the color arrangement evaluation apparatus 2000 performs an evaluation related to the text box T1. Here, the parent element of the text box T1 is the window W1. Therefore, the color scheme appropriateness determining unit 2120 compares the text box T1 and the button B1 in which the window W1 is a parent element, and calculates the relative importance and the relative attractiveness.

  The second method is a method of calculating the relative importance level and the relative attractiveness level by comparing the component to be determined only with the component having the same height in the hierarchical structure as the component. For example, in the example of FIG. 7, it is assumed that the color arrangement evaluation apparatus 2000 performs an evaluation related to the text box T1. Here, the height of the text box T1 is 2. Therefore, in this case, the color scheme appropriateness determining unit 2120 compares the text box T1, the button B1, the text box T2, and the button B2 having a height of 2, and calculates the relative importance and the relative attractiveness.

  When the color scheme appropriateness determining unit 2120 is mounted so that both the first method and the second method can be used, for example, the color scheme appropriateness determining unit 2120 includes the first method and the second method. Which of these is to be used for determination is determined. The method is the same as the method in which the attractiveness calculation unit 2100 determines which of the first method and the second method is used.

  In addition, the coloration appropriateness determination unit 2120 may acquire information representing another constituent element compared with the constituent element when calculating the heterogeneity attractiveness degree of the constituent element from the attractiveness calculating section 2100. Then, the attractiveness calculation unit 2100 compares the relative importance and relative attractiveness of the component with each component compared when the attractiveness calculation unit 2100 calculates the heterogeneity attractiveness of the component. Calculate with

<Action and effect>
As described above, according to the present embodiment, when evaluating the validity of the color scheme applied to the component, the component is compared with some of the components included in the evaluation target image, and the evaluation is performed. Do. Thereby, paying attention to a part of the evaluation target image, it is possible to evaluate the validity of the color arrangement of the constituent elements. For example, in the image of a poster on which a map is described, it is possible to evaluate the validity of the color arrangement by focusing on only the portion of the map, not the entire poster.

<Example>
Hereinafter, the operation of the color arrangement evaluation apparatus 2000 will be described using examples. The evaluation target image in the present embodiment is a map 30 shown in FIG. In the map 30, the constituent elements are a destination 31, a nearest station & track 32, and a landmark 33. Here, although the color arrangement is not applied to each component in FIG. 8, the following color arrangement is actually applied to each component. The destination 31 is decorated with diagonal lines of # FF0000 color on the base of # FF99CC color. The color of the nearest station & track 32 is # 0000FF. The color of the landmark 33 is # FF99CC. The color representing the road 34 is # FF9933. Furthermore, the color of the part other than the above is #FFFFFF.

  The color arrangement information acquisition unit 2020 acquires color arrangement information. Here, the color arrangement information in the first embodiment is the same as the color arrangement information shown in FIG. The component information acquisition unit 2040 acquires the component information shown in FIG. The component information includes information related to the destination 31, the nearest station & track 32, and the landmark 33. In this example, the road 34 is not counted as one of the components but is treated as a background. Therefore, the component element information does not include information regarding the road 34. Note that the component element information of the present embodiment includes an item of component element name in addition to the component element ID, pixel information, and importance.

  Here, the shape of the nearest station & track 32 is difficult to express with a simple shape such as a rectangle. Therefore, the pixel information 204 indicated by the component information in this example indicates the position of each pixel included in the component.

  The component element information is a value indicating which information is important for the user viewing the map 30. The most important information for the user viewing the map is considered to be the destination. Further, the nearest station that is likely to be the starting point of the user is considered to be the next most important after the destination. Landmark information is important, but is considered to be less important than the above two. In the component element information shown in FIG. 9, the importance of the destination 31 is 100, the importance of the nearest station & track 32 is 70, and the importance of the landmark 33 is 60. Indicates the importance reflected.

