KR20220018814A - Protable device for measuring retian - Google Patents

Abstract

A portable retina measuring device is provided. The portable retina measuring device includes: a photographing part for obtaining a photographed image by photographing the retina of an object; and a device control part for generating measurement result data by using the obtained photographed image. The photographing part may include a light source part for generating a light source to the object, a lattice plate positioned to face the light source and having a lattice pattern, and a plate-shaped light source irradiator including a photographing element located at the center of the lattice plate.

Description

Portable retina measuring device {PROTABLE DEVICE FOR MEASURING RETIAN}

The present invention relates to a portable retina measuring device, and to a portable retina measuring device capable of measuring an ophthalmic disease by using a high-resolution image image obtained by photographing the retina of an object, for example, a companion animal.

As the population structure is aging and single households increase, humans are gradually becoming self-centered and deteriorating. Accordingly, the number of people who perceive pets as family members or companions is increasing, and the companion animal market is also growing steadily.

As the interest in these diseases and diseases of companion animals is increasing day by day, the production and development of devices and methods for solving these problems are also increasing day by day.

However, not only humans but also companion animals have less developed information or devices on ophthalmic diseases, a type of fatal disease that interferes with lifespan, and research on this is still poor. In the case of a disease that is difficult to cure, such as a disease, there is a problem in that the treatment is difficult and expensive, and in fact, it is necessary to let go of it.

Korean Patent Publication No. 2015-0111724 Korean Patent Publication No. 2015-0115980

The problem to be solved by the present invention is to provide a portable retina measuring device.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

A portable retina measuring apparatus according to an embodiment of the present invention for solving the above-described problems includes: a photographing unit for photographing a retina of an object to be photographed to obtain a photographed image; and a device control unit for generating measurement result data by using the obtained photographed image, wherein the photographing unit comprises: a light source unit generating a light source to the object to be photographed; , It may include a plate-shaped light source irradiator made of a photographing element located in the center of the grid.

In an embodiment of the present invention, the device controller may adjust the photographing time by using a distance measurement value between the photographing object and the photographing unit.

In one embodiment of the present invention, the device control unit, based on the grid pattern, in response to the position of the retina of the object to be photographed may adjust the focal value of the lens of the photographing device.

In one embodiment of the present invention, the device control unit, when both the distance measurement value and the lens focus value are satisfied, acquires a plurality of photographed images, and synthesizes and synthesizes the obtained photographed images based on a grid pattern It is possible to generate the measurement result data including the high-resolution video image by correcting it.

In an embodiment of the present invention, the photographed image may include, based on the grid pattern, a reference image obtained centered on the retina of the object to be photographed, and a sub-image obtained from the periphery of the retina of the object to be photographed. can

In one embodiment of the present invention, standard result data is generated based on the measurement result data, and the reading result data for the retina of the photographing object is generated by comparing and analyzing the standard result data and the measurement result data. It may further include a device management server.

In one embodiment of the present invention, when the object to be photographed is a companion animal, a sound generator for generating a sound related to the companion animal; may further include.

Other specific details of the invention are included in the detailed description and drawings.

According to the present invention, by accurately determining the current state of a companion animal through accurate ophthalmic treatment of various subjects, in particular, companion animals, it is possible to treat diseases of companion animals at an early stage to protect the health of companion animals.

According to the present invention, it is possible to more accurately determine the current state of a companion animal regardless of the movement of the companion animal by using a portable retina measurement device while performing ophthalmic treatment on a subject to be photographed, in particular, various companion animals.

According to the present invention, by generating measurement result data on the retina of the companion animal including a high-resolution image image, the current state of the companion animal is more accurately determined, thereby treating the disease of the companion animal early and improving the health of the companion animal. can keep

According to the present invention, since the retina measuring device is portable, it is possible to more accurately determine the current state of the companion animal by acquiring a high-resolution image while increasing the convenience of the user as needed regardless of time and place, thereby increasing the diversity of the user. It can increase convenience and reliability while respecting it.

According to the present invention, it is possible to obtain a high-resolution image image for accurate ophthalmic treatment of humans as well as companion animals.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a view for explaining a portable retina measuring apparatus according to an embodiment of the present invention.
FIG. 2 is a detailed view for explaining the photographing unit shown in FIG. 1 .
FIG. 3 is a view for explaining the light source irradiator shown in FIG. 2 .
4 is a conceptual diagram for explaining a portable retina measuring device according to another embodiment of the present invention.
5 is a view for explaining a method for measuring the retina of a companion animal according to an embodiment of the present invention.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and those of ordinary skill in the art to which the present invention pertains. It is provided to fully understand the scope of the present invention to those skilled in the art, and the present invention is only defined by the scope of the claims.

