KR20210017448A - Facial skin diagnostic machine - Google Patents

Abstract

The present invention relates to a facial skin diagnostic machine. According to the present invention, the distances of a camera and a lamp are made uniform during face imaging. As a result, a precise 3D face model and an image of a main part can be obtained and accurate analysis can be provided with respect to various facial skin problems. The present invention includes: an imaging box having an opening portion for face insertion on one side; an imaging stand provided in the imaging box, having a facing plate facing the face inserted in the opening portion, and installed such that the facing plate is pivoted in the horizontal direction about the face by pivot drive means; cameras on the facing plate of the imaging stand; and lamps on the facing plate of the imaging stand. The cameras are at regular intervals in the up-down and left-right directions about the middle portion of the facing plate of the imaging stand. The lamps include general light and functional lamps uniformly arranged around the cameras about the middle portion of the facing plate of the imaging stand.

Description

Facial skin diagnostic machine {Facial skin diagnostic machine}

The present invention relates to a facial skin diagnostic device, and more particularly, a facial skin diagnostic device capable of diagnosing a user's skin condition by photographing a face, forming a 3D image, irradiating the wavelength and lighting of a special lamp on the skin of the face, and then photographing it with a camera About.

Recently, as economic conditions and living conditions have improved, interest in facial skin care is also increasing, and many people check the condition of the facial skin through various channels such as skin care salons, massage shops, and dermatologists, and use appropriate cosmetics or drugs. By doing so, it is increasing the management and treatment effect for the facial skin.

Since the skin condition of the face changes according to the season and varies from person to person, it is very important to diagnose accurately for proper management and treatment.

The facial imaging device used as an equipment for diagnosing the skin condition of the face is a device that acquires an image of the skin of the face, and the doctor plays the role of helping the patient's skin treatment and diagnosis according to skin diseases and skin conditions. It is a skin image analysis system that analyzes skin lesions to be observed using fluorescence and polarization.

However, since it is difficult to analyze various skin problems using only images taken in normal light, the above facial imaging apparatus has been improved with general skin imaging equipment such as video scopes and functional imaging equipment such as fluorescence and polarization imaging equipment. Since the diagnostic devices are configured with hardware of a single mode, the number of diagnosable skin lesions is limited, and there is a problem of providing non-reproducible results due to contact measurement.

As a diagnostic device for solving this problem, as disclosed in Korean Patent Application Laid-Open No. 10-0853655 (hereinafter referred to as'Prior Art 1'), a single-mode imaging system in which fluorescence and polarization are separated is mainstream. Recently, although an imaging system for diagnosing color images and fluorescent images using white light and ultraviolet rays has been released, when acquiring skin images using white light, the regular reflection of the skin surface is not considered. In this case, the stability and irradiation of the light source were not proven to be constant. In addition, in order to obtain a uniform and high-quality image, uniformity of the light source irradiated to the subject is essential.

In addition, the apparatus and method for generating a 3D face model for skin analysis according to Korean Patent Laid-Open No. 10-2014-0028415 (hereinafter referred to as'Prior Art 2') include: By shooting at multiple angles, it is possible to create a three-dimensional realistic face model for skin analysis, and by sequentially changing and providing different types of lighting when photographing the subject's face, the skin texture using the characteristics of each light Disclosed is a technology capable of generating

However, in the prior art 2, a plurality of cameras for generating a 3D face model by photographing a person's face from multiple angles, and a plurality of light sources for irradiating white light, polarized light, or UV light to provide different types of illumination Is arranged on one side of the shooting box, and it is difficult to create an accurate 3D face model because the distance between the face, camera, and light source differs depending on the placement location, and the brightness of the light source irradiated to the front and side of the face is not uniform. It is difficult to obtain a quality video. Therefore, it is difficult to accurately analyze various skin problems that may occur in various places on the face such as pores, pigmentation, wrinkles, oil, moisture, elasticity skin tone, skin temperature, and dark circles.

The present invention is to solve the above problems, and the object is to make the distance between the camera and the lamp uniform when photographing a face to obtain a precise 3D face model and images of the main parts, which can occur in various places on the face. It is to provide a facial skin diagnostic device that can accurately analyze various skin problems.

