KR20120123628A - Skin cancer detection method - Google Patents

Abstract

PURPOSE: A skin cancer diagnosis method is provided to manage diagnosis and treatment by confirming skin cancer distribution by matching a color value and a color bar of a distribution area. CONSTITUTION: Personal information of an examinee is stored(S20). A part of skin of the examinee is photographed and an image is obtained(S30). An analysis area is setup by extracting image information. Color information is extracted by pixel and an index value is calculated(S50). The maximum value and the minimum value are analyzed. A state of the skin is expressed by color. [Reference numerals] (S10) Analyzing apparatus execution; (S100) Database; (S20) Input personal information of examinee; (S30) Load photographed image; (S40) Store image; (S50) Select image and transfer to analyzing window; (S60) Select region for analyzing; (S70) Analyze image; (S80) Requiring data of skin image; (S90) Transfer to terminal in hospital

Description

Skin cancer diagnosis method {SKIN CANCER DETECTION METHOD}

The present invention relates to a method for diagnosing skin cancer, and more particularly, to record image information obtained by precisely photographing a part of a patient's skin, read out the image information, set an analysis area, and then set color values and color bars of the set analysis area. The present invention relates to a method for diagnosing skin cancer by matching and reading the distribution of skin cancer and the degree of intensification, and displaying the result before and after the treatment of the skin cancer with information.

Recently, as the interest in skin increases, more and more people manage with attention from acne or wrinkles, to the condition of the pores, the degree of hydration of the skin, and the like. There are a variety of skin diagnosis devices that can measure and diagnose the skin condition of a patient and help to select the appropriate cosmetics or to find a problem and find a solution.

Most of these skin diagnostic devices irradiate the skin with a specific wavelength of light and analyze the specific fluorescence color of the skin irradiated with the light to detect the skin condition. A visual discriminant for magnification and visually discriminating the state is widely used.

However, the fluorescence discrimination is not only limited due to the change in the examination area by the inherent wavelength band of the diagnostic lamp, but also requires a plurality of diagnostic lamps for a wide range of diagnostics, resulting in complicated and expensive equipment and difficult operation.

In addition, the visual discrimination cannot easily identify various skin problems according to the experience of the inspector, and can easily grasp the problem or the condition of the skin that the image photographed by the light source having different characteristics is more easily.

In general, the light we can see is limited to the visible range, but light can have a beneficial or detrimental effect on humans, depending on its wavelength.

Dual light therapy is a developing and classified therapy in the new field of photodynamic therapy (PDT), which is also used today for the treatment of various cancers, and also for the treatment of infections, wounds, and various dermatological diseases. It is also used for diseases.

The photodynamic therapy method is based on the interaction of oxygen with specific photosensitizers of light. According to clinical experience, PDT, or photodynamic therapy, has advantages over other therapies for some pathological conditions. This is the most effective treatment for keratin fibers in acne and various skin cancers.

Accordingly, many studies have been conducted and applied for such a photodynamic treatment method and its treatment device at home and abroad, and an example of representative sexual propagation technology can be found in Patent Application No. 10-2008-7016016.

However, most of the current technologies focused only on methods for enhancing the effect of light treatment, but there was a problem in developing a device for diagnosing and treating a treatment area while checking the treatment area in real time.

The present invention was created to solve the problems of the prior art as described above, an object of the present invention is to precisely photograph a part of the subject's skin with a simple operation, and to set the analysis area for the photographed skin image, and then the color value. The present invention provides a method for diagnosing skin cancer so that the diagnosis, treatment and prognosis of skin cancer can be easily confirmed by matching the color bars with the color bars and outputting the analysis results according to the distribution and the degree of skin cancer.

Skin cancer diagnostic method according to an embodiment of the present invention for realizing the above object, in the skin cancer diagnostic method for analyzing and processing image information of the body part of the subject's skin,

A first step of recording and storing the personal information of the examinee; A second step of capturing a part of a subject's skin by using an imaging device having a camera module, acquiring an image, and matching and matching the information with the subject; A third step of reading photographed image information and setting an analysis region; Extracting color information of an R-G value for each pixel of the set analysis area and calculating and processing an index value based on the color information; And a fifth step of analyzing the maximum value and the minimum value of R? G from the extracted color information and expressing the color in the state of the skin.

