JP3524916B1 - Digital zoom skin diagnostic device - Google Patents

Abstract

Kind Code: A1 A digital zoom skin diagnostic apparatus is provided which allows a person to be diagnosed 10 to perform imaging by himself / herself with a small number of operations and a simple description, and to accurately and accurately determine skin parameters in a short time with few operation errors. A high-resolution color image of the entire face of a subject 10 is captured by a digital camera 13 having 6 million pixels. Image data of a plurality of processing regions is cut out from one piece of photographed image data, and the parameter values of the skin are calculated. The size of the image data of the processing area is set in accordance with the method of calculating the parameter value to be obtained, so that a complicated calculation can be completed in a short time. In addition, since the image data of the processing area is digitally zoomed and displayed on the LCD monitor screen 16 and the same digital zoom image is arranged in the printout of the diagnosis result by the printer 15 in comparison with the calculated parameters, the diagnosis result and the parameter are displayed. Can be intuitively understood.

Description

Detailed Description of the Invention 【Technical field】

The present invention relates to a skin diagnostic apparatus for photographing a face of a person to be diagnosed and calculating skin parameters from photographed image data to create a diagnosis result.

[Background technology]

[0002] A part of the face of a person to be diagnosed is photographed to
A skin diagnostic device for determining parameters such as texture, wrinkles, dullness, stains, roughness, temperature, elasticity, sensitivity, melanin, skin age, pore condition, and amount of sebum has been put into practical use. Patent Document 1 discloses a skin diagnostic device that performs image processing on a skin image to determine parameters of wrinkles and texture. Patent Literature 2, Patent Literature 3, Patent Literature 4, and the like also disclose a skin diagnostic apparatus that performs image processing on an enlarged skin image to determine a plurality of parameters.

[Patent Document 1] Japanese Patent Laid-Open No. 3-118036

[Patent Document 2] Japanese Patent Laid-Open No. 5-245113

[Patent Document 3] JP-A-7-12544

[Patent Document 4] Japanese Patent Laid-Open No. 7-19839

DISCLOSURE OF THE INVENTION [Problems to be Solved by the Invention]

In the conventional skin diagnosis apparatus, a hand-held camera head is used to perform photographing at predetermined diagnostic positions such as the cheek, knee, and eyebrow of the person to be diagnosed. Therefore, it is necessary to perform photographing as many as the number of diagnostic positions. was there. Therefore, even when operating a camera with a dedicated operator, it is easy to make an error in the imaging procedure or machine operation, and in a system in which the person to be diagnosed takes an image himself, it is necessary to explain the camera operation etc. through the personal computer screen for a long time. there were. It is an object of the present invention to provide a digital zoom skin diagnostic apparatus that allows a person to be diagnosed to perform an operation by himself / herself with a small number of operations and a simple explanation, and to accurately calculate skin parameters with few operation mistakes.

[Means for Solving the Problems]

The digital zoom skin diagnostic apparatus of the present invention takes a high-resolution image of the entire face, sets at least one processing region in the taken image data of the entire face, cuts out the image data of the processing region, and cuts it out. In a digital zoom skin diagnostic device that processes image data of a processing region to calculate skin parameters, a digital camera arranged toward the imaging position of the person to be diagnosed, and trigger means operable by the person to be examined at the imaging position. , Start the shooting procedure after waiting for the trigger operation by the person to be diagnosed, operate the digital camera and shoot a high-resolution image of the entire face, and reduce the entire face by overlapping the setting frame corresponding to the processing area. It has an output means for outputting the diagnosis result based on the parameter to the person to be diagnosed in a format in which the entire image and the enlarged image of the processing area are arranged.

【The invention's effect】

In the digital zoom skin diagnostic apparatus of the present invention,
A person to be diagnosed directly executes a trigger operation to take a picture of his or her entire face with a digital camera. After imaging, for example, in a state where a reduced entire image formed from captured image data is displayed on the monitor screen and shown to the person to be diagnosed, the image data of the processing region is cut out from the captured image data, image processing is performed, and diagnosis is performed. Calculate the required skin parameters. After the parameters are calculated, the diagnosis result based on the parameters is displayed on the monitor screen or printout in a format in which a reduced whole image of the entire face on which a setting frame corresponding to the processing area is superimposed and an enlarged image of the processing area are arranged. Output to the person.

In the digital zoom skin diagnostic device of the present invention,
Since the person to be diagnosed directly executes the trigger operation, it is not necessary for the operator to perform the trigger operation. Then, even without an operator, the diagnosis result based on the parameters is output to the diagnosis subject in a format in which the reduced entire image of the entire face on which the setting frame corresponding to the processing region is superimposed and the enlarged image of the processing region are arranged. Therefore, the person to be diagnosed has no room to doubt that the diagnosis is his / her own diagnosis, and it is possible to provide information on the diagnosis result that is full of reality and persuasiveness. Further, even when skin diagnosis is performed using images of a plurality of processing areas, if the images of the respective processing areas are cut out from the same imaged image data, the number of times of shooting is basically one, and shooting is performed at each analysis place. No need to do. Also, if the calculated parameters are not appropriate, you can cut another place from the same captured image data,
Since the parameters can be corrected by changing the analysis conditions and re-analyzing, it is not necessary to take the photograph again.