  The component representative color calculation unit 2060 calculates the component representative colors of the destination 31, the nearest station & track 32, and the landmark 33. FIG. 10 is a diagram illustrating a data structure including a combination of the colors included in the component and the number of pixels of the color calculated by the component element representative color calculation unit 2060 from the color arrangement information and the component element information. For example, the destination 31 includes 1000 pixels of color # FF99CC and 500 pixels of pixel # FF0000.

  Then, the constituent element representative color calculation unit 2060 calculates the constituent element representative color of each constituent element with reference to the data structure shown in FIG. FIG. 11 is a diagram illustrating a data structure including a component representative color calculated by the component representative color calculation unit 2060. The component representative color # FF749B of the destination 31 is a weighted average calculated by weighting the two colors # FF99CC and # FF0000 with the number of pixels. In the case of other constituent elements, since the colors of all the included pixels are the same, the constituent element representative colors are the same as those shown in FIG.

  The background element representative color calculation unit 2080 calculates a background element representative color for each component. First, the background element representative color calculation unit 2080 calculates the combination of the color included in the background element of each component and the number of pixels of that color. FIG. 12 is a diagram showing a data structure including a combination of the color included in the background element and the number of pixels of the color calculated by the background element representative color calculation unit 2080.

  Then, the background element representative color calculation unit 2080 calculates the representative color of the background element of each component with reference to the data structure shown in FIG. FIG. 13 is a diagram showing a data structure including the background element representative color calculated by the background element representative color calculation unit 2080. # FFCAA7, which is the representative background color of the destination 31, is a weighted average calculated by weighting the two colors #FFFFFF and # FF9933 with the number of pixels. Similar calculations are performed for the representative background colors of the other components.

  Next, the overall representative color calculation unit 2140 calculates an overall representative color that is the representative color of the entire evaluation target screen. In this example, the overall representative color is # F0D2D7.

  The attractiveness calculation unit 2100 calculates the attractiveness of each component using the component element representative color, the background element representative color, and the overall representative color. The attractiveness calculating unit 2100 calculates the attractiveness of the constituent element by adding the single attractiveness degree and the heterogeneous attractiveness degree of the constituent element. The attractiveness calculating unit 2100 calculates the attractiveness using the hue, saturation, and lightness of the component representative colors and the lightness of the representative background color representative colors. The degree of heterogeneity attracting is calculated by calculating a color difference that is a color space distance between the overall representative color and the component representative color. FIG. 14 is a diagram illustrating a data structure including the degree of attraction calculated by the degree of attraction calculation unit 2100. It should be noted that the single degree of attraction and the degree of attraction of heterogeneity in the present embodiment are not necessarily values calculated using the above-described formulas.

  In the present embodiment, the destination 31 has a single degree of conspicuousness of 3.0, the nearest station & track 32 has a single degree of attractiveness of 2.7, and the landmark 33 has a single degree of attractiveness of 2.3. In addition, the feature appeal of the destination 31 is 1.7, the feature appeal of the nearest station & track 32 is 2.1, and the feature appeal of the landmark 33 is 0.6. As a result, the destination 31 has an attractiveness of 4.7, the nearest station & track 32 has an attractiveness of 4.8, and the landmark 33 has an attractiveness of 2.9. In this way, each element that takes into account the balance of colors when viewed as a whole screen, as well as the visibility of the element as a single color, by making the degree of heterogeneity an element of attraction. Can be quantified.

  The color scheme appropriateness determination unit 2120 calculates the relative importance of each component using the importance included in the component information. In the present embodiment, the relative importance is the rank of each component when the components are sorted in order of importance. FIG. 15 is a diagram illustrating a data structure including the relative importance of each component calculated by the color scheme appropriateness determining unit 2120.

  Further, the color scheme appropriateness determining unit 2120 calculates the relative attractiveness of each component using the attractiveness calculated by the attractiveness calculating unit 2100 shown in FIG. In the present embodiment, the relative attractiveness is the rank of each structural element when the structural elements are sorted in the order of the attractiveness. FIG. 16 is a diagram illustrating a data structure including the relative attractiveness of each component calculated by the color scheme appropriateness determining unit 2120.

