JP6052979B2 - Makeup apparatus and makeup method - Google Patents

Description

  The present invention relates to a makeup apparatus and a makeup method for discharging and applying a liquid cosmetic material to a makeup region.

  Conventionally, instead of applying cosmetics with a brush or the like, a makeup region in which an image of a part to be applied (for example, an image of a face or the like) is taken with an imaging camera or the like and makeup is performed using this image data A make-up device has been proposed in which liquid makeup is discharged from a nozzle into the make-up region and a make-up is performed (Patent Document 1).

  According to this make-up device, it is possible to apply an appropriate amount of cosmetics to areas with color differences such as facial spots and freckles, and thus it is possible to easily correct facial spots and freckles without causing a sense of incongruity. Become.

JP 2006-271654 A

  By the way, since a difference in optical characteristics (brightness, hue, texture) occurs between the cosmetic and the skin color, an apparent difference occurs between the makeup region where the cosmetic is applied and the other portions. This difference increases as the coating amount increases. However, there is a problem in that the effect of correcting color unevenness cannot be obtained unless the amount of cosmetic applied is sufficient.

  The present invention has been made in view of the above points, and provides a makeup device and a makeup method in which a sufficient amount of cosmetic is applied to the makeup region, and the boundary between the cosmetic application portion and the non-application portion is not conspicuous. For the purpose.

From the first point of view, the above problem is
A makeup device for applying cosmetics to a makeup area,
Image acquisition means for reading an image including the makeup area;
Application means for atomizing and applying cosmetics to the makeup area;
Extraction means for extracting the makeup region and the contour of the makeup region from the image;
Size detection means for detecting the size of the extracted makeup region;
A color difference detecting means for detecting a color difference between the extracted makeup area and an external area of the makeup area;
Control means for setting the cosmetic application position and controlling the application means to apply the cosmetic to the application position;
The control means includes
When the size of the makeup area detected by the size detection means is smaller than the size that the application means atomizes and applies in one shot, the application means applies one shot of atomization to the center position of the makeup area. Carried out
When the size of the makeup area detected by the size detection means is larger than the size that the application means atomizes and coats in one shot, the color difference is set on the inner side of the contour extracted by the extraction means. This can be solved by a make-up device characterized in that atomization application by the application means is performed at a correspondingly set interval.

From the second point of view, the above problem is
A makeup method in which an image including a makeup region to which cosmetics are applied is read by an imaging unit, and based on the image, cosmetics are applied to the makeup region by spraying using the application unit,
An extraction step for extracting the makeup region and the contour of the makeup region from the image;
A size detection step of detecting the size of the extracted makeup region;
A color difference detection step of detecting a color difference between the extracted makeup area and an external area of the makeup area;
When the size of the makeup area detected in the size detection step is smaller than the size that the application means atomizes and applies by one shot, the application means applies one shot of atomization to the center position of the makeup area. When the size of the makeup area is larger than the size that the application means atomizes and coats in one shot, it is set inside the contour extracted in the extraction step and corresponding to the color difference. And a coating step of performing atomization coating by the coating means at a predetermined interval.

  According to the disclosed invention, it is possible to make the boundary between the application part and the non-application part of the makeup in the contour of the makeup area inconspicuous while applying sufficient cosmetic to the makeup area.

FIG. 1 is an overall configuration diagram of a makeup apparatus according to an embodiment of the present invention. FIG. 2 is a functional configuration diagram of a makeup apparatus according to an embodiment of the present invention. FIG. 3 is a hardware configuration diagram of a makeup apparatus according to an embodiment of the present invention. FIG. 4 is a diagram illustrating an example of a region of an image to be captured. FIG. 5 is an enlarged view showing the makeup area in the image area. FIG. 6 is a flowchart for explaining a makeup process performed by the makeup apparatus according to the embodiment of the present invention. FIG. 7 is an enlarged view showing the spray nozzles constituting the coating apparatus. FIG. 8 is a diagram for explaining the relationship between the one-shot application unit 60D and the spray distance. FIG. 9 is a diagram for explaining a method for determining the application position when the makeup area is smaller than the one-shot application part. FIG. 10 is a diagram for explaining a method of determining the application position when the makeup area is larger than the one-shot application part (part 1). FIG. 10 is a diagram for explaining a method of determining the application position when the makeup area is larger than the one-shot application part (part 2). FIG. 12 is a diagram for explaining a method of determining a pitch between application positions (No. 1). FIG. 13 is a diagram for explaining a method of determining a pitch between application positions (part 2). FIG. 14 is a diagram for explaining a method of determining the pitch between application positions (No. 3). FIG. 15 is a diagram for explaining the coordinates of the application position as a reference example.

  Next, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 shows an overall configuration diagram of a makeup apparatus 10 according to an embodiment of the present invention. As shown in the figure, the makeup apparatus 10 includes a personal computer 1, an image acquisition means 14, an application means 16, and the like.

  The makeup device 10 has the functional configuration shown in FIG. 2, and is provided with an input means 11, an output means 12, a recording means 13, an image acquisition means 14, an image analysis means 15, a control means 17, and the like. Further, the image analysis unit 15 includes an extraction unit 18, a size detection unit 19, and a color difference detection unit 20.