As a preferable feature of the present invention, in the fourth step, the R? G value of the analysis region is applied to ″ 100 * (log10 (1 / G) -1.44 * log10 (1 / R) ″ to calculate an index value. In this case, R = R / r (252), G = G / g (254).

In another preferred embodiment of the present invention, the method further includes a sixth step of displaying the distribution, progression, and depth of skin cancer on a screen by matching the color bars to the analysis process values expressed in the fifth step following the fifth step. Is in.

According to still another preferred feature of the present invention, the method further includes a seventh step of collecting and storing the result value in the subject's information following the fifth step.

Skin cancer diagnosis method according to the present invention, by precisely capturing the desired part of the skin with a simple operation to easily grasp the state of the skin to load the image taken, and then set the area to be analyzed continuously by moving the analysis screen, analysis By matching the color value of the area with the color bar to check the distribution and deepening of the skin cancer, it is expected to have a useful effect for the diagnosis and treatment management of the skin of the subject.

In addition, the analyzed color value of the captured image is divided into five regions, and the ratio of the color values is numerically displayed for each region to easily determine the progress and condition of skin cancer. It has the advantage of ensuring a consistent and systematic skin care.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to that, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may properly define the concept of the term in order to best explain its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

1 is a perspective view showing a diagnostic apparatus used in the method for diagnosing skin cancer according to the present invention;
FIG. 2 is a block diagram illustrating the configuration of the diagnostic device of FIG. 1. FIG.
3 is a side view for explaining a photographing state for a subject using the diagnosis apparatus of FIG. 1;
Figure 4 is an exploded perspective view showing a filter stage of the components in the diagnostic device of Figure 1,
5 is a view showing the implementation of the arrangement of the light source among the components in the diagnostic device of FIG.
6 is a conceptual diagram showing the operation of the filter stage according to an embodiment of the present invention;
7 is a flowchart illustrating a method for diagnosing skin cancer according to the present invention;
8 is a view of the main screen shown in the display device when the program configuration of the analysis device of the skin cancer analysis method according to FIG.
9 is a view showing when driving the photographed image of the skin cancer analysis method according to FIG.
FIG. 10 is a view of moving an image to be analyzed through the image setting unit of FIG. 7 to an analysis screen; FIG.
FIG. 11 is a diagram illustrating a state in which an area for analyzing an image to be analyzed according to FIG. 10 is selected;
12 is a diagram showing the distribution and deepening of skin cancer through image analysis of the skin cancer analysis method according to FIG.

Hereinafter, a method for diagnosing skin cancer according to the present invention will be described with reference to the accompanying drawings. First, it should be noted that like elements or parts in the drawings are denoted by the same reference numerals as much as possible. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a perspective view showing a diagnostic device used in the method for diagnosing skin cancer according to the present invention, FIG. 2 is a block diagram illustrating the configuration of the diagnostic device of FIG. 1, and FIG. It is a side view for demonstrating the photographing state. 4 is an exploded perspective view showing a filter stage among the components in the diagnostic device of FIG.

The imaging device used in the method for diagnosing skin cancer according to the present invention includes a camera (2) embedded in the body (1) in order to check the condition of the skin by precisely photographing the skin of a part of the body, particularly the facial part, A monitor 11 for viewing an image is formed, and an image pickup apparatus 10 capable of capturing a specific portion of the skin by inserting a part of the face to the rear, and whether the skin cancer of the image information captured by the image capture apparatus 10 is present. The skin cancer diagnosis software program that can analyze the image so as to determine the built-in analysis device 100 is configured.

Looking at the configuration of such an image pickup device, the back of the body (1) is provided with a chin support (3) and forehead support (4) are formed to support the chin and forehead, respectively, when the face is put; Inside the body 1, the front and rear, respectively, the lens hole 51 through which the lens portion of the camera 2 passes, and the flash hole 52 through which the light of the flash 21 is formed is formed. Partition wall 5; Several UV lamps 6 are formed at the rear of the partition 5.