  The color arrangement appropriateness determination unit 2120 determines the adequacy of the color arrangement of each component by comparing the relative importance of the component and the relative attractiveness. The color arrangement appropriateness determination unit 2120 according to the present embodiment sets the determination result to “Yes” when the relative importance of the constituent elements matches the relative attractiveness. A determination result of “OK” indicates that the color scheme of the constituent elements is appropriate. On the other hand, the coloration appropriateness determination unit 2120 sets the determination result to “No” when the relative importance of the constituent elements does not match the relative attractiveness. A determination result of “No” indicates that the color scheme of the component is not valid.

  FIG. 17 is a diagram illustrating a data structure including a determination result by the color scheme appropriateness determination unit 2120. The relative attractiveness of the destination 31 is 2, whereas the relative importance of the destination 31 is 1. Therefore, the color scheme appropriateness determination unit 2120 sets the determination result of the destination 31 as “No”. Similarly, since the relative attractiveness and relative importance of the nearest station & track 32 do not match, the coloration appropriateness determination unit 2120 sets the determination result of the nearest station & track 32 as “No”. On the other hand, the relative attractiveness and relative importance of the landmark 33 are both 3 and coincide. Therefore, the color scheme appropriateness determination unit 2120 sets the determination result of the landmark 33 to “OK”.

  From this result, the user of the color arrangement evaluation device 2000 can know that it is necessary to reexamine the color arrangement method of the destination 31 and the nearest station & track 32 on the map 30.

  The color scheme appropriateness determining unit 2120 may have a function of outputting a determination result in the form of a graph as shown in FIG. In FIG. 18, an element having a higher importance has a larger position on the X axis. Further, the Y axis represents the degree of attractiveness. A circle on the graph indicates that the relative importance and the relative attractiveness coincide with each other. On the other hand, a cross mark on the graph indicates that the relative importance does not match the relative attractiveness.

  The color arrangement evaluation apparatus 2000 operates as in this embodiment, for example, and determines whether the degree of attraction when compared with other components matches the importance for each component. As a result, when the image is viewed as a whole, it is evaluated for each component whether or not the conspicuousness of each component matches the importance of each component.

  As mentioned above, although embodiment of this invention was described with reference to drawings, these are illustrations of this invention, The combination of the said embodiment and various structures other than the said embodiment can also be employ | adopted.