  The input unit 11 includes, for example, a keyboard, a pointing device such as a mouse, and the like. In this embodiment, an image read by the image acquisition unit 14 described later is also input via the input unit 11.

  The output unit 12 includes, for example, a display and displays / outputs the content input by the input unit 11 and the content executed based on the input content. In the present embodiment, the driving of the application unit 16 described later is also performed through the output unit 12.

  The recording unit 13 records various data such as an image acquired by the image acquiring unit 14 and a result analyzed by the image analyzing unit 15. The recording means 13 can read out various data recorded as necessary.

  The image acquisition unit 14 captures an image of a predetermined area including a makeup area of a person who performs makeup (hereinafter referred to as a practitioner A). In the present embodiment, a makeup that applies cosmetics to a site having a color difference such as a stain or freckles generated on the face of the operator A will be described as an example.

  For this reason, in this embodiment, as shown in FIG. 4, an area where an image acquisition unit 14 reads an image including an area having a color difference such as a spot or freckles of the operator A (hereinafter, this area is referred to as an image area 30). It is said. The skin AA of the practitioner A has irregularities, but the size of the image region 30 is set to a size that allows the skin AA to be regarded as a plane in a pseudo manner. Specifically, the image region 30 is set to a size of, for example, □ 5 cm or less, depending on the part.

  In the following description, a region where there is a color difference with respect to the outside, such as a stain or freckles, and the region where the operator A intends to apply cosmetics is referred to as a makeup region 40. Therefore, the makeup area 40 is included in the image area 30.

  The image analysis unit 15 includes an extraction unit 18, a size detection unit 19, and a color difference detection unit 20, and analyzes the image acquired by the image acquisition unit 14.

  The extraction unit 18 extracts the makeup region 40 from the image region 30 acquired by the image acquisition unit 14 (see FIG. 5). At this time, the extraction means 18 also extracts the contour 45 of the makeup area 40.

  The size detection unit 19 extracts the size of the makeup region 40 extracted by the extraction unit 18 (here, the size including the area and shape).

  The color difference detection means 20 detects the color difference between the makeup area 40 and the area outside the makeup area 40. The color difference detection means 20 also divides the inside of the makeup area 40 into a plurality of dye areas according to the color difference. In the present embodiment, as illustrated in FIG. 5, an example in which the makeup region 40 is divided into three pigment regions of first to third pigment regions 41 to 43 by the color difference detection unit 20 will be described.

  The make-up area 40 obtained by each of the means 18 to 20 described above, the contour 45 of the make-up area 40, the size of the make-up area 40, the color difference of the make-up area 40 with respect to the external area 46, and the like are stored in the storage means 13. The details of the processing of each of the above means 18 to 20 will be described later for convenience of explanation.

  The application unit 16 includes a robot 50 and an injection nozzle 51. As the robot 50, a horizontal articulated industrial 4-axis robot was used. The robot 50 moves the spray nozzle 51 to a position for applying the cosmetic of the practitioner A based on a drive control signal sent from the control means 17 via the output means 12 as described later.

  As shown in an enlarged view in FIG. 7, the injection nozzle 51 includes a main body 52, a cosmetic supply pipe 53, an air supply pipe 54, an injection passage 56, a needle valve 57, an adjustment knob 58, and the like. The cosmetic applied by spraying to the practitioner A is supplied from a cosmetic supply pipe 53. The cosmetic supply pipe 53 is connected to an injection passage 56, and the left end portion of the injection passage 56 in the drawing is a spray port.

  A needle valve 57 is inserted into the injection passage 56. The right end of the needle valve 57 in the figure is connected to the adjustment knob 58. Therefore, by operating the adjustment knob 58, the needle valve 57 can be advanced and retracted in the injection passage 56.

  On the other hand, compressed air (air) is supplied to the air supply pipe 54. The compressed air is connected to the spray port at the tip of the injection passage 56, and thus the cosmetic supplied from the cosmetic supply pipe 53 and reaching the tip of the needle valve 57 is compressed from the air supply pipe 54. It is energized by air and sprayed. Therefore, when the spray nozzle 51 is opposed to the skin AA of the practitioner A, the cosmetic 59 sprayed from the spray nozzle 51 is atomized and applied to the skin AA.

  In the present embodiment, the spray nozzle 51 does not perform continuous spraying, but performs atomized spraying for each shot when moved to a predetermined application position. As a result, a pseudo-circular application portion as shown in FIG. 9A is formed at the application position P (hereinafter, this application portion is referred to as a one-shot application portion 60).

  In the one-shot application unit 60, the most cosmetic is applied at the central position, and the applied cosmetic gradually decreases from the central position toward the outside. Further, the cosmetic application amount and the particle size of the one-shot application unit 60 can be varied by adjusting each component constituting the injection nozzle 51.

