WO2020101380A1 - 광학식 피부질환 진단장치 - Google Patents
광학식 피부질환 진단장치 Download PDFInfo
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- WO2020101380A1 WO2020101380A1 PCT/KR2019/015512 KR2019015512W WO2020101380A1 WO 2020101380 A1 WO2020101380 A1 WO 2020101380A1 KR 2019015512 W KR2019015512 W KR 2019015512W WO 2020101380 A1 WO2020101380 A1 WO 2020101380A1
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- skin
- skin disease
- lighting
- lighting group
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
Definitions
- the present invention relates to an optical skin disease diagnosis apparatus, and more specifically, as a handy type, when diagnosing a skin of a diagnosed person, a light scattered through a contact light source can be used to check the underlying shape of the skin disease of the diagnosed person, and the surrounding light source.
- a light scattered through a contact light source can be used to check the underlying shape of the skin disease of the diagnosed person, and the surrounding light source.
- the appearance of skin diseases can be checked, and by providing inclined illumination, the inclined side (side) shape of the skin disease area of the diagnosed person can be confirmed, thereby allowing skin pigmentation disease, infectious disease, and skin cancer.
- At least one of the diseases can be diagnosed, and by obtaining 3D shape information using a photometric, it relates to an optical skin disease diagnosis device for providing a three-dimensional shape.
- the 3D shape extraction technology is a digital technique for extracting a 3D shape of an object existing in the real world.
- a method of manually displaying a 3D shape of an object based on conventional computer graphics an experienced designer
- the three-dimensional model is produced by hand, which takes a lot of time and has many disadvantages in terms of quality depending on the designer's proficiency.
- it has the disadvantage of having to go through a process of measuring every day.
- the three-dimensional shape extraction technology of objects can be divided into contact type and non-contact type.
- contact type three-dimensional shape extraction high-precision three-dimensional measurement is performed by measuring three-dimensional coordinates with the measurement sensor touching the measurement part of the object to be restored. Measurement data can be obtained, but measurement is impossible in the case of an object whose shape changes when a pressure is applied or a high-temperature object.
- a non-contact 3D shape extraction technique has been proposed.
- Non-contact 3D shape extraction technology is a method of extracting a 3D shape using light reflected or transmitted from an object.
- 3D shape of the product itself or the surface can be extracted in real time without contact. The development of technology for a system capable of being continuously required.
- the photometric stereo technique is a technique of sequentially applying multiple lights to a target object and extracting the three-dimensional shape of the object using at least three images obtained through the camera. The more the number of lights, the more reliable it is. It is possible to extract the three-dimensional shape of the object.
- cameras, sensors, and the like which provide comprehensive information on conventional skin, simply photograph the operator by manually contacting the skin and acquire the information.
- a skin diagnosis device using a diagnostic lamp for diagnosing a skin condition is often used by irradiating light with a specific wavelength to the skin and analyzing a specific fluorescence color represented by the skin irradiated with the light.
- the ultraviolet lamp is mainly used as the diagnostic lamp.
- a device for diagnosing the skin condition of the face which is commonly found in cosmetics shops, etc., is equipped with a diagnostic lamp in a box in which the front is open, and a cylindrical black cloth that does not transmit light well along the outer circumferential surface of the open front of the box.
- Such a conventional skin diagnosis device is not guaranteed to be darkened, so there is a fear that measurement and diagnosis cannot be efficiently performed. Also, since the subject has to wrap the cloth around the head as described above, the shape of the head may be damaged, so the diagnosis itself is reluctant. Or you can think of such a process.
- biopsy is a pain and wound to remove skin tissue, and a lot of cost and time need.
- the present invention has been proposed in view of the problems of the prior art as described above, and the first object of the present invention is a handy type, the basis of the skin disease of a diagnosed person using light scattered through a contact light source when diagnosing the diagnosed skin.