Hereinafter, examples of the reference form will be added.
1. Color arrangement information acquisition means for acquiring color arrangement information, which is information in which a combination of pixel color and position is associated with each pixel included in the evaluation target image;
Among the pixels included in the image to be evaluated, a pixel that specifies the importance of the component and the pixel included in the component with respect to the component that is an area composed of a plurality of adjacent pixels Component information acquisition means for acquiring component element information that is information associated with information;
For the component, the color of each pixel included in the component is obtained using the color arrangement information, and the representative of the component based on the combination of each color and the number of pixels having each color in the component A component representative color calculating means for calculating a color;
For the background element corresponding to the component, obtain the color of each pixel included in the background element using the color scheme information, and based on the combination of each color and the number of pixels having each color in the background element, A background element representative color calculating means for calculating a representative color of the background element;
Based on the constituent element representative color of the constituent element and the background representative color of the background element corresponding to the constituent element, the degree of attraction that is a value indicating the ease of visual attention of the constituent element is calculated. An attractiveness calculating means;
Relative importance, which is a relative value comparing the importance of the component with the importance of each component other than the component, and the degree of attraction of the component with the degree of attraction of each component other than the component Comparing the relative attractiveness, which is a relative value, to determine whether the color scheme applied to the component is valid,
Have
The color arrangement evaluation apparatus, wherein the background element corresponding to the component is a region other than the component and includes a pixel adjacent to the component.
2. The color scheme appropriateness determining means includes
The relative importance of the component to be calculated is the rank of the component when the components are sorted in the order of the importance.
The relative attractiveness of the calculated component is the rank of the component when the components are sorted in the order of the attractiveness. The color scheme evaluation apparatus described in 1.
3. The color scheme appropriateness determining means calculates an index value indicating a ratio between the degree of attraction and the importance for each of the components, and further considers the degree of coincidence between the index values calculated for the components. To determine whether or not the color scheme applied to the component is appropriate. Or 2. The color scheme evaluation apparatus described in 1.
4). The attractiveness calculating means calculates the attractiveness using the hue, saturation, and lightness of the component representative colors and the lightness of the background representative colors. To 3. The color arrangement evaluation apparatus according to any one of the above.
5. The component element representative color calculating means or the background element representative color calculating means calculates a weighted average from each color included in the calculation target area, weighted by the number of pixels having each color in the area, and the weight Let the average with a representative color of the region. To 4. The color arrangement evaluation apparatus according to any one of the above.
6). The component element representative color calculating unit or the background element representative color calculating unit calculates the degree of attraction for each color included in the calculation target area, and sets the color with the highest degree of attraction calculated as the representative color of the area. 1. To 4. The color arrangement evaluation apparatus according to any one of the above.
7). For the entire evaluation target image, obtain the color of each pixel included in the evaluation target image using the color arrangement information, and based on the combination of each color and the number of pixels having each color in the evaluation target image, An overall representative color calculating means for calculating a representative color of the evaluation target image;
The attraction degree calculating means includes:
Further using an overall representative color that is the overall representative color of the evaluation target image,
Using the single degree of conspicuousness calculated by comparing the constituent element representative color with the background representative color and the heterogeneous degree of connotation calculated by comparing the constituent element representative color with the overall representative color, the configuration Calculate the degree of attraction of an element. To 6. The color arrangement evaluation apparatus according to any one of the above.
8). The attraction degree calculating means calculates the degree of attraction of heterogeneity using a distance between the component element representative color and the overall representative color in a color space. The color scheme evaluation apparatus described in 1.
9. The overall representative color calculation means calculates a weighted average weighted by the number of pixels having each color in the evaluation target image from each color included in the evaluation target image, and the weighted average is calculated as the evaluation target image. The overall representative color of Or 8. The color scheme evaluation apparatus described in 1.
10. The overall representative color calculating means calculates the degree of attraction for each color included in each color included in the evaluation target image, and sets the color with the highest calculated degree of attraction as the overall representative color of the evaluation target image. . Or 8. The color scheme evaluation apparatus described in 1.
11. Between the components, there is a hierarchical structure relationship in which the second component including the first component is the parent element of the first component,
The component information corresponding to the component indicates the position of the component in the hierarchical structure,
The degree of attraction calculation means the degree of heterogeneity of the component when the component and the component having the same parent element as the component, or the parent-child relationship between the components as a hierarchical structure By comparing only the components located in the same level as the component, the degree of heterogeneity of the component is calculated,
The color scheme appropriateness determining means determines whether the color scheme applied to the component is valid, a component having the same parent element as the component, or a height in the hierarchical structure as the component. Judgment is made using the relative importance and the relative attractiveness calculated in comparison with only the same components. To 10. The color arrangement evaluation apparatus according to any one of the above.