  For example, with respect to the amount of the cosmetic applied, by increasing the pressure of the cosmetic supplied to the cosmetic supply pipe 53, the needle valve 57 is moved rightward in FIG. It can be adjusted by lengthening the valve opening time by the needle valve 57. The particle size of the cosmetic can be adjusted by adjusting the valve body 55 disposed in the air supply pipe 54.

  Furthermore, the density of the one-shot coating unit 60 can be adjusted also by adjusting the distance between the skin AA and the spray nozzle 51 (the distance indicated by the arrow W1 in FIG. 7; hereinafter referred to as the spray distance W1). This will be described with reference to FIG.

  FIG. 8 shows the density of the one-shot coating unit 60 when only the spray distance W1 is changed in a state where all the parameters that can change the density of the one-shot coating unit 60 are constant. In the example shown in the figure, an example in which the injection distance W1 is 10 mm, 15 mm, 20 mm, and 30 mm is shown.

  As shown in the figure, the one-shot coating portion 60A having a spray distance W1 of 10 mm has the highest density at the center position and the smallest area. In contrast, as the spray distance W1 gradually increased from 15 mm to 30 mm, the concentration at the center position of the one-shot application portions 60B to 60D gradually decreased, and the area (pseudo-circular diameter) gradually increased. This is due to the fact that the sprayed cosmetic diffuses as the spray distance W1 becomes longer, and accordingly, the concentration of the cosmetic applied to the skin AA is low, and the applied area is increased. .

  From the results shown in FIG. 8, it can be seen that the density and area of the one-shot coating unit 60 can be adjusted by changing the spray distance W1 between the spray nozzle 51 and the skin AA. The ejection distance W1 can be easily set by controlling the robot 50. Therefore, in the present embodiment, an example in which the concentration and area of the one-shot coating unit 60 are controlled by changing the spray distance W1 will be described.

  The control means 17 controls each means 11-16, 18-20 which comprises the makeup apparatus 10 mentioned above. Based on an instruction from the input unit 11, the control unit 17 acquires an image of the image area 30 of the practitioner A by the image acquisition unit 14, analyzes the image area 30 by the image analysis unit 15, and sets the makeup area 40. Extract.

  Then, the size and color difference of the makeup area 40 are detected by controlling the size detection means 19 and the color difference detection means 20, and based on this, the application position and the spraying distance etc. for the skin AA of the practitioner A by the application means 16 are set. The cosmetic is applied by controlling the application means 16. The details of the makeup process performed by the control means 17 will be described later.

  Each means 11-20 for executing the above-described makeup processing can be generated as a program executed by a computer (hereinafter referred to as makeup program), and is installed in a general-purpose personal computer, server, etc. The makeup device 10 can be realized. In the present embodiment, the makeup apparatus 10 is realized by installing this makeup program in the personal computer 1. Note that the makeup device 10 can be configured as a dedicated machine in which the computer 1, the image reading means 14, the coating means 16 and the like that have been aired are integrated.

  FIG. 3 shows a hardware configuration example of the personal computer 1. The personal computer 1 includes an input device 21, an output device 22, a drive device 23, an auxiliary storage device 24, a memory device 25, a CPU (Central Processing Unit) 26 that performs various controls, and the like. Are connected to each other.

  The input device 21 and the output device 22 correspond to the input means 11 and the output means 12 described above. The auxiliary storage device 24 is a storage unit such as a hard disk, and stores a makeup program (execution program) according to the present embodiment, a control program provided in the personal computer 1, and performs input / output as necessary. Can do.

  The memory device 25 stores a makeup program and the like read from the auxiliary storage device 24 by the CPU 26. The memory device 25 includes a ROM (Read Only Memory), a RAM (Random Access Memory), and the like.

  Based on a control program such as an OS (Operating System) and various execution programs stored in the memory device 25, the CPU 26 performs processing of the entire computer, such as various operations and input / output of data with each hardware component. Each process such as a makeup skin evaluation process can be realized by controlling. Various information necessary during the execution of the program can be acquired from the auxiliary storage device 24, and the execution result and the like can also be stored.

  With the hardware configuration described above, the makeup process according to the present embodiment can be executed. Further, by installing the program, the general-purpose personal computer 1 can easily realize the makeup process according to the present embodiment.

  The makeup program installed in the computer 1 can be provided by, for example, a portable recording medium 28 such as a USB (Universal Serial Bus) memory or a CD-ROM.

  Next, the makeup process in the present embodiment will be specifically described with reference to the flowchart shown in FIG.

  When the makeup process shown in FIG. 6 is started, the CPU 26 reads the image area 30 (see FIG. 4) including the makeup area 40 of the skin AA using the image acquisition means 14 according to the makeup program (step 10). ("Step" is abbreviated as "S").

  When this image region 30 is photographed, an analog color camera (manufactured by JAI) with a circular deflection plate attached can be used in this embodiment. In addition, illumination is performed on the image region 30 at the time of photographing, and an image with uniform illuminance can be obtained by using a diffusion plate when performing this illumination.

  When the image area 30 is captured, the makeup area 40 is extracted from the image area 30 (step 11). In the extraction process of the makeup area 40, the contour 45 of the makeup area 40 is also extracted.