- the first object of the present invention is a handy type, the basis of the skin disease of a diagnosed person using light scattered through a contact light source when diagnosing the diagnosed skin.
- the second object of the present invention is to diagnose skin diseases, in particular skin cancer, by using a difference between an image that illuminates light in a wavelength band absorbed by a skin disease and an image that illuminates light in a wavelength band that is not absorbed by a skin disease.
- a third object of the present invention is to have a plurality of layers including at least one or more illumination groups and image information captured through multiple sections of lighting control that divides the illumination groups into at least one or more sections, and the object surface is divided into wavelength bands.
- Skin disease objects may be classified using different reaction characteristics, and image information according to an optical path is extracted to obtain 3D information of a skin disease object, thereby obtaining a fine surface shape and texture within a 3D shape of the skin disease object.
- the fourth object of the present invention is to obtain an image for diagnosis of a skin disease object optically.
- the fifth object of the present invention is to provide three-dimensional shape of a shape by acquiring three-dimensional shape information using a photometric.
- an optical skin disease diagnosis apparatus according to an embodiment of the present invention
- a main body case 100 having a predetermined length and width that can be held by a user;
- a camera unit 200 formed on an upper side of the main body case to photograph a video image
- a first lighting group 300 arranged in a plurality of intervals around the periphery of the camera unit to provide illumination to the camera unit;
- a cap 400 coupled to the front of the main body case to maintain a certain distance from the object to be photographed;
- It includes; a control unit for skin diseases 600 for providing a photographing signal to the lighting unit by providing a lighting control signal to the lighting group with reference to the set lighting control information.
- a plurality of layers including at least one lighting group and a plurality of lighting groups are divided into at least one section, and the image information photographed through the lighting control of a plurality of sections is different, and the object surface reacts differently for each wavelength band.
- Skin disease objects can be classified using, and image information according to the optical path is extracted to obtain 3D information of the skin disease object, thereby providing a fine surface shape and texture within the 3D shape of the skin disease object.
- the skin disease object described above is a skin surface that is expected to be skin cancer
- a more precise skin disease condition can be diagnosed with respect to a region where the camera is located, thereby preventing skin diagnosis errors that may be mistaken for points. There will be.
- the present invention is characterized in that the optically acquires an image for diagnosing a skin disease object, thereby obtaining fine shape information of the skin disease when diagnosing skin disease through various wavelength bands.
- a point light source image can be obtained by providing illumination for a photometric, it provides an effect of stereoscopically identifying a skin disease site.
- 1 is an exemplary view showing the shape of a general point and skin cancer.
- Figure 2 is an exemplary diagram for diagnosing skin cancer with a handy skin cancer diagnosis device in a hospital.
- Figure 3 is a perspective view of an optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- Figure 4 is a perspective view from another angle of the optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- Figure 5 is a perspective view showing the cap and the lighting group of the optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- Figure 6 is an exemplary view showing an example of diagnosing a skin disease through scattered light, inclined light, reflected light of the optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- FIG. 7 is an exemplary view showing that a variety of image images can be obtained when an illumination group of an optical skin disease diagnosis apparatus according to an embodiment of the present invention is configured at regular intervals with lights of different wavelengths.
- the optical skin disease diagnosis apparatus is a group of illumination of a plurality of lights formed in the first illumination group 300, the second illumination group 500, and the third illumination group 700 of the optical skin disease diagnosis apparatus according to an embodiment of the present invention. Or an example showing the sequential lighting control by group.
- FIG 9 is an exemplary view showing a section control of a plurality of lights formed in the first lighting group 300, the second lighting group 500, and the third lighting group 700 of the optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- FIG. 10 is a block diagram of a controller 600 for skin diseases of an optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- FIG. 11 is a graph comparing the absorption rate on the image image taken by the first light group light source, the second light group light source, and the third light group light source of the optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- a main body case 100 having a predetermined length and width that can be held by a user;
- a camera unit 200 formed on an upper side of the main body case to photograph a video image
- a first lighting group 300 arranged in a plurality of intervals around the periphery of the camera unit to provide illumination to the camera unit;
- a cap 400 coupled to the front of the main body case to maintain a certain distance from the object to be photographed;
- the second lighting group 500 for providing illumination to the camera unit is arranged a number of intervals; characterized in that further comprises a.