In addition, the cross polarization filter 712 is moved to a horizontal direction adjacent to the upper portion of the fresh hole 52 in front of the partition 5, and a rack 711 is formed at the front upper end thereof, and is formed at a predetermined interval in the lower portion thereof. The filter mounting bracket 71 is configured such that the parallel polarization filter 713 and the blocking portion 714 without the filter are formed are positioned between the flash hole 52 and the flash 21 as the horizontal movement is performed. do. A pinion 721 engaged with the rack 711 formed at the upper end of the filter mounting bracket 71 is formed at the lower end thereof, and the shaft 722 extends to the upper end to be rotatable through the upper part of the body 1. It is composed of a filter stage consisting of an adjusting handle 72 to.

In the case of the image pickup device having such a configuration, the image is taken for the face, so that the cross-polarized image, the collimated polarized image, and the UV image can be obtained by the cross-polarization filter 712, the parallel polarization filter 713, and the UV lamp 6, respectively. It is. At this time, the driving is to rotate the control handle 72 so that the necessary filter is positioned while the filter mounting bracket 71 is horizontally moved by the pinion 721 and the rack 711 is engaged.

On the other hand, Figure 5 is a view showing the type and arrangement of the light source in the imaging device for implementing the skin cancer diagnosis method of the present invention, (a) is a configuration in which the LED is arranged as a light source, (b) is a UV lamp The arrangement in which (6) is arranged is shown. On the other hand, the present invention proposes a configuration in which the light source is arranged as shown in the drawings, the present invention is not limited to this, and various light sources can be used, and the arrangement may also be appropriately arranged according to the type or amount of light.

6 is a conceptual view showing the operation of the filter stage in the configuration of the imaging device, wherein the filter stage 7 is mounted in front of the fresh hole 52 so that the upper surface has a rectangular plane and penetrates from the front to the rear. A guide bracket (73) having a through hole (731) connected to the flash hole (52); Cross-polarization filter 712 and parallel polarization filter 713 having a bottom surface corresponding to the upper surface of the guide bracket 73, extending forward and bent 90 ° downward, formed at a predetermined interval thereunder; A filter mounting bracket 71 in which a block 714, which is not formed without a filter, is formed at a predetermined interval in a horizontal movement direction, and a rack 711 is formed at a front upper end thereof; A pinion 721 engaged with the rack 711 formed at the upper end of the filter mounting bracket 71 is formed at the lower end thereof, and the shaft 722 extends to the upper end to be rotatable through the upper part of the body 1. The filter stage 7 is constituted by an adjusting handle 72. More specifically, the upper surface of the guide bracket 73, the engaging groove 732, the gap between the cross-polarization filter 712 formed in the filter mounting bracket 71, the parallel polarization filter 713 and the blocking portion 714 It is formed at the same interval as the, and the bottom surface of the filter mounting bracket 71 is mounted with a ball screw 8 so that the ball-shaped end protrudes, the cross-polarization filter 712, parallel polarization filter 713 and The blocking parts 714 are configured to be inserted into the locking grooves 732 when the blocking parts 714 are connected to the through holes 731, respectively. At this time, the ball screw (8) provides convenience by driving to be inserted into the locking groove 732 when the filter is located in the correct position.

Specific skin is imaged to diagnose skin cancer through the image pickup device 10 as described above. With reference to FIG. 2, analysis of skin cancer is performed through image information of the skin imaged by the image pickup device 10. Looking at the detailed configuration of the analysis device for the 100, the analysis device 100 is to run the software program for diagnosing skin cancer to load the captured image information and to perform the overall procedure according to the skin cancer diagnosis in each step Control unit 110, memory unit 120, display unit 130, image selection unit 140, image setting unit 150, image analysis unit 160, color value storage unit 170, color bar matching unit It consists of 180.

The controller 110 controls the operation of each component for diagnosing skin cancer according to the interlocking of the imaging device 10 and the analysis device 100, and the memory unit 120 controls the control signal of the controller 110. It reacts accordingly, and stores general information according to the operation of the analysis device 100, and the imaging information, basic information, and image information of each patient captured by the imaging device 10 are stored.