  In the makeup process according to the present embodiment, a cosmetic is applied to a portion having a color difference with respect to a normal skin AA color such as a stain or freckles. For this reason, in order to extract spots and freckles generated on the skin AA from other parts, first, a color image (RGB image) photographed using a color filter is converted into a gray scale based on lightness information. The grayscale image data is subjected to a filtering process for noise removal, and then a background process for removing a brightness difference due to an illumination light.

  The binarization process is subsequently performed on the image data subjected to the noise removal process in this way. In this binarization processing, the brightness of a spot where freckles or freckles occur is set as a threshold value, and a makeup area 40 in which spots or freckles are generated and an external area 46 where no freckles occur are extracted using this threshold value. .

  In addition, about a threshold value, it is possible to set a some threshold value according to darkness, such as a spot and freckles. Therefore, it is possible to divide the makeup area 40 according to the density of a stain or freckles. In this embodiment, it is divided into three areas as will be described later.

  Further, edge processing is also performed on the image data obtained as described above, and the contour 45 of the makeup area 40 is also extracted (step 12). When performing this contour extraction process, when the makeup area 40 is divided into a plurality of sections using a plurality of thresholds as described above, the contour extraction process is performed for each section.

  When the makeup area 40 is extracted as described above, a process for obtaining a color difference between the makeup area 40 in the image area 30 and the external area 46 other than the makeup area 40 is performed (step 13). The color difference detection unit 20 includes a color determination unit (not shown) that performs color determination. The color difference between the makeup area 40 and the external area 46 is obtained by the color determination unit. In addition, the external region 46 is a non-application part to which cosmetics are not applied.

  4 and 5 show an example of the makeup area 40 (40A, 40B) obtained by the color difference detection process. In the present embodiment, the makeup area 40 is divided into a first dye area 41, a second dye area 42, and a third dye area 43 according to the magnitude of the color difference. The first dye region 41 has the most color difference with respect to the external region 46, and the color difference is set to be gradually decreased in the order of the second dye region 42 and the third dye region 43.

  A makeup area 40A shown in FIGS. 4A and 5A shows an example in which the color difference greatly changes from the center position toward the external area 46. FIG. In the makeup area 40A, the first dye area 41 having the largest color difference is located at the center, the second dye area 42 is located on the outer periphery thereof, and the third dye area 43 is located on the outer periphery thereof.

  On the other hand, the makeup area 40B shown in FIGS. 4B and 5B shows an example in which the color difference hardly changes in each area, but areas having a plurality of types of color differences are scattered.

  4B and 5B, for convenience of explanation, there are three regions corresponding to the first dye region 41, the second dye region 42, and the third dye region 43, one in total. An example will be described. In the example shown in FIGS. 4B and 5B, the first dye region 41, the second dye region 42, and the third dye region 43 are collectively referred to as a makeup region 40B. Further, in the following description, when the makeup areas 40A and 40B are collectively described, the makeup area 40 is described.

  Note that the division by color difference in the makeup area 40 (40A, 40B) is not limited to three divisions as in the present embodiment, and can be set as appropriate.

  In the following step 14, the size of the makeup area 40 is detected. The size of the makeup area 40 is implemented based on the contour 45 of the makeup area 40 obtained in step 12.

  At this time, in the case of the makeup region 40A shown in FIGS. 4A and 5A, the outermost peripheral position of the third dye region 43 located on the outermost periphery is taken as the contour 45. In the case of the makeup region 40B shown in FIGS. 4B and 5B, the outermost peripheral positions of the individual first to third pigment regions 41 to 43 are contours 45A to 45C.

  When the size of the makeup area 40 is detected, the size of the makeup area 40 is compared with the size of the one-shot coating unit 60 performed by the spray nozzle 51 (step 15). At this time, in the case of the makeup region 40 </ b> B, the size of each of the first to third dye regions 41 to 43 is compared with the size of the one-shot coating unit 60 performed by the spray nozzle 51.

  In the present embodiment, the size of the one-shot application part 60 used as a criterion for determination in step 15 is the size of the one-shot application part 60A having the smallest application area in FIG. It should be noted that the size of the one-shot application unit 60, which is a criterion for determination in step 15, is not limited to this, and can be set as appropriate.

  The size comparison performed in step 15 is to detect whether or not each of the first to third dye regions 41 to 43 constituting the makeup region 40A or the makeup region 40B is covered by the one-shot coating unit 60. . Therefore, not only the area of the makeup region 40A or the first to third pigment regions 41 to 43 is compared with the area of the one-shot coating portion 60, but the shape of the makeup region 40A or the first to third pigment regions 41 to 43 is also compared. In consideration of the above, it is determined whether or not it can be covered with the one-shot coating unit 60.

  That is, since the shape of the spot or freckles is not necessarily circular, the pseudo-circle is formed even though the area of the one-shot coating portion 60 is larger than the makeup region 40A or the first to third dye regions 41 to 43. There is a possibility that the makeup region 40A or the first to third dye regions 41 to 43 protrude from the one-shot application part 60 having a shape. Therefore, in step 15, it is determined whether or not the one-shot application unit 60 can reliably cover the makeup region 40 </ b> A or the first to third dye regions 41 to 43.