- a third lighting group 700 for providing a shape is located on the upper side of the second lighting group 500 formed on the cap 400, and is formed by being arranged in a plurality of inclined intervals, thereby providing an inclined light to the camera unit, thereby providing an inclined surface of the skin disease area of the diagnoser ( Side) a third lighting group 700 for providing a shape; characterized in that further comprises.
- the optical skin disease diagnosis device the optical skin disease diagnosis device
- It is characterized by being capable of diagnosing at least one or more of skin pigment disease, infectious disease and skin cancer.
- the light source of a wavelength band that is not absorbed by the skin disease in the selected illumination group is turned on, and then a photographing signal is provided to the camera unit to obtain a video image
- It is characterized by determining the difference in absorption rate of the two acquired image images and diagnosing it as a skin disease when the determined difference in absorption rate exceeds a set threshold difference value.
- the skin disease control unit 600 the skin disease control unit 600
- a light source in a wavelength band that is not absorbed by a skin disease in any one of the lighting groups except the selected lighting group is turned on, and then a photographing signal is provided to the camera unit to obtain a video image
- It is characterized by determining the difference in absorption rate of the two acquired image images and diagnosing it as a skin disease when the determined difference in absorption rate exceeds a set threshold difference value.
- the second lighting group 500 is the first lighting group 500.
- It is characterized by providing scattered light to the camera unit 200 after the skin penetrates according to the skin contact of the diagnosed person.
- the light scattered through the contact light source of the second lighting group 500 can be used to confirm the underlying shape of the skin disease
- the appearance of the skin disease can be confirmed by using light reflected from the surface of the skin through the ambient light source of the first lighting group 300.
- first lighting group 300 the second lighting group 500 and the third lighting group 700,
- It is characterized by forming a plurality of at least two light sources of a white light source, an infrared light source, a UV light source, a yellow light source, a red light source, a green light source, and a blue light source at regular intervals.
- first lighting group 300 the second lighting group 500 and the third lighting group 700,
- the lights in the group are formed of lights irradiating the same wavelength band, and the groups are formed of lights irradiating different wavelength bands.
- the skin disease control unit 600 controls the skin disease control unit 600.
- Sections by setting sections of multiple lights formed in the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, and the third lighting group 700 It is characterized in that the lighting control is not performed.
- control unit 600 for skin diseases the control unit 600 for skin diseases
- Section setting module 620 For setting a section of a plurality of lights formed in the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, the third lighting group 700 Section setting module 620,
- the optical paths of the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, and the third lighting group 700 are operated differently. It is characterized in that it is possible to acquire images simultaneously or sequentially from the camera.
- the optical skin disease diagnosis device the optical skin disease diagnosis device
- It is characterized by providing a three-dimensional shape of the skin by acquiring three-dimensional shape information of the skin disease using a photometric.
- FIG. 3 is a perspective view of an optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- Figure 4 is a perspective view as viewed from different angles of the optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- the present invention the optical skin disease diagnosis apparatus, the main body case 100, the camera unit 200, the first lighting group 300, the cap 400, the second lighting group ( 500), it is configured to include a control unit 600 for skin diseases.
- the main body case 100 has a certain length and width that can be held by the user.
- the photographing button unit 110 is configured on one side.
- the photographing button is configured at any one of the lower side, the side and the upper side of the main body case.
- the lighting can be automatically turned on when the power is supplied, and the camera unit can be started without the configuration of the shooting button unit.