In order to achieve the above object, the present invention includes a photographing box formed with an opening for inserting a face on one side; A photographing table provided in the photographing box and having a face facing plate inserted through the opening and installed to rotate the face plate in a horizontal direction centered on the face by a turning driving means; A plurality of cameras disposed on the opposing plate of the photographing table; And a plurality of lamps disposed on the opposing plate of the photographing table, wherein the plurality of cameras are arranged at regular intervals in the vertical, left and right directions centering on the center of the opposing plate of the photographing table, and the plurality of lamps It is characterized by a facial skin diagnosis device consisting of a plurality of normal light lamps and functional lamps uniformly arranged around each camera centered on the center.

In addition, the present invention further comprises a headrest provided in the photographing box to support the forehead portion so that the position of the face inserted through the opening is constant, and a handle provided on the bottom of the photographing box to support the photographing posture. It is characterized by facial skin diagnosis.

In addition, the present invention, a table for placing the photographing box; And a multi-joint mechanism fixed between the table and the photographing box to adjust the position of the photographing box.

In addition, in the present invention, the photographing box includes an outer box with an open upper portion, an inner box with an upper portion blocked by an upper plate, a cover covering the open upper portion of the outer box, and an opening of the photographing box provided on the cover. It is characterized by a facial skin diagnosis device consisting of a curtain for opening and closing.

In addition, in the present invention, the turning drive means of the photographing stand includes an electric motor having a rotation shaft installed in a vertical direction through the upper plate of the inner case at a center position of the turning movement of the photographing stand, and the electric motor extending from the photographing stand. It is characterized by a facial skin diagnosis device consisting of an arm that is fixed to the rotating shaft of and rotates by driving an electric motor.

In addition, in the present invention, the turning drive means of the photographing stand includes a vertical axis installed in a vertical direction through the upper plate of the inner case at a center position of the pivot movement of the photographing stand, and a vertical axis extending from the photographing stand and fixed to the lower end of the vertical axis It is characterized by a facial skin diagnosis device comprising an arm, an electric motor installed at an upper portion between the outer box and the inner box, and a power transmission mechanism for transmitting the rotational force of the electric motor to a vertical axis.

In addition, in the present invention, the turning driving means further includes a turning guide mechanism, the turning guide mechanism is formed in the direction of the turning movement of the photographing stand and installed in the inner case, and the guide rail is fixed to the arm of the photographing stand. It is characterized by a facial skin diagnosis device made of guide blocks installed to be guided to

According to the present invention having the above characteristic configuration, since a photographing table equipped with a plurality of cameras and lamps rotates in a horizontal direction centered on the face to take pictures, the camera is photographed with respect to the front and left and right sides of the face. By making the irradiation distance of the lamp uniform, a precise 3D face model can be obtained, and by selectively irradiating a plurality of ordinary light lamps and functional lamps, it is possible to accurately solve various facial skin problems that may occur in various places on the face. By diagnosing, it is possible to increase skin care and treatment effects by using appropriate cosmetics or drugs.

1 is a perspective view showing a facial skin diagnostic device of the present invention.
Figure 2 is a perspective view of the facial skin diagnosis device shown by projecting the inside of the shooting box in the present invention.
3 is a partially cut-away perspective view of a photographing box showing the internal configuration of the photographing box in the facial skin diagnosis device of the present invention.
4A and 4B are exploded perspective views showing a photographing box and an internal configuration in the facial skin diagnosis device of the present invention.
Figure 5 is a front view showing a photographing box in the facial skin diagnosis device of the present invention.
Figure 6 is a cross-sectional view of the photographing box showing the turning driving means of the photographing stand in the facial skin diagnosis device of the present invention.
Figure 7 is a partially cut-away perspective view of a photographing box showing another modified example of the turning driving means of the photographing table in the facial skin diagnosis device of the present invention.
Figures 8a to 8c is a state of use of the facial skin diagnostic device of the present invention.

Hereinafter, a facial skin diagnosis device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 show a facial skin diagnosis device according to the present invention, and as shown, a table 20 for installing a photographing box 10 and a photographing box 10 is provided, and the table 20 and photographing The multi-joint mechanism 30 is fixed between the boxes 10 so as to adjust the vertical, left and right positions of the photographing box 10.