  In the example shown in FIG. 9, the size of the one-shot coating portion 60 shown in FIG. 9A is larger than the size of the makeup area 40A shown in FIG. 9B, and the shape of the makeup area 40A is taken into consideration. Alternatively, it is possible to cover the makeup region 40A with the one-shot coating unit 60. In the case shown in FIG. 9, step 15 determines that the size of the makeup area 40 </ b> A is smaller than the size of the one-shot application unit 60.

  If it is determined in step 15 that the size of the makeup area 40A or the first to third dye areas 41 to 43 is smaller than the size of the one-shot coating unit 60, the process proceeds to step 16 and the control means 17 The center position of 40A or the first to third pigment regions 41 to 43 (the position indicated by the arrow C in the example shown in FIG. 9B) is set as the cosmetic application position P by the spray nozzle 51 (step 16).

  When the application position P is set in step 16, the control means 17 drives and controls the robot 50 and the injection nozzle 51 (application means 16), and the injection nozzle 51 is applied to the application position P (make-up area 40A or 40A) set in step 16. The center position of the first to third dye regions 41 to 43 is moved. Subsequently, the control means 17 drives the spray nozzle 51 to apply the cosmetics to the application position P by atomization (step 17).

  At this time, the spray distance W1 between the spray nozzle 51 and the skin AA is set to a distance (10 mm) at which the one-shot coating unit 60A (see FIG. 8) can be performed by controlling the robot 50. The cosmetic applied at this time is selected in advance to have a color that approximates the color of the skin AA (the color of the external region 46) or a color that has a correction effect by changing the brightness and hue. .

  As described above, the size of the one-shot coating portion 60A is a size that can cover the makeup area 40A or the first to third dye areas 41 to 43. For this reason, by forming the one-shot application part 60A at the application position P, spots and freckles located in the makeup area 40A or the first to third dye areas 41 to 43 are covered with the one-shot application part 60A.

  The one-shot application part 60A also has the highest cosmetic concentration at the center position, and the cosmetic concentration gradually decreases (the color becomes lighter) toward the outside. Therefore, by forming the one-shot coating portion 60A at the center position of the makeup area 40A or the first to third dye areas 41 to 43, the makeup area 40A or the center positions of the first to third dye areas 41 to 43 are formed. Spots and freckles can be reliably hidden, and the cosmetics can be made inconspicuous in the contours 45 and 45A to 45C which are the outer edges of the makeup region 40A or the first to third pigment regions 41 to 43.

  On the other hand, in the example shown in FIG. 10, the size of the one-shot application unit 60 shown in FIG. 10A is smaller than the size of the makeup region 40 shown in FIG. In such a case, the one-shot spray application process of the spray nozzle 51 cannot cover the makeup area 40, and the application positions P are set at many locations in the makeup area 40, and the spray application process is performed at each application position P. There is a need to.

  In the case as shown in FIG. 10, it is determined in step 15 that the size of the makeup area 40 is larger than the size of the one-shot coating unit 60. In step 15, if it is determined that the size of the makeup area 40 is larger than the size of the one-shot application unit 60, the process proceeds to step 18.

  In step 18, a one-shot application part suitable for the first to third dye regions 41 to 43 set in step 13 is selected. Hereinafter, this selection method will be described mainly with reference to FIGS. 5 and 8.

  The first dye region 41 is a region having the largest color difference with respect to the external region 46. Therefore, in order to reliably hide the first pigment region 41 with the cosmetic, it is desirable that the one-shot application unit 60 can apply the cosmetic at a high concentration.

  Therefore, in the present embodiment, the one-shot application unit 60A that can apply cosmetic at a high concentration is selected as the one-shot application unit 60 applied to the first pigment region 41. Specifically, since the selection of the one-shot application unit 60 can be performed by setting the spray distance W1 between the skin AA of the operator A and the spray nozzle 51, the spray distance W1 is set to 10 mm.

  In addition, the second dye region 42 has a smaller color difference from the external region 46 than the first dye region 41. However, it is a region having a large color difference compared to the third dye region 43.

  Therefore, in the present embodiment, the one-shot application unit 60B that applies cosmetic at a lower concentration than the one-shot application unit 60A is selected as the one-shot application unit 60 applied to the second dye region 42. Specifically, the injection distance W1 was set to 15 mm.

  Further, the third dye region 43 is a region having the smallest color difference with respect to the outer region 46. Therefore, in the present embodiment, as the one-shot application unit 60 applied to the third dye region 43, the one-shot application unit 60D that applies cosmetic at a low concentration is selected from the one-shot application unit illustrated in FIG. Specifically, the injection distance W1 was set to 30 mm.

  As described above, when the spray distance W1 (one-shot application unit 60A, 60B, 60D) is set for each of the dye regions 41 to 43 of the makeup region 40, the coordinates for setting the application position P are the respective dye regions 41 to 43. Set every time.