Further, since the image data to be calculated is cut out to reduce the data amount, the diagnosis result can be output in a short time even if a complicated calculation is performed by an inexpensive calculation device. And, compared to the case of taking images for each of a plurality of diagnostic positions using the handheld camera head, there is less possibility of shooting mistakes, operation mistakes and calculation mistakes, and time is saved.
Accurate diagnosis results can be acquired quickly. Since the operator's burden is light and no special ability or qualification is required, the diagnostic cost is low. Also, unlike partial images in which you cannot know who the photo is once mixed, the entire face image data that allows you to check the subject at a glance is saved, so you can definitely select the necessary data from the mixed data and It is easy to provide an easy-to-understand output print that is arranged. Further, since the skin condition of the entire face remains as data, it is possible to extract information that cannot be accurately determined from the partial image, such as atopic disease, ultraviolet damage, and aging degree, or to make visual determination.

BEST MODE FOR CARRYING OUT THE INVENTION

The diagnosis result is output to a person to be diagnosed through a monitor screen or a printout by selecting a sentence by using the skin parameters alone or in combination, or by graphing the skin parameters. Preferably, the diagnostic results are arranged in a side-by-side format with a digital zoom photograph of the processing area, with a reduced image of the entire face also attached, in order to enhance the visual impression and reliability. The sentences and graphs of the diagnostic results are
It is arranged alongside the digital zoom photograph of the processing area for which the corresponding parameters have been calculated, and in a format that can be understood in correspondence with these images. In addition, the system is similar to the ID photo automatic shooting box or the photo sticker automatic shooting box, so that the person to be diagnosed can take a picture himself with a few operations and a simple explanation, and the skin parameters can be accurately determined with few operation mistakes. .

[Example 1]

FIG. 1 is a side view of the digital zoom skin diagnostic apparatus of the first embodiment, FIG. 2 is an explanatory view of a monitor screen display, FIG. 3 is a flowchart of diagnostic processing, and FIG. 4 is an explanatory view of a parameter calculation method.

As shown in FIG. 1, the digital zoom skin diagnostic apparatus of the first embodiment is configured to have an appearance and operation similar to those of an ID photo automatic photographing box or a photograph sticker automatic photographing box. The inside of the digital zoom skin diagnostic apparatus of the first embodiment has a shield wall 24 having a transparent glass window in the center.
It is partitioned by and is divided into a photography room 11 and a machine room 12. In the machine room 12, a 6-megapixel digital camera 13 and a light source 19 for driving a high-frequency driven fluorescent lamp 20 are arranged. The angle of view 17 and focus of the digital camera 13 are the chair 22
It is adjusted so as to capture the entire face of the person to be diagnosed 10 who is sitting on the chair. In addition to the button 18, the light source 19, and the digital camera 13, a coin slot 25 for collecting the fee, the photographing room 11
Also connected to the personal computer 14 is the liquid crystal monitor screen 16 arranged in and the printer 15 for printing out the determination result.

The chair 22 of the photographing room 11 is a high-back type having a seat back height adjustable and a fixed high backrest, and the face of the person to be diagnosed 10 within the angle of view 17 (imaging range). The digital camera 13 is positioned at the focal position. The step 21 having a narrow width controls the foot position of the person to be diagnosed 10 to sit straight on the chair 22 and prevents the face from protruding to the left and right of the angle of view 17. A blue background screen 23 is arranged on the wall surface behind the subject 10 to facilitate automatic discrimination of the contour of the face from the photographed image.

When the person to be diagnosed 10 sits on the chair 22 of the photographing room 11 and inserts a 500-yen coin into the coin slot 25, the light source 19 is activated and the fluorescent lamp 20 is turned on, and the subject to be examined photographed by the digital camera 13 is activated. A live image of the person 10 is displayed on the liquid crystal monitor screen 16 to enter a shooting standby state. If the face is out of the angle of view 17 when looking at the live image, the person to be diagnosed 10 adjusts the height of the chair 22 and the angle of view 17
Fit in. Subsequently, when the person to be diagnosed 10 operates the button 18, the digital camera 13 is activated to take an image of the entire face of the person to be diagnosed 10, and the digital camera 13 immediately causes the personal computer 1 to operate.
One piece of image data of about 2000 × 3000 dots is transferred to No. 4. The personal computer 14 executes image processing and parameter calculation while displaying the reduced entire image of the captured image on the liquid crystal monitor screen 16 to create a diagnostic result. Then, the diagnostic result is displayed on the liquid crystal monitor screen 16, and the diagnostic result is printed out from the printer 15 in parallel. As shown in FIG. 2, on the liquid crystal monitor screen 16, enlarged images 32, 33, and 34 of three display areas cut out from the captured image data are displayed side by side with the reduced image 31 of the entire captured image. Further, the frames 35, 36, and 37 corresponding to the processing areas are displayed so as to be superimposed on the reduced image 31.

The processing area corresponds to the image data cut out to the optimum size for image processing to calculate the skin parameters, and is a 2 cm square at the actual size on the face. Eyes are detected, and three points are automatically set corresponding to the eyes, the eyes and the cheeks. On the other hand, the display area is set to have a constant shape and size at a predetermined digital zoom magnification, corresponding to each processing area. The enlarged image 32 is an image obtained by performing dot-interpolation on the image data of an actual 1.5 cm square area, which is cut out from the inside of the processing area (frame 36), by digital zooming up to 5 cm square. The magnified image 33 is an image obtained by digitally zooming the image data of the processing area (frame 35) of the corner including the part of the eye up to a 5 cm square. The enlarged image 34 at the bottom is
It is an image obtained by digitally zooming an area of 3 cm square in actual size centering on the cheek processing area (frame 37) up to 5 cm square. A little later than these images, the numerical values of the skin parameters and their explanations are displayed next to the magnified images 32, 33, and 34 corresponding to the processed regions, respectively. The magnified image 32 of the white tail corresponds to the parameters of skin color and pores, the magnified image 33 of the messing corresponds to the texture and wrinkle parameters, and the magnified image of the cheeks 34 corresponds to the spots and dullness parameters.