- the camera is configured to be installed inside the lights of the first lighting group 300 to take an image of the surface of the skin disease to be diagnosed. In a preferred embodiment, it is characterized in that it is formed in the central region, preferably.
- One general camera can be installed and configured, but two or more can be installed and configured as needed, and in another embodiment, a TOF camera is installed and configured.
- a TOF camera is installed and configured as a camera, it is possible to acquire 3D information, specifically, 3D distance information.
- the TOF (TIME OF FLIGHT) has color information of RGB and a distance value that is a T value, and thus can replace a conventional stereo camera, thereby providing a cost reduction effect.
- a lens part may be further included on one side of the camera part.
- a plurality of regular intervals are arranged around the outer periphery of the camera unit to install and configure the first lighting group 300 to provide illumination to the camera unit.
- the cap 400 is coupled to the front of the main body case to maintain a certain distance from the skin disease site, which is an object to be photographed, but is brought into contact with the skin of the diagnostician.
- the cap by coupling the cap to the front of the main body case, the light illuminated by the first lighting group is provided to the skin disease object.
- the second lighting group 500 is formed on the lower side of the cap, but is arranged in a plurality of intervals to provide illumination to the camera unit.
- control unit for skin disease 600 in the interior space of the main body case to provide a lighting control signal to the lighting group with reference to the lighting control information set when obtaining a shooting signal from the shooting button unit, lighting the lights This is to provide a shooting signal to the camera unit.
- FIG. 5 is a perspective view showing a cap and lighting groups of an optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- the second lighting group is formed on the lower side of the cap, that is, above the skin contact surface of the cap.
- the material of the cap may be formed of a transparent material, or may be formed of an opaque material as necessary.
- the third lighting group to be described below may be formed above the second lighting group.
- FIG. 6 is an exemplary view showing an example of diagnosing a skin disease through scattered light, inclined light, and reflected light of an optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- FIG. 6 located on the upper side of the second lighting group 500 formed on the cap 400, is formed by being arranged in a plurality of predetermined intervals at an inclined, camera unit It characterized in that it is configured to further include a third illumination group 700 for providing a tilted surface (side) shape of the skin disease area of the diagnosis by providing the oblique illumination to.
- a third illumination group 700 for providing a tilted surface (side) shape of the skin disease area of the diagnosis by providing the oblique illumination to.
- the third lighting group 700 is positioned on the upper side of the second lighting group, and is formed by being arranged in a plurality of inclined intervals, thereby providing an inclined light to the camera unit so that the inclined surface (side) of the skin disease region of the diagnosed person It will provide shape.
- It is characterized by being capable of diagnosing at least one or more of skin pigment disease, infectious disease and skin cancer.
- Skin pigment disease means, for example, spots, freckles, etc.
- infectious disease means acne bacteria, fungi, and the like.
- the first lighting group 300 provides light reflected on the surface of the skin to the camera unit 200, and the second lighting group 500 penetrates the skin according to the skin contact of the diagnostician and then scatters. Characterized in that the provided light to the camera unit 200.
- the camera unit 200 may check the underlying shape of the skin disease using light scattered through the contact light source of the second lighting group 500, and the skin surface through the peripheral light source of the first lighting group 300. It is characterized by being able to confirm the appearance of skin diseases using reflected light.
- the second illumination group 500 provides a contact light source on the skin surface, it is possible to check the underlying shape of the skin disease using scattered light.
- the size of the skin base of skin cancer is 'A'.
- the first lighting group 300 can check the appearance of the skin disease using light reflected from the skin surface through an ambient light source.
- a plurality of third lighting groups 700 are formed to be inclined on the upper side of the second lighting group at regular intervals, thereby providing inclined illumination to the camera unit, thereby providing an inclined surface (side) shape of the skin disease area of the diagnosed person. Is done.
- a dark field image can be obtained, thereby providing an effect of making the skin cancer region stand out, thereby providing an effect to stereoscopically check the skin cancer region.