The display unit 130 displays basic information and image information of the patient in response to a control signal of the control unit 110 according to a user's selection signal, or displays general operations for diagnosing skin cancer, which will be described below. .

The image selecting unit 140 has a tree structure such that a specific portion of the recorded image information of the patients captured by the imaging apparatus 10 is selected when the captured image information of the specific patient stored in the memory unit 120 is selected. And the like.

The image setting unit 150 reacts according to the control signal of the control unit 110, and loads the captured image information of the specific patient selected by the image selecting unit 140 and then double-clicks the image to be analyzed. When the analysis is performed to diagnose skin cancer, the screen is moved to and the area button is clicked to select an image area to be analyzed. In this case, when the area to be analyzed by the image setting unit 150 is clicked continuously, the area to be analyzed is finally set.

The image analyzer 160 performs an image analysis procedure to check for skin cancer when an area to be analyzed is set according to the operation of the image setting unit 150. In the analysis, whether or not the state of skin cancer distribution is displayed on the display unit 130 through the analysis information. The color value storage unit 170 displays the numerical value according to the skin, or designates the numerical value according to the progress of skin cancer, and sets the numerical value according to the skin such as a normal state, a progressive state, and a malignant state. Will be saved.

The color bar matching unit 180 matches the color bars with the numerical values specified in the color value storage unit 170 and the area analyzed through the analysis procedure to confirm the distribution and the degree of deepening of the skin cancer. The deepening degree is displayed on the display unit 130. Meanwhile, the color bar matching unit 180 divides the color values of the analyzed region into five regions and numerically plots the ratio of the color values of each region.

Referring to FIG. 7, a method for diagnosing skin cancer using a diagnosis device including the imaging device 10 and the analysis device 100 is as follows.

First, when the image information captured by the imaging device is transmitted to the analysis device 10 to analyze whether skin cancer, the transmitted image information is classified and stored for each patient.

In order to confirm the skin cancer, the analysis device 10 executes a dedicated software program for determining skin cancer to prepare for analysis.

At this time, the software program is to manage the history of each patient, image information classification, image storage method, image image selection and analysis, whether to select a specific part of the skin, image analysis execution and image data information for each skin is stored and driven to diagnose skin cancer It is utilized in whether or not.

When the program is executed to execute an icon (not shown) for analysis, the main screen for diagnosing skin cancer is shown on the display unit 130 as shown in FIG. 8.

Subsequently, when the basic information of a specific patient is input to check whether the skin cancer is in accordance with the user's selection signal (step S20), the history information of the specific patient stored in the memory unit 120 is displayed, and the image selection unit 140 is displayed. By designating the image information captured through the image to be displayed on the display unit 130 of the patient. (S30) The image taken by the image information designation of the image selection unit 140 is shown in FIG. Will be displayed together.

Subsequently, a storage procedure is performed on the image information to determine whether the skin cancer. (Step S40) This corresponds to a procedure for starting a process of diagnosing skin cancer for the image information. That is, as shown in FIG. 9, the image analysis software photographed for skin cancer diagnosis is driven, the patient information specified above is input, and the image is stored.

Thereafter, the image to be analyzed for the analysis procedure is selected for the corresponding image and moved to the analysis window (step S50). The analysis screen of the image information moved to the analysis window is shown in FIG. 10.

In the above process, the image moved to the analysis window selects an image area to be analyzed by clicking an area button in the analysis window (step S60).

When the image region is set as shown in FIG. 11 according to the driving of the AREA button, the region to be analyzed is set by continuously designating (clicking) a desired region for analysis. That is, when the area to be analyzed by the image setting unit 150 is clicked continuously, the area to be analyzed is finally set.

The image analyzer 160 proceeds with an image analysis process to determine whether skin cancer is determined according to the operation of the image setting unit 150. After setting, the analysis button in the analysis window is pressed. If specified, the analysis procedure of the image starts. (S70) That is, the state displayed on the epidermis of the skin according to the analysis step through the image analysis unit 160 and the status of the distribution of skin cancer during the analysis are analyzed through the analysis step. The status information is displayed as shown in attached 11.