12 A color scheme evaluation method executed by a computer,
A color arrangement information acquisition step for acquiring color arrangement information, which is information in which a combination of a pixel color and a position is associated with each pixel included in the evaluation target image;
Among the pixels included in the image to be evaluated, a pixel that specifies the importance of the component and the pixel included in the component with respect to the component that is an area composed of a plurality of adjacent pixels A component element information acquisition step of acquiring component element information, which is information associated with information;
For the component, the color of each pixel included in the component is obtained using the color arrangement information, and the representative of the component based on the combination of each color and the number of pixels having each color in the component A component representative color calculation step for calculating a color;
For the background element corresponding to the component, obtain the color of each pixel included in the background element using the color scheme information, and based on the combination of each color and the number of pixels having each color in the background element, A background element representative color calculating step for calculating a representative color of the background element;
Based on the constituent element representative color of the constituent element and the background representative color of the background element corresponding to the constituent element, the degree of attraction that is a value indicating the ease of visual attention of the constituent element is calculated. An attractiveness calculating step,
Relative importance, which is a relative value comparing the importance of the component with the importance of each component other than the component, and the degree of attraction of the component with the degree of attraction of each component other than the component A coloration validity determination step for determining whether or not the coloration applied to the component is appropriate by comparing the relative attractiveness that is a relative value
Have
The color scheme evaluation method, wherein the background element corresponding to the component is a region other than the component and includes a pixel adjacent to the component.
13. The color arrangement validity determination step includes:
The relative importance of the component to be calculated is the rank of the component when the components are sorted in the order of the importance.
The relative attractiveness of the component to be calculated is the rank of the component when the components are sorted in the order of the size of the attractiveness. The color scheme evaluation method described in 1.
14 The coloration validity determination step calculates an index value indicating a ratio between the degree of attraction and the importance for each of the components, and further considers the degree of coincidence between the index values calculated for each of the components. 12. Determine whether the color scheme applied to the component is valid; Or 13. The color scheme evaluation method described in 1.
15. The attractiveness calculating step calculates the attractiveness using the hue, saturation, and brightness of the component representative color and the brightness of the background representative color; To 14. The color scheme evaluation method according to any one of the above.
16. The component element representative color calculating step or the background element representative color calculating step calculates, from each color included in the calculation target area, a weighted average weighted by the number of pixels having each color in the area, and the weight 11. The weighted average is used as the representative color of the area. To 15. The color scheme evaluation method according to any one of the above.
17. In the component element representative color calculating step or the background element representative color calculating step, the degree of attraction is calculated for each color included in the calculation target area, and the calculated color with the highest degree of attraction is set as the representative color of the area. 12. To 15. The color scheme evaluation method according to any one of the above.
18. For the entire evaluation target image, obtain the color of each pixel included in the evaluation target image using the color arrangement information, and based on the combination of each color and the number of pixels having each color in the evaluation target image, An overall representative color calculating step for calculating a representative color of the evaluation target image;
The attraction degree calculating step includes:
Further using an overall representative color that is the overall representative color of the evaluation target image,
Using the single degree of conspicuousness calculated by comparing the constituent element representative color with the background representative color and the heterogeneous degree of connotation calculated by comparing the constituent element representative color with the overall representative color, the configuration 11. Calculate the degree of attraction of the element To 17. The color scheme evaluation method according to any one of the above.
19. In the attractiveness calculating step, the heterogeneous attractiveness is calculated using a distance between the component representative color and the overall representative color in a color space. The color scheme evaluation method described in 1.
20. The overall representative color calculating step calculates a weighted average weighted by the number of pixels having each color in the evaluation target image from each color included in the evaluation target image, and the weighted average is calculated as the evaluation target image. 18. Overall representative color. Or 19. The color scheme evaluation method described in 1.
21. The overall representative color calculating step calculates the degree of attraction for each color included in each color included in the evaluation target image, and sets the color with the highest calculated degree of attraction as the overall representative color of the evaluation target image. . Or 19. The color scheme evaluation apparatus described in 1.
22. Between the components, there is a hierarchical structure relationship in which the second component including the first component is the parent element of the first component,
The component information corresponding to the component indicates the position of the component in the hierarchical structure,
The degree of attraction calculation, and the degree of heterogeneity of the component when the component, the component having the same parent element as the component, or the parent-child relationship between the components are shown as a hierarchical structure By comparing only the components located in the same level as the component, the degree of heterogeneity of the component is calculated,
In the coloration validity determination step, whether or not the coloration applied to the component is appropriate is determined based on whether the component in the same parent element as the component or the height in the hierarchical structure is the component. 11. Judgment is made using the relative importance and the relative attractiveness calculated in comparison with only identical components. Thru 21. The color scheme evaluation method according to any one of the above.