The photographing box 10 is formed in a cylindrical shape having an internal space, so that an opening 11 for inserting a face into the internal space is formed on one side, and the opening 11 can be opened and closed with a curtain 12 when shooting. It is designed to prevent light from leaking out.

3 and 4A to 4B, the photographing box 10 has a double structure consisting of an outer box 13 and an inner box 14. The outer box 13 is opened at the top for assembly of other components to be covered with a cover 15, and the inner box 14 is covered with a top plate 14a.

In addition, referring to FIGS. 2 and 3, a headrest 16 supporting the forehead portion is provided at an upper portion of the shooting box 10 so that the position of the face inserted through the opening 11 is always constant, and the shooting box 10 ) Is provided with a handle 17 for stably supporting the photographing posture on the bottom of the outer box 13.

A photographing table 40 for photographing a face is installed in the space inside the photographing box 10 as described above. The photographing table 40 has a counter plate 41 facing the face inserted through the opening 11. In addition, the photographing table 40 is configured to rotate the counter plate 41 in a horizontal direction centered on the face by a turning drive means described later, and the turning angle is 60 to 70 degrees left and right with the front as the center. It is desirable.

It is good to make the center of the turning motion coincide with the crown of the head in the state where the face is placed in the opening 11 of the photographing box 10. Therefore, it is preferable to set the position of the headrest 16 installed in the photographing box 10 so that the crown portion is automatically located at the center of the turning motion when the face is inserted into the opening 11.

In addition, a'+'-shaped alignment indicator 45 is formed in the center of the counter plate 41 of the photographing table 40, and a beam having a shape matching the alignment indicator 45 is irradiated on the headrest 16. A laser launcher 46 can be installed. This is because when the beam irradiated from the laser launcher 46 does not exactly match the alignment display unit 45 of the photographing table 40 while the user supports the forehead on the headrest 16, the user moves his or her face arbitrarily. The headrest 16 supported on the forehead can be finely adjusted, so that the beam irradiated from the laser launcher 46 coincides with the alignment display unit 45, thereby accurately aligning the face to the shooting position, thereby allowing more precise shooting. have.

At this time, it is preferable that the fixed end of the headrest 16 is made of an elastic material capable of slight flow, and the laser launcher 46 is turned off after alignment so that the laser beam does not interfere with photographing.

4A to 4B, a plurality of cameras 50 and lamps 61 to 64 are disposed on the counter plate 41 of the photographing table 40, and the plurality of cameras 50 is the counter plate 41 ) The photographing can be controlled by being electrically connected to the main board 42 installed inside, and a plurality of lamps 61 to 64 are electrically connected to a separate lamp PCB 43 provided inside the counter plate 41 As a result, the lamps 61 to 64 can be switched on and off, and the lamp PCB 43 is connected to the main board 42 in a circuit so as to exchange electrical signals with each other.

As shown in FIG. 5, the plurality of cameras 50 maintains a constant interval in the circumferential direction centering on the center of the counter plate 41 of the photographing table 40 so that the face is uniformly arranged in the top, bottom, left and right. In this embodiment, the four cameras 50 are arranged at 90 degree intervals with respect to the circumferential direction, but are not limited thereto, and the number of cameras that can be photographed and converted into 3D data and faces are uniformly vertically and horizontally. One batch is fine.

The plurality of lamps 61 to 64 are uniformly disposed around each camera 50 centering on the center of the counter plate 41 of the photographing table 40. The lamps 61 to 64 may be composed of a plurality of general light lamps 61 and functional lamps 62, 63 and 64. The general light lamp 61 is preferably an LED lamp, the functional lamp 62 is composed of a UV lamp, the functional lamp 63 is composed of a polarizing lamp, and the functional lamp 64 is composed of a gloss lamp. I can.

The plurality of normal light lamps 61 are arranged with an outer lamp positioned outside the camera 50 and an inner lamp positioned inside the camera 50 with the center of the counter plate 41 as the center, and a plurality of functional lamps 62 , 63 and 64 are uniformly disposed between the outer and inner normal light lamps 61 so that the light of each lamp 61 to 64 is uniformly irradiated to the face with respect to the camera 50.

