JP6593866B2 - Tongue shape measurement system - Google Patents

Description

  The present invention relates to a three-dimensional shape measuring system for a tongue.

  There is a diagnostic method (hereinafter referred to as “tongue diagnosis”) in which diagnosis of a health condition or a medical condition is made by observing the state of the tongue, which is a body part, in the Japanese-Japanese medical science.

  Tongue examination observes tongue quality and tongue coating. For tongue quality, see Aizawa, moisture content and morphological movement, and for tongue coating, see Aizawa and properties. As a result, it is known that gastritis, gastric cancer, gastric cancer, enteritis, appendicitis, liver disease, cholecystitis, splenic inflammation and the like can be found.

  For tongue diagnosis, techniques have been proposed for measuring the shape of the tongue, tooth marks, fissures, moss wetness, moss smoothness, moss thickness, and moss patterns as features of the tongue (for example, the following patents) Reference 1).

JP 2005-137756 A

  However, the technique described in Patent Document 1 simultaneously measures gloss and color strongly reflected on the surface of the tongue, but has not yet started measuring, evaluating, and analyzing the shape of the tongue. The number of items that can be made objective by obtaining three-dimensional information on the tongue increases, and the tongue color measurement and the tongue wetness measurement are further stabilized.

  SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a three-dimensional shape measuring system for a tongue that enables three-dimensional information on the tongue to stably measure the tongue.

  The present inventors diligently studied on the above problems, and have completed the following tongue surface texture temporal change measurement system.

  That is, the invention according to the first aspect of the present invention includes an integrating sphere in which a plurality of openings are formed, a light source device that emits light into the integrating sphere from any of the plurality of openings of the integrating sphere, A color recording camera device that captures the color of the subject's tongue and is installed in one of the multiple openings of the sphere, and a shape that is installed in one of the multiple openings of the integrating sphere and measures the shape of the subject's tongue A measurement camera device, a light source device, a color recording camera device, and a shape measurement camera device are connected to the light source device to turn on / off, and a shooting trigger of the color recording camera device and the shape measurement camera device is controlled, and the color recording camera And an information processing unit for analyzing and processing image data captured by the apparatus and the shape measurement camera device.

  As described above, according to the present invention, it is possible to provide a three-dimensional shape measuring system for a tongue that can stably measure the tongue by obtaining three-dimensional information of the tongue.

It is a figure showing the outline which looked at the solid shape measuring system of the tongue concerning an embodiment from the upper part. It is a figure showing the outline which looked at the solid shape measuring system of the tongue concerning an embodiment from the side.

  Hereinafter, a three-dimensional shape measuring system for a tongue according to the present invention will be described in detail with reference to the drawings. However, the present invention can be implemented in many different ways, and is not limited only to the following exemplary embodiments.

  FIG. 1 is a diagram showing an outline of a three-dimensional tongue shape measuring system (hereinafter referred to as “measuring system”) 1 according to the present embodiment as viewed from above, and FIG. 2 is a side view of the measuring system 1. It is a figure which shows an outline.

  As shown in these drawings, the measurement system 1 includes an integrating sphere 2 in which a plurality of openings 21, 22, 23, 24, and 25 are formed and any of the plurality of openings 21 to 25 of the integrating sphere 2. A light source device 3 that irradiates the integrating sphere 2 with light, a color recording camera device 4 that is installed in any one of a plurality of openings of the integrating sphere 2 and photographs the color of the tongue of the subject, and a plurality of integrating spheres 2. Connected to the shape measuring camera device 5 that is installed in any of the openings and measures the shape of the tongue of the subject, the light source device 3, the color recording camera device 4, and the shape measuring camera device 5, An information processing unit 6 that controls the imaging trigger of the color recording camera device 4 and the shape measurement camera device 5 and analyzes the image data captured by the color recording camera device 4 and the shape measurement camera device 5; Have

  In the present embodiment, the integrating sphere 2 is an object capable of diffusing light. Specifically, the integrating sphere 2 has a hollow interior. The inner wall is coated with highly reflective and highly diffused paint. By using the integrating sphere 2, the light emitted from the light source device 3 can be sufficiently diffused, and the gloss component of the tongue can be sufficiently removed.