23. A program for causing a computer to have a function of operating as a color arrangement evaluation device,
A color arrangement information acquisition function for acquiring color arrangement information, which is information in which a combination of pixel color and position is associated with each pixel included in the evaluation target image;
Among the pixels included in the image to be evaluated, a pixel that specifies the importance of the component and the pixel included in the component with respect to the component that is an area composed of a plurality of adjacent pixels A component element information acquisition function for acquiring component element information that is information associated with information;
For the component, the color of each pixel included in the component is obtained using the color arrangement information, and the representative of the component based on the combination of each color and the number of pixels having each color in the component A component representative color calculation function for calculating a color;
For the background element corresponding to the component, obtain the color of each pixel included in the background element using the color scheme information, and based on the combination of each color and the number of pixels having each color in the background element, A background element representative color calculation function for calculating a representative color of the background element;
Based on the constituent element representative color of the constituent element and the background representative color of the background element corresponding to the constituent element, the degree of attraction that is a value indicating the ease of visual attention of the constituent element is calculated. An attractiveness calculation function,
Relative importance, which is a relative value comparing the importance of the component with the importance of each component other than the component, and the degree of attraction of the component with the degree of attraction of each component other than the component Comparing the relative attractiveness that is a relative value, and determining whether or not the color scheme applied to the component is valid;
To the computer,
A program in which a background element corresponding to the component is a region other than the component and includes a pixel adjacent to the component.
24. The color scheme validity judgment function is
The relative importance of the component to be calculated is the rank of the component when the components are sorted in the order of the importance.
23. The relative attractiveness of the component to be calculated is the rank of the component when the components are sorted in the order of the size of the attractiveness. The program described in.
25. The coloration validity determination function calculates an index value indicating a ratio between the degree of attraction and the importance for each of the components, and further considers the degree of coincidence between the index values calculated for each of the components. Determining whether the color scheme applied to the component is valid; 23. Or 24. The program described in.
26. The attractiveness calculating function calculates the attractiveness using the hue, saturation, and brightness of the component representative colors and the brightness of the background representative colors; 23. To 25. The program according to any one of the above.
27. The component element representative color calculation function or the background element representative color calculation function calculates, from each color included in the calculation target area, a weighted average weighted by the number of pixels having each color in the area, and the weight 23. Use the weighted average as the representative color of the area. To 25. The program according to any one of the above.
28. The component element representative color calculation function or the background element representative color calculation function calculates the degree of attraction for each color included in the calculation target area, and sets the color having the highest degree of attraction calculated as the representative color of the area. 23. To 25. The program according to any one of the above.
29. For the entire evaluation target image, obtain the color of each pixel included in the evaluation target image using the color arrangement information, and based on the combination of each color and the number of pixels having each color in the evaluation target image, The computer further has an overall representative color calculation function for calculating a representative color of the evaluation target image,
The degree of attraction calculation function is
Further using an overall representative color that is the overall representative color of the evaluation target image,
Using the single degree of conspicuousness calculated by comparing the constituent element representative color with the background representative color and the heterogeneous degree of connotation calculated by comparing the constituent element representative color with the overall representative color, the configuration Calculating the degree of attraction of the element, 23. Thru 28. The program according to any one of the above.
30. The attractiveness calculation function calculates the heterogeneity attractiveness using a distance between the component representative colors and the overall representative colors in a color space. The program described in.
31. The overall representative color calculation function calculates a weighted average weighted by the number of pixels having each color in the evaluation target image from each color included in the evaluation target image, and the weighted average is calculated as the evaluation target image. 28. The overall representative color. Or 29. The program described in.
32. The overall representative color calculation function calculates the degree of attraction for each color included in each color included in the evaluation target image, and sets the color with the highest calculated degree of attraction as the overall representative color of the evaluation target image. . Or 29. The program described in.
33. Between the components, there is a hierarchical structure relationship in which the second component including the first component is the parent element of the first component,
The component information corresponding to the component indicates the position of the component in the hierarchical structure,
The attraction degree calculation function is the case where the heterogeneity attraction degree of the component is indicated as a hierarchical structure of the component and a component having the same parent element as the component or a parent-child relationship between the components. By comparing only the components located in the same level as the component, the degree of heterogeneity of the component is calculated,
The color scheme validity determining function determines whether the color scheme applied to the component is valid, a component having the same parent element as the component, or a height in the hierarchical structure as the component. 23. Judgment is made using the relative importance and the relative attractiveness calculated in comparison with only identical components. Thru 32. The program according to any one of the above.