The skin diagnosis by the personal computer 14 is executed in the sequence shown in FIG. When the coin slot 25 receives a coin in step 111, the light source 19 is driven in step 112 to enter the photographing standby state. Step 1
When the operation of the switch 18 is received at step 13, step 11
Then, the process proceeds to step 4, and shooting and image data transfer are executed. Further, the digital zoom image is enlarged in step 115, and the image is displayed on the liquid crystal monitor screen 16 in step 116. In step 117, the image data of the three processing regions cut out from the captured image data is processed to calculate the skin parameters. In step 118, the skin parameters calculated in the three processing areas are comprehensively determined to create a diagnosis result, and printout data in which an image is combined with the diagnosis result is created. In step 119, the printer 1
5 is operated to print out the diagnosis result to the person to be diagnosed 10. Similar to the case of the liquid crystal monitor screen 16 shown in FIG. 2, the printout of the diagnosis result is arranged on the reduced image of the entire face, and three digital zoom images with different magnifications are arranged in the same size, and the skin color, wrinkles and wrinkles are displayed. , The results of diagnosis and problems of texture, stains, dullness and pores, treatment methods, recommended cosmetics, and care methods are described in more detail.

As shown in FIG. 4, the density distribution function in the horizontal direction is obtained from the image data of the processing areas of the sun and cheeks, and the average value 41 of the functions is obtained for each of the three primary colors of RGB to determine the skin color. Further, two threshold values 42 and 43 are set in the concentration distribution function in the horizontal direction, and the number of intersecting points is counted to obtain the density of minute irregularities on the skin. The skin texture parameter is calculated by repeating and averaging this operation for a plurality of horizontal transverse lines set in the measurement areas of the sun and cheeks.

Further, the wrinkle parameter is calculated by performing the same operation for a plurality of vertical transverse lines set in the image data of the processing area of the eye-mark. Since the unevenness of wrinkles has a longer cycle than the texture and the difference in light and dark densities on the image is large, the upper and lower thresholds are set wider than those of the texture, and the number of intersecting points is counted. Moreover, pores are extracted by creating an XY two-dimensional density distribution of the processing region of the white tail and changing the threshold value to perform binarization. The pore parameters are calculated from the density and size of the pores in the processing area. In addition, an XY two-dimensional density distribution is created from the R image data of the cheek processing area,
The threshold value is changed and binarized to extract the stain (melanin). The parameter of the blot is calculated from the size and the number of the blot. Then, the dullness parameter is calculated from the flesh color and the blemishes and texture parameters.

In the digital zoom skin diagnosis apparatus of the first embodiment configured as described above, a digital camera of 6 million pixels is adopted to photograph an area of width 20 cm and height 30 cm, and a high resolution color of about 2000 × 3000 dots is obtained. Since an image is photographed, it is possible to secure a sufficient data amount for parameter calculation of about 200 × 200 dots even for image data of a small processing area of 2 cm square. Further, even if a digital zoom process for enlarging a 1.5 cm square to a 5 cm square is performed, it is possible to display and print out an image with sufficient resolution. Also,
Since the image data of a plurality of processing areas is cut out from one piece of photographed image data to calculate the parameter value of the skin, the number of photographing times is only one. It is also possible to calculate the parameter values by setting the measurement area (chin, nose, soap, etc.) of.

Further, even in the case of photographed image data in which the contour of the face protrudes from the angle of view 17 and the measurement area cannot be automatically set, a person manually resets the measurement area from the large image of the remaining portion and sets the parameter value. It is also possible to calculate again. Even if the calculated values of the parameters do not match the actual situation, it is possible to analyze the reason why they do not match by observing the entire captured image data. Even if a mole or hair causes an abnormality in the parameter value, it is possible to perform an automatic process to eliminate the abnormal value by gradually shifting the processing region and calculating the parameter value. In any case, even if the determination result is abnormal, it is not necessary to retake the image, and it is possible to quickly and surely match the imaged image data, which is difficult to obtain with the disjointed partial images. Moreover, since the area of the processing area is 2 cm × 2 cm, it should be placed on a woman's face with a width of 13 cm and a length of about 20 cm without protruding from the contours and avoiding the unevenness and inclination of the face, the shadow of lighting and the influence of hair. It is possible. And
Since the image data of the processing area is light data of 200 × 200 dots, even heavy calculation of complicated filter image processing can be completed in a short time.

Further, since the position and orientation of the person to be diagnosed are controlled by the high-back type chair 22 and the narrow step 21 to set the position and orientation of the face to be constant, the contour of the face goes out of the angle of view 17. It is difficult to stick out, and captured image data with a large amount of information can be obtained by capturing the face at the full angle of view 17 of the digital camera 13. Further, since the illumination is turned on at the same time when the coin is inserted and the photographing standby state is set and the digital camera 13 is activated after waiting for the button 18 to be operated by the person to be diagnosed, the fluorescent lamp 20 which is slower in light intensity than the strobe lighting is stable. You can expect a good lighting effect, and you will not close your eyes at the same time as you shoot. Further, since the image data of the processing area is cut out from the captured image data and the image is provided to the person to be diagnosed 10 through the liquid crystal monitor screen 16 and the printer 15, it is possible to provide information full of reality and persuasiveness. The image data in the plurality of display areas are digitally zoomed at different magnifications and provided as images having a common size, so that a beautiful image display and printout can be obtained.