- a skin disease object is a skin surface that is expected to be skin cancer
- first lighting group 300 and the second lighting group 500 and the third lighting group 700 are:
- It is characterized by forming a plurality of at least two light sources of a white light source, an infrared light source, a UV light source, a yellow light source, a red light source, a green light source, and a blue light source at regular intervals.
- a white light source is arranged at regular intervals, an infrared light source is arranged at a regular interval on one side of the white light source, and a UV light source is arranged on one side of the infrared light source.
- a lighting group when configured with illuminations of different wavelength bands at regular intervals, various images can be obtained.
- FIG. 7 a general image of a skin disease site through a white light source and a skin disease through an infrared light source It is possible to acquire an IR image of a site through a UV light source.
- first lighting group 300 and the second lighting group 500 and the third lighting group 700 are:
- the lights in the group are formed of lights irradiating the same wavelength band, and the groups are formed of lights irradiating different wavelength bands.
- the first illumination group 300 has a wavelength range that provides white light
- the second illumination group 500 has a wavelength range that provides infrared light
- the third illumination group 700 has a wavelength range that provides UV light. It can also be formed as.
- a desired wavelength band of IR, visible light, or UV is applied to each lighting group differently.
- the skin disease control unit 600 of the present invention is the skin disease control unit 600 of the present invention.
- Sections by setting sections of multiple lights formed in the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, and the third lighting group 700 It is characterized in that the lighting control is not performed.
- the collective lighting control for each group of lights is to collectively control the first lighting group 300, the second lighting group 500, and the third lighting group 700.
- the first lighting group 300 is turned on
- the second lighting group 500 is turned on after 0.5 seconds
- the third lighting group 700 is turned on after 0.5 seconds, and the like, the lighting group is collectively controlled.
- the sequential control of lighting for each group of lights includes white light on of the first lighting group 300, IR light on after 0.5 sec, UV light on after 0.5 sec, yellow light on after 0.5 sec, red light on after 0.5 sec, 0.5 sec It is to sequentially control the lighting groups, such as blue light on after, green light on after 0.5 seconds, and the like.
- the white light of the first lighting group 300 / the second lighting group 500 / the third lighting group 700 after 0.5 seconds, the first lighting group 300 / the second lighting group 500 / the third lighting IR light on of group 700, UV light on first lighting group 300 / second lighting group 500 / third lighting group 700 after 0.5 second, first lighting group 300 after 0.5 second Yellow light on / 2nd lighting group (500) / 3rd lighting group (700) On, after 0.5 seconds, 1st lighting group (300) / 2nd lighting group (500) / 3rd lighting group (700) red light On, after 0.5 seconds
- the lighting groups are sequentially controlled, such as blue light on of the first lighting group 300 / second lighting group 500 / third lighting group 700, green light on after 0.5 seconds, and the like.
- Sections by setting sections of multiple lights formed in the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, and the third lighting group 700 It is characterized in that the lighting control is not performed.
- FIG. 10 is a block diagram of a controller 600 for skin diseases of an optical skin disease diagnosis apparatus according to an embodiment of the present invention.
- the skin disease control unit 600 As shown in Figure 10, the skin disease control unit 600,
- Section setting module 620 For setting a section of a plurality of lights formed in the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, the third lighting group 700 Section setting module 620,
- the optical paths of the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, and the third lighting group 700 are operated differently. It is characterized in that it is possible to acquire images simultaneously or sequentially from the camera.
- the group-specific lighting control module 610 is provided to the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, and the third lighting group 700.
- a group of groups of lights are collectively controlled or a group of lights are sequentially controlled.
- the second lighting group 500 is turned on, all lights forming the first first lighting group 300 are turned on, and after 0.5 seconds. All the lights forming the second lighting group 500 are turned on.
- the section setting module 620 is formed in the first lighting group 300, the second lighting group 500 or the first lighting group 300, the second lighting group 500, the third lighting group 700 It is for setting up a section of lights.