30 Map 31 Destination 32 Nearest Station & Track 33 Landmark 34 Road 100 Color Arrangement Information Matrix 200 Component Information Table 202 Component ID
204 Pixel information 206 Importance 1020 Bus 1040 Processor 1060 Memory 1080 Storage 1220 Color arrangement information acquisition module 1240 Component element information acquisition module 1260 Component element representative color calculation module 1280 Background element representative color calculation module 1300 Attraction degree calculation module 1320 Color arrangement validity determination module 2000 Color Arrangement Evaluation Apparatus 2020 Color Arrangement Information Acquisition Unit 2040 Component Element Information Acquisition Unit 2060 Component Element Representative Color Calculation Unit 2080 Background Element Representative Color Calculation Unit 2100 Attraction Degree Calculation Unit 2120 Color Arrangement Validity Determination Unit 2140 Overall Representative Color Calculation Unit

Claims (10)

Color arrangement information acquisition means for acquiring color arrangement information, which is information in which each pixel included in the evaluation target image is associated with a combination of the color and position of the pixel;
Among the pixels included in the image to be evaluated, a pixel that specifies the importance of the component and the pixel included in the component with respect to the component that is an area composed of a plurality of adjacent pixels Component information acquisition means for acquiring component element information that is information associated with information;
For the component, the color of each pixel included in the component is obtained using the color arrangement information, and the representative of the component based on the combination of each color and the number of pixels having each color in the component A component representative color calculating means for calculating a color;
For the background element corresponding to the component, obtain the color of each pixel included in the background element using the color scheme information, and based on the combination of each color and the number of pixels having each color in the background element, A background element representative color calculating means for calculating a representative color of the background element;
Based on the constituent element representative color of the constituent element and the background representative color of the background element corresponding to the constituent element, the degree of attraction that is a value indicating the ease of visual attention of the constituent element is calculated. An attractiveness calculating means;
Relative importance, which is a relative value comparing the importance of the component with the importance of each component other than the component, and the degree of attraction of the component with the degree of attraction of each component other than the component Comparing the relative attractiveness, which is a relative value, to determine whether the color scheme applied to the component is valid,
Have
The color arrangement evaluation apparatus, wherein the background element corresponding to the component is a region other than the component and includes a pixel adjacent to the component. The color scheme appropriateness determining means includes
The relative importance of the component to be calculated is the rank of the component when the components are sorted in the order of the importance.
The relative attractiveness of the component to be calculated is the rank of the component when each component is sorted in the order of the size of the attractiveness.
The color arrangement evaluation apparatus according to claim 1.   The color scheme appropriateness determining means calculates an index value indicating a ratio between the degree of attraction and the importance for each of the constituent elements, and further considers the degree of coincidence between the index values calculated for the constituent elements. The color arrangement evaluation apparatus according to claim 1, wherein it is determined whether or not the color arrangement applied to the constituent elements is appropriate.   The component element representative color calculating means or the background element representative color calculating means calculates a weighted average from each color included in the calculation target area, weighted by the number of pixels having each color in the area, and the weight The color arrangement evaluation apparatus according to claim 1, wherein a weighted average is used as a representative color of the region.   The component element representative color calculating unit or the background element representative color calculating unit calculates the degree of attraction for each color included in the calculation target area, and sets the color with the highest degree of attraction calculated as the representative color of the area. The color arrangement evaluation apparatus according to any one of claims 1 to 3. For the entire evaluation target image, obtain the color of each pixel included in the evaluation target image using the color arrangement information, and based on the combination of each color and the number of pixels having each color in the evaluation target image, An overall representative color calculating means for calculating a representative color of the evaluation target image;
The attraction degree calculating means includes:
Further using an overall representative color that is the overall representative color of the evaluation target image,
Using the single degree of conspicuousness calculated by comparing the constituent element representative color with the background representative color and the heterogeneous degree of connotation calculated by comparing the constituent element representative color with the overall representative color, the configuration Calculate the attraction of the element,
The color arrangement evaluation apparatus according to any one of claims 1 to 5. Between the components, there is a hierarchical structure relationship in which the second component including the first component is the parent element of the first component,