Further, the magnified images 32, 33, 34 are given different magnifying powers, optimized for parameter understanding, and output side by side with the parameter values calculated from the image data of the processing area corresponding to the display area. , Even the person to be diagnosed 10 who does not have specialized knowledge can intuitively understand the meaning of a dry numerical value by associating the numerical value with the image,
The persuasiveness of the diagnosis result is improved. Since the enlarged image of the display area is output side by side with the image of the entire face, the person to be diagnosed 1
0 is presented with a conclusion, reason, and evidence at the same time, and is guided to a mental situation that cannot be refuted, and even if an unacceptable diagnostic result is output, it is difficult to receive complaints. In addition, the process from shooting to printout is controlled automatically by a commercially available cheap PC 14, and a dedicated operator or administrator is not required.
Even at a low price of 500 yen, you can secure a high profit comparable to an automatic photography box for ID photos and photo stickers.

In the digital zoom skin diagnosing device of the first embodiment, the personal computer 14 is used to automatically perform the process from photographing to printing out, but a system for performing counseling with a dedicated operator is constructed. Good. For example, on the outer wall surface of the machine room 12, the LCD monitor screen 1
6 and the switch 18 and keyboard are arranged to seat the operator. Then, while the live image is displayed on the liquid crystal monitor screen 16, the operator guides the posture of the person to be diagnosed 10 from the outside of the imaging room 11, and the operator switches 18
You may start shooting by operating. The operator asks the subject 10 several questions,
You may ask the user about the sleeping hours of yesterday, the type of cosmetics you are using, etc., and enter them on the keyboard.

Further, in the digital zoom skin diagnosis apparatus of the first embodiment, only the photographed image data photographed by the digital camera 13 is judged. However, a capacitance sensor as disclosed in JP-A-59-28646 is used. A skin water content measuring head may be provided, and the skin water content parameter may be added to the determination item. Further, a measuring head for measuring the amount of water evaporation as shown in JP-A-10-286283 or a measuring head for sebum secretion using ground glass pieces as shown in JP-A-56-158639 is added. You may. In addition, the digital zoom skin diagnosis apparatus of the embodiment can be used as a sales tool for selling cosmetics and a communication tool for beauty treatment.

FIG. 5 is an explanatory diagram of a digital zoom skin diagnostic apparatus of the second embodiment, and FIG. 6 is an explanatory diagram of monitor screen display.
Here, a counseling system having a minimum configuration of the notebook computer 54 and the digital camera 53 will be described.
As shown in FIG. 5, the monitor screen 5 of the notebook computer 54
A digital camera 53 is attached to the upper part of 6, and the laptop computer 54 and the digital camera 53 are operated by remote control,
The notebook computer 54 is connected so that settings and image data can be transferred. The notebook computer 54 incorporates dedicated diagnostic imaging software for performing these input / output operations, image processing, and parameter calculation to create diagnostic results. Digital camera 53
Waits for a command from the notebook computer 54 and activates the strobe light 55 to capture a high-resolution color image of the entire face of the subject 10. The counselor 50 is the diagnosed person 1.
The notebook computer 54 is operated in a state of facing 0 to perform skin diagnosis and counseling of the person to be diagnosed 10. The counselor 50 guides the posture and position of the person to be diagnosed 10 by watching the live image displayed on the monitor screen,
4 is operated to photograph the entire face of the subject 10. When an image is automatically transferred from the digital camera 53 to the notebook computer 54 following the shooting, a measurement screen as shown in FIG. 6 is displayed.

A reduced image 60 of the entire face of the subject 10 is displayed on the left side of the monitor screen 56, and the counselor 50
A mouse pointer is dragged on the reduced image 60 to set a square processing area. The area A initially set is automatically image-processed to calculate wrinkle and texture and skin color parameters. The second set region B is automatically image-processed to calculate the spot and melanin parameters. A fixed frame of area A and area B is displayed on the right side of the monitor screen 56, and the manually set image data of area A and area B is 2
Digital zoom enlargement is performed at a variable magnification up to one fixed frame to form enlarged images 61 and 62. Also, enlarged image 6
A question frame 63 provided with YES and NO entry frames is displayed below 1, 62. The counselor 50 reads the question in the question frame 63, hears the answer from the person to be diagnosed 10, and checks the YES and NO entry frames in the question frame 63 with the mouse. Finally, when the diagnostic switch at the bottom of the question frame 63 is clicked with the mouse, the skin diagnostic result based on the calculated parameters and the question answer is displayed on the monitor screen 56. The skin diagnosis result includes a reduced image of the entire face on which a frame indicating the processing area is overlapped and a plurality of digital zoom enlarged images corresponding to the diagnosis result. The counselor shows the monitor screen 56 on which the skin diagnosis result is displayed to the person to be diagnosed 10 and performs counseling.

Since the digital zoom skin diagnosis apparatus of the second embodiment can be used with the minimum configuration of the notebook computer 54 and the digital camera 53, it can be freely carried and diagnosis can be immediately started at the visited place. In addition, the system can be completed simply by installing the dedicated software using standard equipment on the market, so it is inexpensive and quick in delivery, out of stock, and it is easy to fix problems such as repairing problems and changing questions. Further, the counselor 50 can perform the skin diagnosis only by performing a simple computer operation and reading the question frame 63 displayed on the monitor screen 56. Therefore, even a person who lacks specialized knowledge or practical experience can accurately and promptly perform the operation without making an erroneous operation. Various diagnostic results can be obtained. Also,
Since the position and area of the processing area are set manually, it is possible to respond flexibly such as avoiding large moles and scratches.Selecting the processing area that is more desirable than automatically and mechanically setting an accurate diagnostic result. Is obtained.