- section A A11 to A13 lighting in the first lighting group, A21 to A24 lighting in the third lighting group, and A31 to A35 in the second lighting group Lighting.
- the metric lighting control module 630 obtains the set lighting control information for each section or the lighting control information for each group and provides a control signal to a plurality of lights existing in the corresponding section or group.
- lighting control may be performed by dividing into a specific section of a specific group.
- section A of the first lighting group only the lights A11 to A13 are lit.
- the section setting module 620 may set a section, and may set a lighting group existing in the section.
- section setting and group setting can be performed simultaneously, such as turning on only the first lighting group of the first A section, turning on only the second lighting group of the A section after 0.5 seconds, turning on only the third lighting group of the A section after 0.5 seconds, etc. It can be configured to be able to.
- a simultaneous lighting signal can be sent to a plurality of lights present in all groups, and a lighting signal may be sent by dividing into groups or by sections or by dividing into specific sections of a specific group, and sequentially lighting signals. .
- images of various wavelength bands can be acquired, and at the same time, various optical paths can be acquired, so that the surface of the skin disease area can be classified by using the characteristic that the surface of the skin disease site reacts differently for each wavelength band.
- image information By extracting image information and acquiring 3D information of the skin disease region, it is possible to provide a fine surface shape and texture within the 3D shape of the skin disease region.
- the skin disease control unit 600 controls the skin disease control unit 600.
- It may be configured to further include an image processing module for processing in a three-dimensional shape through the image information of the skin disease portion stored in the memory module.
- the characteristics of the skin cancer may be analyzed by injecting a specific wavelength band that fluorescently reacts to the skin cancer.
- the skin disease control unit 600 in order to obtain three-dimensional information, the three-dimensional shape generation module, the surface shape generation module, the three-dimensional shape surface matching module further includes.
- the 3D shape generation module is to generate a 3D shape by obtaining a 3D value when the camera is a TOF camera, and the surface shape generation module is to generate a surface shape based on photometric image information. .
- the surface shape information is matched with the 3D shape information generated from the 3D shape generation module and the surface shape generation module by the 3D shape surface matching module.
- control unit 600 for skin diseases the control unit 600 for skin diseases
- the shape information of the skin disease target surface stored in the memory module 640 is transmitted to an external terminal through wireless communication.
- the cloud server by providing the matched 3D stereoscopic image to the cloud server 3000 configured at a remote location, the cloud server generates surface diagnosis information for skin diseases.
- users can obtain the corresponding surface diagnosis information by accessing the cloud server anytime, anywhere through an external terminal, for example, a smart device, having the surface diagnosis information of the skin disease.
- the diagnostic app is mounted on the smart device.
- the skin disease control unit 600 controls the skin disease control unit 600.
- the skin disease control unit 600 specifically, the skin disease diagnosis unit,
- the light source of a wavelength band that is not absorbed by the skin disease in the selected illumination group is turned on, and then a photographing signal is provided to the camera unit to obtain a video image
- It is characterized by determining the difference in absorption rate of the two acquired image images and diagnosing it as a skin disease when the determined difference in absorption rate exceeds a set threshold difference value.
- a photographing signal is provided to the camera unit to obtain a video image.
- the green light source which is a light source of a wavelength band that is not absorbed by the skin disease in the selected first lighting group, is turned on, and a photographing signal is provided to the camera unit to obtain a video image.
- the difference in absorption rate between the two acquired image images is determined, and if the determined difference in absorption rate exceeds the set threshold difference value, it is diagnosed as a skin disease.
- the threshold difference value is set to 40%.
- the absorption rate in general, when the light emission is 45% in the case of 100% light emission, the absorption rate is 55%, which means that the skin disease (eg, skin cancer) is absorbed.