The terminology used herein is for the purpose of describing the embodiments and is not intended to limit the present invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and/or “comprising” does not exclude the presence or addition of one or more other components in addition to the stated components. Like reference numerals refer to like elements throughout, and "and/or" includes each and every combination of one or more of the recited elements. Although "first", "second", etc. are used to describe various elements, these elements are not limited by these terms, of course. These terms are only used to distinguish one component from another. Accordingly, it goes without saying that the first component mentioned below may be the second component within the spirit of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used herein will have the meaning commonly understood by those of ordinary skill in the art to which this invention belongs. In addition, terms defined in a commonly used dictionary are not to be interpreted ideally or excessively unless specifically defined explicitly.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view for explaining a portable retina measuring apparatus according to an embodiment of the present invention, FIG. 2 is a detailed view for explaining the photographing unit shown in FIG. 1, and FIG. 3 is a light source irradiation unit shown in FIG. It is a drawing for explaining.

As shown in FIG. 1 , the portable retina measuring apparatus 1 according to an embodiment of the present invention includes a photographing unit 100 , an output unit 110 , a storage unit 120 , a power supply unit 130 , and a device control unit 140 . ) may be included.

First, in the present embodiment, the portable retina measuring device 1 may be a portable device for photographing the retina of various subjects A, but is not limited thereto. Here, although the subject (A) to be photographed is limited to companion animals, particularly dogs, the measurement object is not limited thereto, and human retinas as well as retinas of various companion animals may be measured.

According to an embodiment, the portable retina measuring device 1 may move and fix the portable retina measuring device 1 in the x-y-z direction to obtain a photographed image according to the shape or movement of the companion animal A. For example, in order to photograph the retina according to the type and size of the companion animal (A), a band method of an elastic material that fixes the head, neck, forelimbs and/or body, etc., a Velcro method, a helmet or a stram type, etc. The movement of the companion animal (A) can be fixed by using the fixing member of

At this time, it is possible to photograph the retina by fixing the companion animal A to the portable retina measuring device 1, but is not limited thereto. For example, a state in which the examiner or the guardian directly holds the companion animal (A) may be photographed.

The light source irradiator 102 is an irradiator that irradiates light corresponding to the retina of the companion animal A. Referring to FIG. 3 , the light source irradiator 102 may include an irradiator 1020, a grid plate 1022, and a photographing device 1024. .

The photographing unit 100 may acquire a photographed image by photographing the state of the retina of the companion animal A, which is an object to be photographed. In this case, the photographing unit 100 may photograph all of the retina of the companion animal A, or separately photograph the retina of the left eye or the retina of the right eye. Here, the photographed image may be a photo or a moving picture.

Specifically, the photographing unit 100 may include a light source irradiator 102 , a reflection unit 104 , a lens unit 106 , and a detection unit 108 as shown in FIG. 2 .

The light source irradiator 102 may irradiate the light L to the retina of the companion animal A.

3 (a), the light source irradiation unit 122 is a light source unit 1020 for generating a light source (L1), a plate-shaped grid plate 1022 positioned to face the light source unit 1020, and a grid plate 1022 It may include a photographing device 1024 located in the center of the.

The light source unit 1020 generates the light sources L1 of various wavelength bands, and may be composed of a plurality of light sources. The light source unit 1020 may be composed of a light emitting diode irradiating infrared rays, but is not limited thereto. In this case, the light source unit 1020 may be disposed on the substrate. According to an embodiment, a heat sink is formed on the rear surface of the substrate to quickly conduct heat generated from the light source unit 1020 to the heat sink, thereby minimizing the deterioration of the light source unit 1020 .

According to an embodiment, the light source unit 1020 may be positioned to correspond to the grid pattern of the grid plate 1022, but is not limited thereto. The grid plate 1022 has a grid pattern as shown in FIG. can be formed with For example, the grid plate 1022 may include holes having a uniform rectangular shape. The present invention is not limited thereto, and the grid plate 1022 may include circular or polygonal holes.