The component information corresponding to the component indicates the position of the component in the hierarchical structure,
The degree of attraction calculation means the degree of heterogeneity of the component when the component and the component having the same parent element as the component, or the parent-child relationship between the components as a hierarchical structure By comparing only the components located in the same level as the component, the degree of heterogeneity of the component is calculated,
The color scheme appropriateness determining means indicates whether or not the color scheme applied to the component is valid, and indicates a component having the same parent element as the component or a parent-child relationship between the components as a hierarchical structure. When using the relative importance and the relative attractiveness calculated in comparison with only the component located in the same level as the component
The color arrangement evaluation apparatus according to claim 4.   8. The color arrangement evaluation device according to claim 6, wherein the attraction degree calculation unit calculates the heterogeneity attraction degree using a distance between the component element representative color and the overall representative color in a color space. A color scheme evaluation method executed by a computer,
A color arrangement information acquisition step for acquiring color arrangement information, which is information in which a combination of a pixel color and a position is associated with each pixel included in the evaluation target image;
Among the pixels included in the image to be evaluated, a pixel that specifies the importance of the component and the pixel included in the component with respect to the component that is an area composed of a plurality of adjacent pixels A component element information acquisition step of acquiring component element information, which is information associated with information;
For the component, the color of each pixel included in the component is obtained using the color arrangement information, and the representative of the component based on the combination of each color and the number of pixels having each color in the component A component representative color calculation step for calculating a color;
For the background element corresponding to the component, obtain the color of each pixel included in the background element using the color scheme information, and based on the combination of each color and the number of pixels having each color in the background element, A background element representative color calculating step for calculating a representative color of the background element;
Based on the constituent element representative color of the constituent element and the background representative color of the background element corresponding to the constituent element, the degree of attraction that is a value indicating the ease of visual attention of the constituent element is calculated. An attractiveness calculating step,
Relative importance, which is a relative value comparing the importance of the component with the importance of each component other than the component, and the degree of attraction of the component with the degree of attraction of each component other than the component A coloration validity determination step for determining whether or not the coloration applied to the component is appropriate by comparing the relative attractiveness that is a relative value
Have
The background element corresponding to the component is a region other than the component and includes a pixel adjacent to the component.
Color scheme evaluation method. A program for causing a computer to have a function of operating as a color arrangement evaluation device,
A color arrangement information acquisition function for acquiring color arrangement information, which is information in which a combination of pixel color and position is associated with each pixel included in the evaluation target image;
Among the pixels included in the image to be evaluated, a pixel that specifies the importance of the component and the pixel included in the component with respect to the component that is an area composed of a plurality of adjacent pixels A component element information acquisition function for acquiring component element information that is information associated with information;
For the component, the color of each pixel included in the component is obtained using the color arrangement information, and the representative of the component based on the combination of each color and the number of pixels having each color in the component A component representative color calculation function for calculating a color;
For the background element corresponding to the component, obtain the color of each pixel included in the background element using the color scheme information, and based on the combination of each color and the number of pixels having each color in the background element, A background element representative color calculation function for calculating a representative color of the background element;
Based on the constituent element representative color of the constituent element and the background representative color of the background element corresponding to the constituent element, the degree of attraction that is a value indicating the ease of visual attention of the constituent element is calculated. An attractiveness calculation function,
Relative importance, which is a relative value comparing the importance of the component with the importance of each component other than the component, and the degree of attraction of the component with the degree of attraction of each component other than the component Comparing the relative attractiveness that is a relative value, and determining whether or not the color scheme applied to the component is valid;
To the computer,
The background element corresponding to the component is a region other than the component and includes a pixel adjacent to the component.
program.

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