In the digital zoom diagnostic apparatus of the second embodiment, the processing area is set manually, but the processing area may be automatically set by automatically detecting the contour of the face and eyes. Also, instead of dragging the mouse point to set the processing area of variable size, by dragging the frame image of a certain size overlaid on the face image with the mouse and moving it to any position, You may make it possible to always set a processing area of a fixed size. Furthermore, the digital camera 53
Is not fixed to the notebook computer 54, a mechanism with a motor that can rotate the direction of the digital camera 53 about 10 degrees in the horizontal direction and the vertical direction is provided. The shooting range may be moved vertically and horizontally. For example, a live image taken by the digital camera 53 is displayed on the personal computer screen in a small window, and the cursor keys on the keyboard are used to display the live image.
Part of the diagnostic software is modified so that the direction of 3 can be operated. The operator 50 refers to this live image and operates the cursor keys so that the entire face of the person to be diagnosed 10 fits in the center of the screen in good balance. As a result, the entire face can be guided to the center of the imaging range of the digital camera 53 without the subject being moved.

FIG. 7 is an explanatory view of the digital zoom skin diagnosis apparatus of the third embodiment, FIG. 8 is an explanatory view of lighting switching, FIG. 9 is an explanatory view of a photographing screen, FIG. 10 is an explanatory view of an analysis screen, and FIG. 11 is skin. It is a flowchart of a diagnostic sequence. Here, a skin diagnosis system that sequentially performs visible light imaging and ultraviolet light imaging will be described. As shown in FIG. 7, a single lens reflex type 12
The million-pixel digital camera 73 is a notebook computer 74
Connected to the shutter timing, shutter speed,
Aperture value, zoom amount, and other shooting conditions and output specifications are set and controlled.

The illumination control unit 71 is connected to the notebook computer 74 and controlled by dedicated diagnostic software. The illumination control unit 71 supplies high-frequency power to the fluorescent lamp 80 and the black light 79 to suppress the variation of the illumination amount within the shutter time, and keeps the light always on to avoid the variation of the rising light amount. The illumination control unit 71 drives the motor 72 with reference to the output of a position detection sensor (not shown), rotates the table 76, and switches the illumination of the fluorescent lamp 80 and the black light 79. The fluorescent lamp 80 is a daylight color, and a diffuser plate 81 is arranged to form a surface light source. The motor 72 rotates the pulley 75 to drive the timing belt 77, rotates the table 76 by 180 degrees, and illuminates the entire face of the subject 10 with a fluorescent lamp 80 and a black light 79, as shown in FIG. Alternate to the desired position. Digital camera 73
The space from the person to be diagnosed 10 is the fluorescent lamp 80 facing backwards.
The output light of the black light 79 or the black light 79 is stored in a dark box 84 designed so as not to directly enter the digital camera 73.
Behind the person to be diagnosed 10 is arranged a dark curtain that shields incident light from the rear. The subject 10 faces the digital camera 73 by placing his chin on a chin rest 78 fixed to the edge of the floor of the dark box 84. The chin rest 78 is positioned at the focal position of the digital camera 73 so that the entire face of the person to be diagnosed fits within the angle of view.

A diagnostic screen is displayed on the screen of the notebook computer 74 which has started the diagnostic software as shown in FIG. 9. When the analysis button 97 on the diagnostic screen is clicked, the diagnostic screen is switched to the analytical screen shown in FIG. . A live image 92 for a monitor taken by the digital camera 73 is displayed on the diagnostic screen. When the shooting button 95 is clicked in this state, the digital camera 73 starts shooting,
A reduced entire image 91 of the face of the subject 10 is displayed with the chin resting on the chin rest 78. Setting frames 85, 86, 87 of the processing area are displayed so as to be superimposed on the reduced entire image 91, and the setting frames 85, 86, 87 can be moved to arbitrary positions by dragging with the pointers. On the right side of the diagnostic screen, an enlarged image 93 obtained by digitally zooming the processing areas of the setting frames 85, 86, 87 is displayed.
You can switch between full-blown and messy images. The reduced entire image 91 can be switched between a visible light image and an ultraviolet light image by selecting the tab at the upper left. In the case of the reduced entire image of the ultraviolet light image, the setting frame of the processing region is displayed on the tail, below the eyes (above the cheekbones), and on the nose (not shown). The position of the setting frame can be adjusted by operating the pointer as in the case of the visible light image, and the enlarged image 93 can be switched to an image of each processing region by selecting a tab.

When the analysis button 97 is clicked in a state where the visible light and the ultraviolet light have been photographed and the reduced entire image 91 is displayed, the analysis screen shown in FIG. 10 is displayed. And
Image data of each processing region of the visible light image and the ultraviolet light image is processed to calculate various parameters. After that, when the confirmation button 108 on the analysis screen is clicked, the diagnostic screen is displayed again. Then, note that the parameter values of wrinkle, texture, skin color, dullness, and uniformity obtained in the three processing regions of the visible light image and the parameters of stains, freckles, sebum, and pores obtained in the three processing regions of the ultraviolet light image are notes. Personal computer 74
Are collated with the analysis result data stored in (1) and are summarized in the diagnosis result 94 on the diagnosis screen. When the print button 98 is clicked while the diagnosis result 94 is displayed, the reduced visible light image 91, the enlarged image 93 of each processing area, and the analysis result are displayed as 1
A color print sheet is printed out by arranging it on a sheet of paper.