  As described above, when the size of the makeup region 40 is larger than the size of the one-shot coating unit 60, it is necessary to set a large number of application positions P in the makeup region 40 where the spray nozzle 51 performs the atomization application. In this embodiment, a coordinate system is provided in the makeup area 40, and the application position P is set based on this coordinate system.

  As described above, this coordinate system can be realized as two-dimensional coordinates because the size of the image region 30 is such that the skin AA can be regarded as a plane in a pseudo manner. Further, as a general method of providing a coordinate system, it is conceivable to set XY coordinates as shown in FIG. 15 and set an intersection of lattices formed at a predetermined pitch as the application position P.

  However, since the one-shot coating part 60 formed at the coating position P as described above has a pseudo-circular shape, when the intersection point of the lattice is set to the coating position P, there is a density between adjacent one-shot coating parts 60. Occurs, and good make-up cannot be performed.

  Therefore, in the present embodiment, as shown in FIG. 11, regular triangles having equal intervals between adjacent vertices (hereinafter, this interval is referred to as pitch r) are set as one unit, and these regular triangles are arranged in the X direction and the Y direction. The set coordinate system was set.

Now, let the position indicated by the arrow P ₀ in FIG. 11 of this coordinate system be the origin, and the coordinates of this position P _{0 be} P ₀ (X ₀ , Y ₀ ). Further, as shown in the drawing, the row of the coating position P parallel to the X axis is J (J = 1, 2, 3...), And the column of the coating position P parallel to the Y axis is K (K = 1, 2,. 3), the coordinates P _{J, K} (X _{J, K} , Y _{J, K} ) at an arbitrary position P _{J, K} are expressed as follows using the pitch r.

X _{J, K} = X ₀ + J × r + K × r cos 60 °
Y _{J, K} = Y ₀ + K × rsin60 °

  By using such a coordinate system in which a large number of equilateral triangles having a pitch r (one side is r) are arranged in the X direction and the Y direction, and setting the apex of each equilateral triangle to the application position P by the spray nozzle 51, The distance between the adjacent application positions P is equal to that in the reference example shown in FIG. For this reason, by using the coordinate system shown in FIG. 11, since the density is less likely to occur compared to the reference example shown in FIG. 15, the state after application can be made uniform.

By the way, as described above, the makeup region 40 is divided into the first to third dye regions 41 to 43. Further, the one-shot coating portions 60A, 60B, and 60D used for the dye regions 41 to 43 have different diameters E. Specifically, one shot coating unit 60A, 60B, _E A as shown in FIG. 8 a diameter of _60D, E B, When _{E D,} the diameter _{E A,} E B, the _{E D} depends injection distance W1, the diameter _{E a} of the injection distance W1 is the shortest one shot coating portion 60A is smallest, injection distance W1 is the diameter _{E D} of the longest shot coated portion 60D is largest _{(E a <E B <E} D).

Therefore, when the pitch r is set to a constant value regardless of each of the elementary regions 41 to 43 in the coordinate system shown in FIG. 11 (hereinafter referred to as the closest coordinate system), the following problem occurs. For example, the densest coordinate system, setting pitches r to a value adapted to the diameter E _D one shot coating unit 60D used in the third dye area 43, the coating position P adjacent longer. Therefore, when applying this densest coordinates in the first dye area 41, since the diameter E _A one shot coating portion 60A smaller than the diameter E _D, resulting in uneven coating in the first dye area 41 is generated .

  Therefore, in the present embodiment, in step 19, the pitch r of the closest coordinate system is set for each segment of the elementary regions 41 to 43. A specific setting method will be described with reference to FIGS.

  In the present embodiment, the pitch r of the closest coordinate system is obtained from the normal distribution of the density of the one-shot coating unit 60. FIG. 12 shows an example of a normal distribution of the concentration of the one-shot application unit 60. The density (coating density) of the one-shot coating unit 60 has a normal distribution f (x) as shown in FIG. 12 because the density is highest at the center and decreases toward the outside.

  In the present embodiment, the distance between the position where the normal distribution is 50% (f (x) = 50%) and the center position (average value position) (hereinafter, this distance is represented by X [f (x) = 50%). ] Is set to the pitch r. FIG. 13A shows a case where the pitch r of the two one-shot application portions 60 is formed as r = X [f (x) = 50%] × 2, and the coating concentration of the cosmetic at this time is measured. . In FIG. 13B, the pitch r of the two one-shot coating portions 60 is formed so as to be slightly wider than X [f (x) = 50%] × 2 (r> X [f (x) = 50). %] × 2), the coating concentration at this time was measured. From each figure, it can be seen that when the pitch r is set as described above, the coating concentration of the cosmetic is substantially constant.

  On the other hand, in FIG. 14, the pitch r of the two one-shot coating portions 60 is formed so as to be closer than X [f (x) = 50%] × 2 (r <X [f (x) = 50%). × 2), the coating concentration of the cosmetic at this time was measured. In this case, it can be seen that the coating concentration of the cosmetics is very high at one point, and thus is not suitable for spraying cosmetics. Therefore, in the present embodiment, the pitch r of the one-shot coating unit 60 is set to r ≧ X [f (x) = 50%] × 2 based on the results shown in FIGS.