In addition, according to the grid shape of the grid plate 1022, the light source L1 is irradiated to the retina of the companion animal A in a grid shape, so that a photographed image can be obtained for each focal point corresponding to the grid shape.

The photographing element 1024 is located in the center of the grid plate 1022 to photograph the retina of the companion animal (A). Here, the photographing element 1024 may be a lens of the camera. The reflector 104 reflects the light source L1 so that the light source L1 irradiated from the light source irradiator 102 is irradiated to the retina of the companion animal A. Thus, the path of the light source L1 may be changed.

Also, the reflector 104 may change the path of the reflected light L2 to move the reflected light L2 reflected from the retina of the companion animal A to the detector 108 .

The lens unit 106 is positioned between the reflection unit 104 and the detection unit 108 , and may transmit the photographed image to the detection unit 1208 by condensing the reflected light L2 .

According to an embodiment, the lens unit 106 may automatically adjust the focus of the reflected light L2 . For example, the lens unit 106 may include a lens that functions as an auto focusing actuator.

The detection unit 108 may include a detection means capable of acquiring a photographed image by detecting the reflected light L2 . For example, the detector 108 may be a complementary metal-oxide semiconductor (CMOS) image sensor that captures an image when a light source of a visible light wavelength band and/or a light source of an infrared wavelength band is used.

The output unit 110 may output measurement result data corresponding to the photographed image acquired through the photographing unit 100 . For example, the output unit 110 may include a display capable of outputting symbols, letters, numbers, etc. on the screen according to the measurement result data, a lamp outputting a color change or blinking, or a speaker outputting audio. can Here, the measurement result data may be data including a high-resolution video image generated by synthesizing and correcting a plurality of photographed images based on a grid pattern.

According to the embodiment, the output unit 110 may output the current operating state of the portable retina measuring device (1).

According to an embodiment, the output unit 110 may output an operation of the device controller 140 to obtain a photographed image through the photographing unit 100 . For example, a distance measurement value between the retina of the companion animal A and the photographing unit 100 and a lens focus value of the photographing device 1024 corresponding to the distance measurement value may be output based on the grid pattern.

According to an embodiment, the output unit 110 may output a plurality of captured images obtained based on the grid pattern. For example, the plurality of photographed images may include a reference image acquired centered on the retina of the companion animal (A) and sub-images acquired from the periphery of the retina of the companion animal (A).

The storage unit 120 may store data acquired through the photographing unit 100 and data output through the output unit 110 .

The storage unit 120 may store data supporting various functions of the portable retina measuring device 1 . That is, the storage unit 120 is a plurality of applications (application program or application) driven in the portable retina measuring device (1), data for the operation of the portable retina measuring device (1), commands, can be saved At least some of these application programs may be downloaded from an external server through wireless communication.

The power supply 130 may supply power to each component included in the portable retina measuring device 1 by receiving external power and internal power under the control of the device controller 140 . The power supply unit 130 includes a battery (not shown), and can visually check the remaining amount of the battery. The battery can be charged by connecting the USB to 220V commercial power or a laptop computer or computer. In addition, the battery unit uses a 3.7V lithium-ion battery, which is the most economical and efficient secondary battery for mobile phones, so that it can be charged with a mobile phone battery charger. Alternatively, the battery may be a built-in battery or a replaceable battery.

When the device control unit 140 receives a photographed image from the photographing unit 100 by controlling the operation of the photographing unit 100 by the user's manual operation, it automatically processes the acquired photographed image to generate measurement result data. can be printed out.

Here, the measurement result data is a high-resolution image image acquired through the photographing unit 100 , and may include information on the current retinal state of the companion animal (A). According to an embodiment, the measurement result data may include personal information such as the type of companion animal, weight, date of birth, name, hospital record, and the like.

Specifically, the device control unit 140 calculates a distance measurement value between the companion animal A and the photographing unit 100 and controls the operation of the photographing unit 100 to obtain an optimal image alignment algorithm and correction algorithm for the photographed image. can be used to generate measurement result data including high-resolution video images. For example, the device controller 140 may generate measurement result data of a clear high-resolution image through auto-focus, distortion removal, virtual image removal, image correction, etc. for the captured image.