- the skin disease control unit 600 specifically, the skin disease diagnosis unit,
- a light source in a wavelength band that is not absorbed by a skin disease in any one of the lighting groups except the selected lighting group is turned on, and then a photographing signal is provided to the camera unit to obtain a video image
- It is characterized by determining the difference in absorption rate of the two acquired image images and diagnosing it as a skin disease when the determined difference in absorption rate exceeds a set threshold difference value.
- a red light source which is a light source of a wavelength band absorbed by a skin disease in the first lighting group, and then providing a photographing signal to a camera unit to obtain a video image do.
- the green light source which is a light source of a wavelength band that is not absorbed by skin diseases in the second lighting group among the second lighting group and the third lighting group except for the selected first lighting group, is turned on, and then the camera unit is turned on.
- a video image is obtained by providing a shooting signal.
- the difference in absorption rate between the two acquired image images is determined, and if the determined difference in absorption rate exceeds the set threshold difference value, it is diagnosed as a skin disease.
- the threshold difference value is set to 40%.
- the above-mentioned absorption rate threshold difference value is collected by configuring the machine learning skin disease learning unit for setting and learning the set number of skin disease (eg, skin cancer) images using a machine learning technique in the cloud server 3000 By learning the absorption rate in the skin disease image, the optimal absorption rate threshold difference value is set to increase the accuracy of skin disease diagnosis.
- skin disease eg, skin cancer
- the accuracy of skin disease diagnosis is further enhanced through the machine learning skin disease learning department.
- the present invention as a handy type, when diagnosing the skin of a diagnosed person, it is possible to confirm the underlying shape of the skin disease of the diagnosed person using light scattered through a contact light source, and skin disease using light reflected from the surface of the skin through an ambient light source It is possible to check the external appearance of the skin, and by providing an inclined light, it is possible to check the shape of the inclined side (side) of the skin disease area of the diagnoser, so that at least one or more of skin pigment disease, infectious disease and skin cancer can be diagnosed. By doing so, anyone can easily photograph the surface of a skin disease object at a low price, and exhibit the effect of checking the surface condition in a three-dimensional shape and increasing the probability of skin cancer diagnosis in case of skin cancer.
- the optical skin disease diagnosis apparatus is a handy type, and when diagnosing the skin of a diagnoser, it is possible to check the underlying shape of the skin disease of the diagnoser using light scattered through a contact light source, and is reflected from the skin surface through an ambient light source.
- the appearance of the skin disease can be confirmed by using light, and at least one or more of skin pigment disease, infectious disease, and skin cancer can be identified by providing an inclined light to check the shape of the inclined side (side) of the skin disease area of the diagnosis.
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Claims (9)
- 광학식 피부질환 진단장치에 있어서,사용자에 의해 파지할 수 있는 일정 길이와 폭을 가지고 있는 본체케이스(100)와;상기 본체케이스의 상측에 형성되어 영상 이미지를 촬영하기 위한 카메라부(200)와;상기 카메라부 외곽 주변으로 일정 간격 다수 배열되어 카메라부에 조명을 제공하기 위한 제1조명그룹(300)과;상기 본체케이스의 전방에 결합되어 촬영 대상체와의 일정 거리를 유지시키되, 진단자의 피부에 접촉되는 캡(400)과;설정된 조명 제어 정보를 참조하여 조명그룹에 조명 제어 신호를 제공하여 조명들을 점등시키며, 카메라부에 촬영 신호를 제공하기 위한 피부질환용제어부(600);를 포함하여 구성되는 것을 특징으로 하는 광학식 피부질환 진단장치.
- 제 1항에 있어서,상기 캡의 하측에 형성되되, 일정 간격 다수 배열되어 카메라부에 조명을 제공하기 위한 제2조명그룹(500);을 더 포함하여 구성되는 것을 특징으로 하는 광학식 피부질환 진단장치.