The color value storage unit 170 displays the numerical value according to the skin, or designates the numerical value according to the progress of skin cancer, and sets the numerical value according to the skin such as a normal state, a progressive state, and a malignant state. Will be saved.

The color bar matching unit 180 matches the color bars with the numerical values specified in the color value storage unit 170 and the area analyzed through the analysis procedure to confirm the distribution and the degree of deepening of the skin cancer. The deepening degree is displayed on the display unit 130.

Subsequently, as a procedure according to the analysis, the color bars match the color bars of the color values appearing in the analyzed region of the color value storage unit 170 and the skin cancers set in the color bar matching unit 180 to determine the state. have. In this case, the color bar matching unit 180 divides the color values of the analyzed region into five regions and numerically plots the ratio of the color values of each region.

Then, if the data value is requested for the corresponding information according to the analysis of the skin cancer is analyzed (S90 step), and then transmitted to the database stored in the database (S100 step). If there is no data value request according to the diagnosed skin cancer, the analyzed value is stored in a database (step S100).

Hereinafter, a detailed description of the performing step of the skin cancer diagnostic method according to the present invention.

First, record and store information including medical records including the subject's personal information.

Second, a part of the subject's skin is taken by using an imaging device having a camera module, and an image is acquired. The acquired image is matched with information including the subject's personal information, and collected and stored.

Third, the photographed image information of the subject to be analyzed is read, and an analysis target part, that is, an analysis region is set.

Fourth, color information of an R? G value is extracted for each pixel of the set analysis area. The index value is calculated based on the extracted color information.

The calculation of the index value at this time suggests that the following equation is used.

Formula: 100 * (log10 (1 / G) -1.44 * log10 (1 / R)

The R value of the pixel and the G value of the pixel

r (252), g (254)

R = R / r, G = G / g

Fifth, the maximum value and the minimum value of R? G are analyzed in the extracted color information, and the color is expressed in the state of the skin.

Sixth, following the fifth step described above, the color bars are matched to the analytical processing values expressed in the fourth step to display the distribution, progression, and depth of skin cancer on the screen.

Here, the red color of the color bar is abnormal skin, and the blue color is normal skin.

Seventh, following the fifth step, the final result is collected and stored in the subject's information.

Through the above process, the analysis area for the photographed skin image of the subject is set, and the color values and the color bars are matched to output the analysis results according to the distribution and deepening of the skin cancer. Etc. can be confirmed easily.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention. It is obvious to those who have knowledge. It is therefore intended that such variations and modifications fall within the scope of the appended claims.

10: imaging device
1: body 2: camera
3: bib support 4: forehead support
5: bulkhead 6: UV lamp
7: filter stage 8: ball screw
100: analysis device
110: control unit 120: memory unit
130: display unit 140: image selection unit
150: image setting unit 160: image analysis unit
170: color value storage unit 180: color bar matching unit

Claims (4)

In the skin cancer diagnostic method for analyzing and processing the image information of the body part skin of the subject,
A first step of recording and storing the personal information of the examinee;
A second step of capturing a part of a subject's skin by using an imaging device having a camera module, acquiring an image, and matching and matching the information with the subject;
A third step of reading photographed image information and setting an analysis region;
Extracting color information of an R-G value for each pixel of the set analysis area and calculating and processing an index value based on the color information;
A fifth step of analyzing the maximum value and the minimum value of R? G from the extracted color information and expressing the color in the state of the skin;
Skin cancer diagnostic method comprising a.
The method of claim 1,
In the fourth step, the R? G value of the analysis region is applied to ″ 100 * (log10 (1 / G) -1.44 * log10 (1 / R) ″ to calculate an index value, where R = R / r (252), G = G / g (254), the method for diagnosing skin cancer.
The method of claim 1, further comprising a sixth step of displaying the distribution, progression, and depth of skin cancer on a screen by matching color bars to the analysis process values expressed in the fifth step following the fifth step. Skin cancer diagnostic method.
The method for diagnosing skin cancer of claim 1, further comprising a seventh step of collecting and storing the result value in the subject's information following the fifth step.

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