Referring again to FIGS. 3 and 4A to 4B, the turning drive means for pivoting the photographing table 40 passes through the upper plate 14a of the inner case at the center position of the turning motion of the photographing table 40 in a vertical direction. It consists of an electric motor 70 having a rotation shaft 71 installed, and an arm 44 extended from the photographing stand 40 and fixed to the lower end of the rotation shaft 71 of the electric motor 70.

Therefore, by rotating the arm 44 fixed to the rotation shaft 71 by the driving of the electric motor 70, the counter plate 41 of the photographing table 40 rotates in the horizontal direction centering on the face, And the left and right sides can be selectively photographed.

In addition, the photographic table turning driving means further includes a turning guide mechanism. The turning guide mechanism is provided with a guide rail 72 formed along the orbiting direction of the photographing table 40, and the guide rail 72 is fixedly installed on the inner box 14 through the guide bracket 73, and the guide rail The guide block 74 is installed to guide 72. Therefore, by fixing the guide block 74 to the arm 44 of the photographing table 40, the path is corrected and the flow is minimized, so that more precise photographing can be achieved.

7 shows another modified example of the turning movement means. In FIG. 3, the rotational force of the electric motor 70 is photographed by fixing the rotational shaft 71 of the electric motor 70 and the arm 44 of the photographing table 40. It is a configuration that directly transmits to the arm 44 of the stand 40, but between the rotational shaft 81 of the electric motor 80 and the vertical shaft 82 fixed to the arm 44 of the photographing stand 40 as shown in FIG. 7 A power transmission mechanism is installed to transmit the rotational force of the electric motor 80 to the arm 44 of the photographing table 40 through the power transmission mechanisms 83, 84, and 85.

At this time, the power transmission mechanism (83, 84, 85) is a motor gear wheel 83 fixed to the rotation shaft 81 of the electric motor 80 and the driven gear wheel 84 fixed to the vertical shaft 82 of the arm 44. ), and a gear drive belt 85 connecting the prime mover vocabulary 83 and the driven gear vocabulary 84.

When explaining the operation of the present invention made in such a configuration as follows. As shown in FIGS. 8A to 8C, the facial skin diagnosis device of the present invention is provided on the table 20 by the multi-joint mechanism 30, so that the user can be easily diagnosed while sitting in a chair. In addition, the multi-joint mechanism 30 is used to adjust the position of the photographing box 10 according to the user's face position, so it is very convenient to use.

Facial skin diagnosis is performed by a user inserting the face through the opening 11 of the photographing box 10 and then photographing the face using a plurality of cameras 50 and a plurality of lamps 61 to 64.

First, as shown in FIG. 8A, while the user holds the handle 17 provided under the photographing box 10 and inserts his face into the opening 11 of the photographing box 10, the forehead is inserted into the headrest ( 16), the face is kept in a stable posture with the camera 50 of the photographing table 40 and faces the photographing table 40 in front.

At this time, if the beam irradiated by the laser launcher 46 of the headrest 16 does not coincide with the alignment display 45 of the photographing table 40, the user moves his or her face and the laser launcher 46 of the headrest 16 By adjusting the beam of) and the alignment display unit 45 to match, the face can be aligned to the correct photographing position.

When shooting is started while the face is aligned with the shooting position in this way, the front of the user's face is firstly photographed using a plurality of cameras 50 and lamps 61 to 64 provided in the shooting table 40. Then, the photographing table 40 is rotated so that the left side of the face is secondarily photographed as shown in FIG. 8B, and the 3D face image can be obtained by synthesizing them by photographing three times of the face as shown in FIG. 8C.

At this time, as shown in FIGS. 3, 4A to 4B, and 6, the rotational motion of the photographing table 40 is transmitted by the rotational force of the electric motor 70 to the arm 44 of the photographing table 40, Since the opposing plate 41 of 40) photographs the front and left and right sides of the face while maintaining a certain distance with the face as the center, an accurate 3D image can be obtained, and the guide rail during the turning movement of the photographing table 40 Since the turning motion of the photographing table 40 is guided by the 72 and the guide block 74, a more precise photographing is possible by correcting the path and minimizing the flow during the turning motion of the photographing table 40.