- 제 1항 또는 제 2항에 있어서,상기 캡(400)에 형성된 제2조명그룹(500)의 상측에 위치하되, 경사지게 일정 간격 다수 배열되어 형성됨으로써, 카메라부에 경사 조명을 제공하게 되어 진단자의 피부 질환 부위의 기울어진 면(측면) 형상을 제공하기 위한 제3조명그룹(700);을 더 포함하여 구성되는 것을 특징으로 하는 광학식 피부질환 진단장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,광학식 피부질환 진단장치는,피부 색소 질환, 감염성 질환, 피부암 중 적어도 어느 하나 이상의 질환을 진단할 수 있는 것을 특징으로 하는 광학식 피부질환 진단장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 피부질환용제어부(600)는,제1조명그룹(300), 제2조명그룹(500), 제3조명그룹(700) 중 어느 하나의 조명그룹을 선택하고, 해당 조명그룹 내의 피부 질환이 흡수하는 파장대의 광원을 점등시킨 후, 카메라부에 촬영 신호를 제공하여 영상 이미지를 획득하며,일정 시간 경과후, 상기 선택된 조명그룹 내의 피부 질환이 흡수하지 않는 파장대의 광원을 점등시킨 후, 카메라부에 촬영 신호를 제공하여 영상 이미지를 획득하며,상기 획득된 2 개의 영상 이미지의 흡수율 차이값을 판단하고, 판단된 흡수율 차이값이 설정된 임계 차이값을 벗어날 경우에 피부 질환으로 진단하는 것을 특징으로 하는 광학식 피부질환 진단장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 피부질환용제어부(600)는,제1조명그룹(300), 제2조명그룹(500), 제3조명그룹(700) 중 어느 하나의 조명그룹을 선택하고, 해당 조명그룹 내의 피부 질환이 흡수하는 파장대의 광원을 점등시킨 후, 카메라부에 촬영 신호를 제공하여 영상 이미지를 획득하며,일정 시간 경과후, 상기 선택된 조명그룹을 제외한 조명그룹 중 어느 하나의 조명그룹 내의 피부 질환이 흡수하지 않는 파장대의 광원을 점등시킨 후, 카메라부에 촬영 신호를 제공하여 영상 이미지를 획득하며,상기 획득된 2 개의 영상 이미지의 흡수율 차이값을 판단하고, 판단된 흡수율 차이값이 설정된 임계 차이값을 벗어날 경우에 피부 질환으로 진단하는 것을 특징으로 하는 광학식 피부질환 진단장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 제1조명그룹(300)은,피부 표면에 반사되는 빛을 카메라부(200)로 제공하며,제2조명그룹(500)은,진단자의 피부 접촉에 따라 피부 투과 후, 산란되는 빛을 카메라부(200)로 제공하는 것을 특징으로 하는 광학식 피부질환 진단장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 카메라부(200)는,제2조명그룹(500)의 접촉 광원을 통해 산란되는 빛을 이용해 피부 질환의 기저 형상을 확인할 수 있으며,제1조명그룹(300)의 주변 광원을 통해 피부 표면에서 반사되는 빛을 이용해 피부 질환의 외형을 확인할 수 있는 것을 특징으로 하는 광학식 피부질환 진단장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 제1조명그룹(300)과 제2조명그룹(500) 및 제3조명그룹(700)은,백색 광원, 적외선 광원, UV 광원, 옐로우 광원, 레드 광원, 그린 광원, 블루 광원 중 적어도 2개 이상의 광원들을 일정 간격 다수 형성하여 그룹을 이루는 것을 특징으로 하는 광학식 피부질환 진단장치.
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KR20210055948A (ko) | 2019-11-08 | 2021-05-18 | 주식회사 엠마헬스케어 | 접촉과 비접촉 방식으로 피부 상태를 진단하는 피부 진단기 |
KR102406249B1 (ko) | 2021-11-08 | 2022-06-08 | 채학수 | 브러시, 상기 브러시의 동작 방법 및 상기 브러시를 포함하는 병변 관리 시스템 |
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