More specifically, the device controller 140 calculates a distance measurement value between the retina of the companion animal A and the photographing unit 100, and when the calculated distance measurement value is a preset distance measurement value, it is determined that the photographing is possible. You can set the shooting time by adjusting the lens focus value. That is, in response to the photographing time, a plurality of photographed images including a reference image obtained centered on the retina of the companion animal (A) and a sub-image obtained from the periphery of the retina of the companion animal (A) are obtained, and these are synthesized. And by correcting it, it is possible to generate measurement result data of a clear high-resolution image. In this case, the device controller 140 may generate a high-resolution video image by synthesizing and correcting a plurality of sub-images based on the reference image based on the grid pattern included in the photographed image.

According to an embodiment, the device controller 140 extracts, synthesizes, and corrects a plurality of sub-images for each focal point corresponding to the grid shape based on the reference image based on the grid pattern included in the photographed image to obtain a high-resolution video image. can create

According to an embodiment, when the captured image is a moving image, the device controller 140 may extract the image from the moving image to generate a high-resolution image image.

According to an embodiment, the device controller 140 may generate measurement result data by supplementing the photographed image using the standard result data. Here, the standard result data may include, but is not limited to, image information on the normal retina of the companion animal (A) and image information on various cases of ophthalmic disease of the companion animal (A).

According to an embodiment, the device controller 140 may generate read result data for the measurement result data of the companion animal by comparing and analyzing the measurement result data with the standard result data. For example, the read result data may include information on the presence or absence of a disease or disease in the case of disease inducement. In this case, the type of disease may include, but is not limited to, bacterial or inflammatory diseases such as keratoconjunctivitis sicca, keratoconjunctivitis, corneal ulcer, and the like.

The portable retina measuring device 1 having such a structure is a device capable of generating measurement result data by photographing the retina of the companion animal (A), and a plurality of photographed images obtained from the retina of the companion animal (A) to be examined. can be used to generate measurement result data including high-resolution video images. Accordingly, by accurately judging the current state of the companion animal (A) through accurate ophthalmic treatment for the companion animal (A), the disease of the companion animal (A) can be treated early and the health of the companion animal (A) can be maintained. have.

4 is a conceptual diagram for explaining a portable retina measuring device according to another embodiment of the present invention.

As shown in FIG. 4 , the portable retina measuring apparatus 10 according to another embodiment of the present invention may include a device management server 20 and a sound generator 30 . Here, the sound generator 30 may be omitted.

Here, the portable retina measuring device 10 and the device management server 20 may be synchronized in real time using a wireless communication network to transmit and receive data.

The device management server 20 may include a communication unit 200 , a display unit 210 , a memory unit 220 , and a management control unit 230 .

The communication unit 200 may transmit and receive data between the portable retina measuring device 10 and the device management server 20 .

According to an embodiment, the communication unit 200 may transmit the measurement result data to a terminal or an external server.

The display unit 210 is between the operating state of the portable retina measuring device 10 by user manipulation, the operating state of the device management server 20, and the portable retina measuring device 10 and the device management server 20. Data transmitted and received can be monitored through the screen. That is, by checking the operating state of the portable retina measuring device 10 in real time, when an error or malfunction occurs, the administrator can respond quickly to further increase the user's satisfaction with use.

The memory unit 220 may store data transmitted and received through the communication unit 200 and data supporting various functions of the portable retina measuring apparatus 1 .

The memory unit 220 may store a plurality of application programs (or applications) driven in the device management server 20 , data for operation of the device management server 20 , and commands. At least some of these application programs may be downloaded from an external server through wireless communication.

The management control unit 240 may generate measurement result data including a high-resolution image image by using the photographed image obtained from the portable retina measurement device 10 .

According to an embodiment, the management control unit 240 may generate standard result data using the acquired captured image or measurement result data using deep learning or machine learning techniques. In this case, the standard result data may be updated in real time in response to the measurement result data.

According to an embodiment, the management and control unit 240 when receiving the measurement result data from the portable retina measuring device 10, based on the standard result data can generate the reading result data for the received measurement result data.

The device management server 20 having such a structure may be a computing device implemented by hardware circuits (eg, CMOS-based logic circuits), firmware, software, or a combination thereof. For example, it may be implemented using transistors, logic gates, and electronic circuits in the form of various electrical structures.

The sound generator 30 may generate a sound to stop the movement of the companion animal A and distract attention when the retina of the companion animal A is photographed to obtain measurement data from the companion animal A. may include

Specifically, in order to photograph the retina of the companion animal (A), the companion animal (A) has to gaze in a certain direction or forward, so that the attention of the companion animal (A) can be drawn by using the sound generator (30). For example, the sound generator 30 may generate an animal sound of the same type as the companion animal A to be photographed.