By the way, when the user clicks on the confirmation button 108 on the analysis screen after proceeding to photographing and analysis, the photographed image data of visible light and ultraviolet light, together with the image data of each processing region, various calculated parameters, and the analysis result, is set to 1 It is automatically saved in one diagnostic folder under the name of the diagnostic number.
Therefore, the notebook computer 74 stores a large number of diagnostic folders for each imaging and diagnosis. A list of these diagnostic folders is displayed when the read button 96 on the diagnostic screen is clicked. If one is selected from this, visible and ultraviolet image data can be called from that diagnostic folder to perform analysis and diagnosis again. . However, when the old image data is called, the automatic save is not executed when the confirmation button 108 is clicked on the analysis screen, and when the new diagnostic result needs to be saved, the save button 99 is clicked on the diagnostic screen. It is necessary to save it separately. As a result, the processing area set in the previous analysis can be set again, or the image data can be re-analyzed by performing manual image processing, and the diagnostic result 94 can be rewritten and saved in the original folder. . You can also leave the original folder as is and create a new diagnostic folder with a different name.

As shown in FIG. 10, on the analysis screen, the horizontal analysis line 109 and the vertical analysis line 110 are displayed in a superimposed manner on the magnified image 103 of shading-corrected visible light, and a tab is selected. You can switch between display, hitai, and messing. For the selected processing region, a red density distribution 104 along the horizontal analysis line 109 and its differential value distribution 105, and a red density distribution 106 along the vertical analysis line 110 and its differential value distribution 107 are displayed. ing. Then, threshold values shown by broken lines are set for the density distribution and the differential value distribution. The number of times the threshold value has hysteresis and crosses the density distribution and the differential value distribution is counted and integrated for all analysis lines 109 and 110 of the enlarged image 103. The cumulative result in the differential value distribution is numerically displayed vertically and horizontally in the texture table 101, and the cumulative result in the concentration distribution is numerically displayed horizontally and vertically in the roughness table 100. The ratio of the number of horizontal crosses to the number of vertical crosses is also displayed in Tables 100 and 101, respectively. That is, the intervals of the crosses appearing in the differential value distribution correspond to small irregularities, that is, the texture, the intervals of the crosses appearing in the concentration distribution correspond to the large swell, that is, wrinkles, and the horizontal / vertical ratio indicates the directionality of the wrinkles and the texture. ing. Until the confirmation button 108 is clicked, the analysis line 109 in the horizontal direction and the analysis line 110 in the vertical direction for each enlarged image can be dragged with the pointer and moved to an arbitrary height position. Then, each time it moves, the various parameters based on the threshold value are recalculated, and the numerical values in Tables 101, 102, and 103 are rewritten.

In addition, the standard deviation of the density averages is calculated by calculating the density averages of red, green, and blue in a plurality of small areas set in the enlarged image, and the calculation results show the uniformity of other tables 102. Filled in the box. Further, the flesh color is obtained in the cheek and white processing area, and the gray level of the flesh color is calculated and entered in the dull frame. Further, the red density distribution 121, the green density distribution 122, and the blue density distribution 123 of the pixels of the entire enlarged image are also displayed in a graph, and the variation of the skin color is visually indicated by the peak shape.

As shown in FIG. 11, when the diagnostic software of the personal computer 74 is started in step 130, step 13
The motor 72 is driven by 1 and the side of the fluorescent lamp 80 is turned to the side of the person to be diagnosed 10. Then, in step 132, the fluorescent lamp 80
Then, the black light 79 is started to be supplied with electric power and is constantly turned on. In step 133, the diagnostic screen of FIG. 9 is opened and the live image 92 of the digital camera 73 is displayed. When the photographing button 95 is clicked in step 134, photographing and analysis in step 135 and thereafter are executed, and when the read button 96 is clicked in step 150, reanalysis in step 151 and thereafter is executed.

In step 135, the shutter is opened for the first time to perform visible light photographing, and immediately after step 13
At 6, the image is transferred to the notebook computer 74. continue,
In step 137, the motor 72 is driven, the table 76 is rotated, the black light 79 is directed toward the subject 10, and at the same time, in step 138, the second shutter is opened to perform ultraviolet light imaging. And step 1
The motor 72 is driven in the reverse direction by 39, and the table 76
Is rotated to return the fluorescent lamp 80 to the state in which it is directed to the person to be diagnosed 10. Then, in step 140, the ultraviolet light image data is transferred to the notebook computer 74. When the transfer is completed, the reduced entire image 91 is displayed on the diagnostic screen in step 141, and the operator reduces the reduced entire image 9 of visible light and ultraviolet light.
1 and the enlarged image 93 are confirmed, and if necessary, the positions of the setting frames 85, 86 and 87 of the processing area are adjusted.

When the analysis button 97 is clicked in step 142, the process proceeds to step 143 and the analysis screen shown in FIG. 10 is displayed. In step 144, the parameters are calculated with the threshold value common to the previous analysis. The operator switches the enlarged image 103 and changes the enlarged image 103 each time the tables 101, 102, 1
Check each value of 03, if necessary, the concentration distribution 104, 10
The threshold value is adjusted on the graph of 6 and the differential value distributions 105 and 106. When the confirmation button 108 is clicked in step 145, a diagnostic result is created in step 146 based on the calculated parameter value. Further, the enlarged image data, the parameter value, and the diagnosis result 94 of the photographing data processing area up to this point are collected and recorded and stored in one folder with a diagnosis number as a name. In step 148, the diagnostic screen in which the diagnostic result 94 is entered is displayed, and the standby state for the next imaging or reanalysis is set.