In addition, since the four cameras 50 installed on the photographing table 40 of the present invention have different positions in the vertical, left and right directions with their faces lifted, a more precise 3D image can be obtained during synthesis.

On the other hand, the plurality of lamps 61 to 64 installed on the photographing table 40 are composed of a plurality of general light lamps 61 (LED lamps) and functional lamps 62, 63 and 64, and such a plurality of lamps ( 61 to 64) are evenly arranged around the four cameras 50, so that a clear image can be obtained when forming a 3D face image.

In particular, the functional lamps 62, 63, 64 are composed of a UV lamp 62, a polarizing lamp 63, and a gloss lamp 64, and the UV lamp 62 is a general sebum and porphyrin (inflammatory sebum), etc. Is used to observe and predict skin troubles and to check the non-absence type, the polarizing lamp 63 is used to distinguish redness, sensitive skin, and brown pigment, and the gloss lamp 64 is used to identify the condition of the face greasy, rough and dry face. Can be used to

This skin condition can be accurately diagnosed with various skin lesions as a high-quality image can be obtained through uniform irradiation when the camera 50 is photographed, and since accurate skin diagnosis is possible with a precise 3D image of the face, the doctor Treatment and management effects can be increased by using cosmetics or drugs that are more appropriate for patient skin treatment and management.

The embodiments described so far are merely describing preferred embodiments of the present invention, and the scope of the present invention is not limited to the described embodiments, and those skilled in the art within the technical spirit and claims of the present invention Various changes, modifications, or substitutions may be made by this, and such embodiments are to be understood as being within the scope of the present invention.

10: shooting box 11: opening
12: curtain 16: headrest
17: handle 20: table
30: multi-joint mechanism 40: photographing table
41: opposing plate 44: arm
50: camera 61,62,63,64: lamp
70: electric motor 71: rotating shaft
72: guide rail 74: guide block

Claims (7)

A photographing box formed with an opening for inserting a face on one side;
A photographing table provided in the photographing box and having a face facing plate inserted through the opening, and installed to rotate the face plate in a horizontal direction centered on the face by a turning driving means;
A plurality of cameras disposed on the opposing plate of the photographing table; And
It includes a plurality of lamps disposed on the opposing plate of the photographing table,
The plurality of cameras are arranged at regular intervals in the vertical, left and right directions centering on the center of the counter plate of the photographing table, and the plurality of lamps are uniformly arranged around each camera with the center of the counter plate of the photographing table as the center. Facial skin diagnosis device, characterized in that consisting of a normal light lamp and a functional lamp. The method of claim 1, further comprising a headrest provided in the photographing box to support the forehead portion so that the position of the face inserted through the opening is constant, and a handle provided on the bottom of the photographing box to support the photographing posture. Facial skin diagnosis device, characterized in that. According to claim 1 or 2, Table for placing the photographing box; And a multi-joint mechanism fixed between the table and the photographing box to adjust the position of the photographing box. The method of claim 1, wherein the photographing box includes an outer box with an open top, an inner box with an upper part blocked by an upper plate, a cover covering the open upper part of the outer box, and an opening of the photographing box provided on the cover. Facial skin diagnosis device, characterized in that consisting of a curtain for opening and closing. The method of claim 1, wherein the turning drive means of the photographing stand,
An electric motor having a rotation axis installed in a vertical direction through the upper plate of the inner case at the center position of the rotational movement of the recording table, and an arm extending from the recording table and fixed to the rotation axis of the electric motor and rotating by driving the electric motor. Facial skin diagnosis device, characterized in that consisting of. The method of claim 1, wherein the turning drive means of the photographing stand,
A vertical axis installed in a vertical direction through the upper plate of the inner case at the center of the rotational movement of the photographing table, an arm extending from the photographing table and fixed to the lower end of the vertical axis, and installed at the upper part between the outer box and the inner box Facial skin diagnosis device comprising an electric motor and a power transmission mechanism for transmitting rotational force of the electric motor to a vertical axis. The method of claim 5 or 6, wherein the turning driving means further comprises a turning guide mechanism,
The orbiting guide mechanism is a facial skin diagnosis device comprising: a guide rail formed in the direction of a rotational movement of the photographing stand and installed in an inner case, and a guide block fixed to the arm of the photographing stand and guided to the guide rail.

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