  By the way, the normal distribution of the one-shot application unit 60 differs between the one-shot application units 60A, 60B, and 60D shown in FIG. That is, the one-shot coating part 60A has a normal distribution having a high peak in the average value, whereas the one-shot coating part 60D has a low peak in the average value and a gentle normal distribution. For this reason, the pitch r of the closest coordinate is different for each of the dye regions 41 to 43.

In the first dye region 41 having the largest color difference from the outer region 46, the pitch r _A of the closest dense coordinate is the shortest, and in the third dye region 43 having the smallest color difference from the outer region 46, the closest dense coordinate is obtained. The pitch r _D is the longest, and in the second dye region 42 located in the middle between the first dye region 41 and the third dye region 43, the pitch r _{B of the} closest coordinates is an intermediate length between the pitch r _A and the pitch r _B. (R _A <r _B <r _D ) As described above, the pitch r of the closest coordinate changes according to the color difference in the makeup area 40, and the pitch r is set to be smaller as the color difference is larger.

In the present embodiment, the closest dense coordinates for the first dye region having the pitch r _A corresponding to the first dye region 41 (one-shot application unit 60A) and the second dye region 42 (one-shot application unit 60B) are provided. a second dye area densest coordinates for having a pitch r _B, preset a third dye area densest coordinates for having a pitch r _D corresponding to the third dye area 43 (one shot coating portion 60D) This is stored in the storage means 13.

  In step 19, a process of arranging (inserting) close-packed coordinates suitable for each of the dye regions 41 to 43 set in step 13 is performed. Therefore, the application position P where the atomization application is performed by the spray nozzle 51 is set inside the makeup area 40A and the makeup area 40B (first to third pigment areas 41 to 43).

At this time, the contours 45 and 45A to 45C which are the outer edges of the makeup region 40 (the makeup region 40A and the first to third dye regions 41 to 43) and the application position P (hereinafter referred to as the outermost part) The distance from the coating position _Pout ) becomes a problem. Distance between the outermost coating position P _out and the outline 45 is a distance that is an arrow ΔL in the example shown in FIG. 10 (B), for example.

  When the separation distance ΔL is short, cosmetics having a high application concentration are applied at the contour 45 and the boundary with the external region 46 becomes conspicuous. Further, when the separation distance ΔL is long, the outer region 46 is substantially widened, and there is a possibility that the spots and freckles cannot be reliably hidden.

Therefore, when the present embodiment to place the makeup area 40A and the first to third internal close-packed coordinates of dye area 41 to 43 in step 19, the distance ΔL between the outermost coating position P _out and the contour 45 1 It is set to be less than half the diameter of the shot application part.

For example, in the case of the third dye area 43 of the makeup area 40A and makeup area 40B has a less than half the diameter E _D one shot coating portion 60D the distance ΔL between the outermost coating position P _out and the contour 45,45C (ΔL ≦ E _D / 2).

In the case of the first dye area 41 of the makeup area 40B is set to be less than half the diameter E _A of the distance [Delta] L of the 1-shot coating portion 60A of the outermost coating position P _out and the contour 45A ([Delta] L ≦ E _A / 2). Further, in the case of the second dye area 42 of the makeup area 40B is set to be less than half the diameter E _B of the distance [Delta] L of the 1-shot coating portion 60A of the outermost coating position P _out and the outline 45B ([Delta] L ≦ E _B / 2).

  By setting in this way, the boundary between the makeup region 40A and the makeup region 40B (first to third dye regions 41 to 43) and the external region 46 can be made inconspicuous, and spots and freckles can be surely hidden. be able to.

Incidentally, the distance ΔL of the outermost coating position P _out and the outline 45,45A~45C is not intended to be limited to the above configuration, the color difference between the outer region 46 and the first to third dye areas 41-43 It can be set as appropriate.

  When the close-packed coordinates are set as described above in step 19, the control means 17 controls the driving of the robot 50 and the spray nozzle 51 (coating means 16), and the spray nozzle 51 is set to each coating position P set in step 18. It is moved and atomization application of cosmetics is performed at each application position P (step 20).

  Specifically, in the first dye region 41, a one-shot coating portion 60A is formed at each coating position P in accordance with the first dye region close-packed coordinates, and in the second dye region 42, the second dye region close-packed coordinates. Accordingly, a one-shot application part 60B is formed at each application position P, and in the third dye region 43, a one-shot application part 60D is formed at each application position P according to the closest coordinate for the third dye area.

As described above, according to the makeup device 10 and the makeup method using the same according to the present embodiment, the first to third pigment regions are set according to the color difference between the pigment regions 41 to 43 and the external region 46. According to the close-packed coordinates, one-shot coating portions 60A, 60B, and 60D are formed at the most suitable pitches r _A , r _B , and r _D. For this reason, a concealing portion such as a stain or freckles can be reliably performed, and the boundary with the external region 46 can be made inconspicuous.