5 is a view for explaining a method for measuring the retina of a companion animal according to an embodiment of the present invention.

Referring to FIG. 5 , the examiner may identify the companion animal A in order to photograph the retina of the companion animal A ( S10 ).

At this time, the head of the companion animal (A) can be fixedly supported by using a separate fixing device, but, alternatively, the examiner or the guardian may take a picture while directly holding the companion animal (A) to be tested.

Next, the portable retina measuring apparatus 10 may calculate a distance measurement value between the retina of the companion animal A and the photographing unit 100 ( S12 ).

According to an embodiment, the distance measurement value with the retina of the companion animal A may be calculated by adjusting the position of the portable retina measuring device 10 by the manual operation of the examiner.

Next, when the calculated distance measurement value is a preset distance measurement value, the portable retina measurement apparatus 10 may determine a photographing state and adjust the lens focus value (S14, S16).

Next, the portable retina measuring device 10 may set the shooting time based on the distance measurement value and the lens focus value (S18).

Next, the portable retina measuring apparatus 10 may acquire a photographed image based on the photographing time (S20).

For example, when both the distance measurement value and the lens focus value meet the preset conditions, the portable retina measuring device 10 acquires one photographed image every 5 seconds and acquires a total of 300 photographed images for 60 seconds can do.

Next, the portable retina measuring device 10 can extract high-resolution image information by synthesizing and correcting a plurality of captured images obtained on the basis of the grid pattern (S22, S24).

That is, the portable retina measuring device 10 includes a plurality of reference images acquired from the retina of the companion animal A as the center and sub-images acquired from the periphery of the retina of the companion animal A in response to the shooting time. High-resolution video images can be created by synthesizing and correcting the captured images.

For example, the portable retina measuring device 10 may generate a high-resolution image image by using an optimal image alignment algorithm and a correction algorithm for the captured image.

Finally, the portable retina measuring device 10 may generate the measurement result data of the high-resolution image (S26).

On the other hand, when the calculated distance measurement value is not a preset distance measurement value, the portable retina measuring apparatus 10 may calculate a new distance measurement value without determining that the photographing state is possible.

The steps of a method or algorithm described in connection with an embodiment of the present invention may be implemented directly in hardware, as a software unit executed by hardware, or by a combination thereof. The software part is RAM (Random Access Memory), ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), Flash Memory, Hard Disk, Removable Disk, CD-ROM or the present invention. It may reside in any type of computer-readable recording medium well known in the art.

In the above, embodiments of the present invention have been described with reference to the accompanying drawings, but those of ordinary skill in the art to which the present invention pertains can realize that the present invention can be embodied in other specific forms without changing the technical spirit or essential features thereof. you will be able to understand Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

10: portable retina measuring device
20: device management server

Claims (7)

a photographing unit to obtain a photographed image by photographing the retina of the photographing object; and
A device control unit for generating measurement result data by using the obtained captured image;
The photographing unit,
A portable retina measuring device comprising: a light source unit for generating a light source to the object to be photographed; According to claim 1,
The device control unit, A portable retina measuring device for controlling the shooting time by using the distance measurement value between the subject and the shooting unit. 3. The method of claim 2,
The device control unit,
A portable retina measuring device that adjusts the lens focus value of the photographing element in response to the position of the retina of the object to be photographed on the basis of the grid pattern. 4. The method of claim 3,
The device control unit,
When both the distance measurement value and the lens focus value are satisfied, a plurality of photographed images are obtained, and the obtained photographed images are synthesized and corrected based on the grid pattern to obtain the measurement result data including the high-resolution image image. A portable retinal measuring device that generates. 5. The method of claim 4,
The photographed image is
Based on the grid pattern, a portable retina measuring device comprising a reference image obtained from the retina of the object to be photographed as a center, and a sub-image obtained from the periphery of the retina of the object to be photographed. According to claim 1,
Generating standard result data on the basis of the measurement result data,
A device management server that compares and analyzes the standard result data and the measurement result data to generate read result data for the retina of the photographing object; further comprising, a portable retina measuring device. According to claim 1,
When the subject to be photographed is a companion animal, a sound generator for generating a sound related to the companion animal; further comprising, a portable retina measuring device.

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