On the other hand, when the read button 96 on the diagnostic screen is clicked in step 150, a list of past folders is displayed, and when one is selected and opened, visible light image data and ultraviolet light image data of that folder are displayed. The data is read out,
In step 151, the reduced entire image 91 is displayed.
At this time, the setting frames 85, 86, 87 in the previous analysis
And each threshold are reproduced. And step 15
Click the confirmation button 108 in step 2 and step 153
The analysis screen is displayed with. The operator moves the setting frames 85, 86, 87 on the reduced entire image 91 of the diagnosis screen,
Density distributions 104, 106 and differential value distribution 10 on the analysis screen
5 and 107, the threshold value is set again, and a different parameter from the previous time is calculated to obtain a different diagnostic result.
4 can be led. Confirm button 1 in step 155
When 08 is clicked, the diagnosis result 94 is created and the diagnosis screen is displayed. If the diagnosis result 94 has changed in the intended direction, the operator presses the save button 99 to display a list of diagnosis folders and asks whether to overwrite the previous diagnosis folder or newly record and save in a new folder. Select and execute.

According to the digital zoom skin diagnostic apparatus of the third embodiment, since the fluorescent image is taken by illuminating it with the black light 79, stains, sebum, moisture,
Accurate diagnosis of parameters such as stratum corneum thickness and pores. Therefore, the skin condition can be evaluated more comprehensively, and the amount of sebum and the amount of water can be diagnosed without separately providing a moisture sensor or a sebum sensor. Further, since the fluorescent lamp 80 and the black light 79 are placed on the table 76 and are constantly turned on, the instability after the start of discharge can be avoided, and the amount of light is stable and highly reproducible as compared with the case where the fluorescent lamp 80 is turned on for each shooting. Can be executed. Also, black light 79
Is directed to the person to be diagnosed 10 immediately before the ultraviolet light photographing, and after the photographing, it is first moved out in advance of the image transfer, and the time to the person to be diagnosed 10 is minimized to avoid unnecessary ultraviolet ray exposure. Therefore, the subject does not have unwanted sunburn or UV allergy. Further, since the fluorescent lamp 80 and the black light 79 are switched by rotating the table 76, the arrangement space is saved, and the face of the person to be diagnosed 10 can be efficiently illuminated nearby while sufficiently securing the optical path of the digital camera 73. Since the entire device including the shield wall of the optical system is configured compactly and the drive mechanism is simple, it is possible to provide a system that is inexpensive, easy to use and easy to carry.

Further, since the chin rest 78 is provided so that the position of the face of the person to be diagnosed can be reproduced constantly, the fluctuation of the illumination state of the face and the enlargement factor are reduced, and the defocus of the digital camera 73 is also reduced. It's hard to get up. Also, the reduced entire image 91
Since a tab is provided on the enlarged image 93 so that a plurality of images can be selectively displayed, and a visible light image and a cheek image that are frequently observed and adjusted are arranged on the foreground, it is easy to see as compared with a case where they are all arranged on the screen. Images are available, and selection, viewing and setting can be done efficiently and quickly without fail.

Further, the setting frames 85, 86, 87 and the threshold values are reproduced to be the same as those at the time of the previous photographing analysis, so that they can be adjusted on the reduced entire image 91 and the density distributions 104, 106, etc., if necessary. Therefore, compared to the case of resetting each time, there is less error due to setting, and if there is a confusion factor such as moles or hair, avoid it and set frames 85, 8
Flexible correspondence such as setting 6, 87 is possible. In addition, the image data and diagnosis results are summarized for each imaging analysis.
Since the data is recorded in one diagnostic folder and the diagnostic folder is opened later so that the same image data can be used for re-analysis and re-diagnosis, if the diagnosis result does not match the actual situation, the same person to be diagnosed 10 is Without calling and repeating shooting
It is possible to analyze the cause and correct the diagnostic result in a form that matches the actual situation. And even in the case of re-analysis, the analysis conditions such as the threshold value are also reproduced at the beginning,
It is easier to analyze and modify the diagnostic results.

In the digital zoom diagnostic apparatus of the third embodiment, the illumination is switched between visible light and ultraviolet light by using the fluorescent lamp 80 and the black light 79, but the visible light is replaced by natural light, white LED or strobe light. Alternatively, the ultraviolet light may be generated by a special strobe, LED or laser. Also, combinations of irradiation contents different from those of the third embodiment, such as visible light and infrared light, visible light and radio waves (for moisture detection), monochromatic light and white light, may be used. Further, although the processing area is set manually, the processing area may be automatically set by automatically detecting the contours and eyes of the face. Also, instead of dragging the mouse point to set the processing area of variable size, by dragging the frame image of a certain size overlaid on the face image with the mouse and moving it to any position,
You may make it possible to always set a processing area of a fixed size.

[Brief description of drawings]

[0042]

FIG. 1 is a side view of a digital zoom skin diagnosis apparatus according to a first embodiment.

FIG. 2 is an explanatory diagram of a monitor screen display.

FIG. 3 is a flowchart of a diagnostic process.

FIG. 4 is an explanatory diagram of a method for calculating skin parameters.

FIG. 5 is an explanatory diagram of a digital zoom skin diagnosis device according to a second embodiment.

FIG. 6 is an explanatory diagram of a monitor screen display.

FIG. 7 is an explanatory diagram of a digital zoom skin diagnosis device according to a third embodiment.

FIG. 8 is an explanatory diagram of switching illumination.

FIG. 9 is an explanatory diagram of a diagnostic screen.

FIG. 10 is an explanatory diagram of an analysis screen.

FIG. 11 is a flowchart of diagnostic software.