  By the way, in the above-described embodiment, when the coating process is performed in Step 17 and Step 20, it is configured to apply cosmetics that hide spots, freckles, etc. without performing a base process in particular. You may implement the process which applies cosmetics to skin AA at low density before and after applying cosmetics which conceal a stain, freckles, etc. Thereby, it becomes possible to make the state after performing the coating process in step 17 and step 20 into a natural finish.

  In the embodiment described above, in step 18, the one-shot application unit 60 to be used is selected by setting the spray distance W1, but the concentration and area of the one-shot application unit 60 can be changed by various parameters. It is a thing. Therefore, it is good also as a structure which selects the 1 shot application | coating part 60 corresponding to each pigment | dye area | region by setting various parameters other than the ejection distance W1.

  Further, in the present embodiment, the present invention is applied to a makeup intended to cover a concealing part such as a stain or freckles, but the present invention is not limited to this and can be applied to a normal makeup process. It is.

  Further, by irradiating the skin AA with an ultraviolet lamp, spots and freckles that are not yet recognized by the naked eye and are likely to occur in the future are extracted and used as a makeup region 40. It is also possible to apply an effective drug.

  The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific embodiments described above, and various modifications are possible within the scope of the gist of the present invention described in the claims. It can be modified and changed.

  Since the makeup device according to the present invention and the makeup method according to the present invention can customize the application color and application conditions according to the individual characteristics of the cosmetics purchaser, this can be used in cosmetic stores, esthetic salons, etc. It is possible to install it in

DESCRIPTION OF SYMBOLS 1 Personal computer 10 Makeup apparatus 11 Input means 12 Output means 13 Storage means 14 Image acquisition means 15 Image analysis means 16 Application means 17 Control means 18 Extraction means 19 Size detection means 20 Color difference detection means 21 Input device 22 Output device 23 Drive device 24 Auxiliary storage device 25 Memory device 26 CPU
30 Image area 40 Makeup area 41 First dye area 42 Second dye area 43 Third dye area 45 Contour 50 Robot 51 Injection nozzle 52 Main body 53 Cosmetic supply pipe 54 Air supply pipe 55 Valve body 56 Injection passage 57 Needle valve 58 Adjustment Knob 60 1-shot application part

Claims (9)

A makeup device for applying cosmetics to a makeup area on the skin,
Image acquisition means for reading an image including the makeup area;
Application means for atomizing and applying cosmetics to the makeup area;
Extraction means for extracting the makeup region and the contour of the makeup region from the image;
Size detection means for detecting the size of the extracted makeup region;
A color difference detecting means for detecting a color difference between the extracted makeup area and an external area of the makeup area;
Control means for setting the cosmetic application position and controlling the application means to apply the cosmetic to the application position;
The control means includes
When the size of the makeup area detected by the size detection means is smaller than the size that the application means atomizes and applies in one shot, the application means applies one shot of atomization to the center position of the makeup area. Carried out
Size of the makeup area detected by the size detection means, wherein, when the coating unit is larger than the size of spray coating in one shot, to the inside than the contour extracted by the extraction means, one shot A make-up device , wherein the atomizing application is performed by the application means so that the position at which the atomizing application is performed is an interval set corresponding to the color difference. The control means includes
The makeup apparatus according to claim 1, wherein the interval is changed in accordance with a color difference between the external region and the makeup region.   The makeup apparatus according to claim 2, wherein the interval is set to be smaller as the color difference is larger. An application position setting means for arranging a regular triangle having one side as the interval in the makeup area is further provided,
The makeup device according to any one of claims 1 to 3, wherein the control means sets the position of the vertex of the equilateral triangle set by the application position setting means as the application position. A makeup method in which an image of a skin including a makeup region to which cosmetics are applied is read by an imaging unit, and the cosmetic is applied to the makeup region by using the application unit based on the image.
An extraction step of extracting the makeup region and the contour of the makeup region from the image by an extraction unit ;
A size detection step of detecting the size of the extracted makeup region by a size detection means ;
A color difference detection step of detecting a color difference between the extracted makeup area and an external area of the makeup area by a color difference detection means ;
When the size of the makeup area detected in the size detection step is smaller than the size that the application means atomizes and applies by one shot, the application means applies one shot of atomization to the center position of the makeup area. performed by the control means, the size of the makeup area, wherein when the coating means is larger than the size of spray coating in one shot, inside than the contour extracted by the extraction step, one shot fog A makeup method comprising: a first coating step in which atomization coating by the coating unit is performed by the control unit so that a position where the coating coating is performed is an interval set corresponding to the color difference.   6. The makeup method according to claim 5, wherein the interval is changed in accordance with a color difference between the external region and the makeup region.   The makeup method according to claim 6, wherein the interval is set so as to decrease as the color difference increases. An application position setting step of arranging an equilateral triangle having the interval as one side in the makeup area by application position setting means ,
The makeup method according to any one of claims 5 to 7, wherein, in the first application step, the position of the vertex of the equilateral triangle set in the application position setting step is set as an application position. . Before or after performing the first application step, a second application step of applying a low-concentration cosmetic on the skin including the makeup region as compared to the cosmetic used in the first application step. The makeup method according to any one of claims 5 to 8, characterized in that the control means implements.