[Explanation of symbols]

10 diagnostic person 11 photographing room 12 machine room 13 digital camera 14 personal computer (control means, calculation means) 15 printer (output means) 16 liquid crystal monitor screen (output means) 17, 57 angle of view (imaging area) 18 switch 19 Light source 20, 80 Fluorescent lamp (high frequency drive) 21 Step (regulator, narrow) 22 Chair (regulator, high-back type) 23 Blue background screen 30 Background 31, 60 Reduced image 32, 33, 34, 61 of the whole face 62 Enlarged image (corresponding to display area) 35, 36, 37 Frames (processing area) 41 Average value 42, 43 Threshold value 50 Counselor 53, 73 Digital camera 54, 74 Notebook computer 55 Strobe 56 Monitor screen 63 Questionnaire 64 Diagnosis Button 70 Skin diagnosis system 71 Certification control unit 72 Motor 75 Pulley 76 Table 7 Timing belt 78 Chin 79 Black light 81 Diffuser 84 Dark box 85, 86, 87 Frame 91 Reduced overall image 92 Live image 93 Enlarged image 94 Analysis result 95 Shoot button 96 Read button 97 Analysis button 98 Print button 99 Save button 100, 101, 102 Table 103 Enlarged image 104, 106 Density distribution 105, 107 Differential value distribution 109, 110 Analysis line

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) A61B 5/00 A61B 5/107 G03B 17/53 G06T 1/00

Claims (13)

(57) [Claims] 1. A high-resolution image of an entire face is photographed, at least one processing region is set in photographed image data of the entire face, the image data of the processing region is cut out, and the image data of the cut-out processing region is extracted. In a digital zoom skin diagnostic device that processes and calculates skin parameters, a digital camera placed toward the imaging position of the person to be diagnosed, trigger means that the person to be operated can operate at the imaging position, and trigger operation by the person to be diagnosed Waiting for the start of the shooting procedure, operating the digital camera to shoot a high-resolution image of the entire face, and reducing the entire face by enlarging the setting frame corresponding to the processing area. And a means for outputting a diagnosis result based on a parameter to a person to be diagnosed in a format in which images are arranged. 2. The digital zoom skin diagnosis apparatus according to claim 1, wherein the control means makes it possible to start an imaging procedure by determining receipt of cash inserted by the person to be diagnosed. 3. The digital zoom skin diagnosis apparatus according to claim 1, wherein the control means determines that cash is received, and turns on the illumination for photographing, and operates the trigger means of the person to be diagnosed while the illumination for photographing is turned on. A digital zoom skin diagnostic device characterized by waiting. 4. The digital zoom skin diagnostic device according to claim 1, further comprising a regulating unit for controlling a position and a posture of a person to be diagnosed so as to set a face position and a direction to be constant, and the digital camera is controlled by the regulating unit. A digital zoom skin diagnostic device characterized in that it is arranged toward the face position of the diagnosed person. 5. The digital zoom skin diagnosis apparatus according to claim 1, wherein the photographed image data and the calculated parameter are stored together, and the photographed image data is called afterwards to modify the processing area to recalculate the parameter. A digital zoom skin diagnostic device characterized by being capable of performing. 6. The digital zoom skin diagnosis apparatus according to claim 1, wherein a machine room in which a digital camera and a control unit are arranged and an imaging room in which a chair for a patient to be diagnosed are arranged are separated by a partition wall, and a chair for the patient to be examined is divided. A digital zoom skin diagnostic device that features a blue screen on the wall of the shooting room behind it. 7. The digital zoom skin diagnosis apparatus according to claim 1, wherein a density distribution function along a straight line crossing the processing area is extracted from the image data of the processing area, and upper and lower two threshold values are set in the density distribution function. A digital zoom skin diagnosis apparatus characterized in that a texture parameter is obtained by counting the number of intersecting points. 8. The digital zoom skin diagnosis apparatus according to claim 1, wherein a predetermined digital zoom magnification is applied to each of the digital zoom magnifications, and a plurality of enlarged images having a constant shape and size corresponding to a plurality of processing regions are displayed on a monitor screen or printed. A digital zoom skin diagnostic device characterized by being placed outside. 9. The digital zoom skin diagnosis apparatus according to claim 1, wherein a coin slot for detecting cash insertion by a person to be diagnosed, a machine room and a photographing room are separated by a partition wall, and a digital camera is arranged in the machine room. It has a chair for a diagnostician, a coin slot of a coin slot, and a photographing box in which a trigger means is arranged in a photographing room.The control means responds to the output of the coin slot and operates the trigger means by the person to be diagnosed. A digital zoom skin diagnostic device that enables the following. 10. The digital zoom skin diagnosis apparatus according to claim 1, wherein when the person to be diagnosed operates the trigger means, the digital camera is operated to photograph the face of the person to be diagnosed, and after photographing, a reduced entire image of the photographed image is obtained. A digital zoom skin diagnostic apparatus, which executes image processing and parameter calculation while displaying on a monitor screen. 11. The digital zoom skin diagnosis apparatus according to claim 1, wherein when a person to be diagnosed operates a trigger unit, a photographing procedure is started, and after photographing, a photographed image in which a setting frame corresponding to a processing area is overlapped is reduced. A digital zoom skin diagnosis apparatus, characterized in that image processing and parameter calculation are executed in a state where an entire image and an enlarged image of a processing region are displayed on a monitor screen. 12. The digital zoom skin diagnosis apparatus according to claim 1, wherein when a person to be diagnosed operates a trigger means, a photographing procedure is started, and a moving image photographed by a digital camera is monitored until the trigger means is operated. A digital zoom skin diagnosis device characterized by being displayed on the screen. 13. The digital zoom skin diagnosis apparatus according to claim 1, wherein the imaging procedure is started when the person to be diagnosed operates the trigger means, and a moving image taken by a digital camera is monitored until the trigger means is operated. A digital zoom skin diagnostic device characterized by performing image processing and parameter calculation in a state in which a reduced entire image of a captured image is displayed on a monitor screen while being displayed on a screen while being displayed.