  Further, the integrating sphere 2 according to the present embodiment has a plurality of openings 21 to 25 formed therein. In order to illuminate the integrating sphere 2 with light from the light source device 3 in order to place at least the subject's tongue, the opening shoots light including the state of the subject's tongue surface emitted from the integrating sphere 2, Used for.

  One of the openings 21 of the integrating sphere 2 is an opening for allowing the subject's tongue to be placed and measured, and is preferably at least large enough to place the subject's tongue. .

  The other one 22 of the opening of the integrating sphere 2 according to the present embodiment is for irradiating the integrating sphere 2 with light from the light source device 3. Although the position of the opening 22 is not limited, it is preferably provided at a position different from the opening 23 described later, and the tongue is sandwiched between the centers of the spherical inner cavities of the integrating sphere 2. It is preferable that the angle formed between the opening 21 to be arranged and the center of the integrating sphere 2 and the opening 22 is 60 degrees or more and 120 degrees or less, more preferably at a perpendicular position. By doing so, the light is not directly applied to the tongue, and the light is reflected repeatedly inside the integrating sphere 2 to irradiate the subject's tongue with sufficiently diffused light. In the example of FIGS. 1 and 2, an example in which the angle is set to 90 degrees is shown.

  The other one 23 of the opening of the integrating sphere 2 is used to arrange the color recording camera device 4 that captures light including information on the tongue color of the subject emitted from the integrating sphere 2. The position of the opening 23 is a position facing the opening 21 where the tongue is placed across the center of the spherical inner cavity of the integrating sphere 2 because it is necessary to accurately measure the color and gloss of the tongue surface. It is preferable to be formed. The size of the opening 23 is not limited, but if it is unnecessarily large, the amount of diffused light is reduced, so that the minimum necessary size for photographing with the color recording camera device 4 is preferable.

  In the present embodiment, the color recording camera device 4 is a device capable of photographing the color of the tongue surface and the gloss distribution. The configuration of the color recording camera device 4 according to the present embodiment is not particularly limited, but as time-series image data so that the health state can be determined by photographing the state change of the tongue surface in time series. A video camera device that can be captured is a preferred mode.

  Another one of the openings 24 and 25 of the integrating sphere 2 is provided with a shape measuring camera device 5 that measures the shape of the tongue based on light including information on the shape of the tongue of the subject emitted from the integrating sphere 2. It is used for. Since the positions of the openings 24 and 25 need to accurately measure the shape of the tongue, a straight line connecting the opening 22 where the color recording camera device 4 is arranged and the center of the integrating sphere 2, and the openings 24, It is preferable that the angle formed by the straight line connecting 25 and the center of the integrating sphere 2 is 5 degrees or more and 90 degrees or less, more preferably 60 degrees or less. In this way, the shape of the tongue can be accurately measured. The sizes of the openings 24 and 25 are not limited. However, if the size is unnecessarily large, the amount of diffused light is reduced. Therefore, the minimum necessary size for photographing with the shape measurement camera device 5 is preferable. .

  In the present embodiment, the shape measurement camera device 5 is an image acquisition device capable of measuring the shape of the tongue. In the present embodiment, as a shape measurement method of the shape measurement camera device 5, for example, a three-dimensional distance image camera based on the Time of Flight method can be used. The three-dimensional distance image camera can analyze the distance from the object for each pixel of the image data to be acquired, and can use this to measure the shape of the object. Further, by disposing two or more shape measuring cameras 5, the blind spot can be eliminated and the shape can be measured up to the side and back of the tongue.

  In the present embodiment, in addition to the above, the shape measuring method of the shape camera device 5 is based on, for example, a so-called stereo method. It is good also as being a camera apparatus which can acquire three-dimensional information from the information of the tongue. In this case, the configuration of the shape measuring camera device 5 is not particularly limited, but it is possible to use the video camera device so that the health state can be determined by photographing the state change of the tongue surface in time series. This is a preferred form.

  In the present embodiment, the information processing apparatus 6 can instantaneously control turning on / off of the light source device 3. The information processing device 6 can control the shooting trigger of the color recording camera device 4 and the shape measurement camera device 5. Information can be acquired at a desired timing by controlling turning on / off of each camera device and the light source device 3.

  In the present embodiment, the information processing device 6 processes image data including color information captured and acquired by the color recording camera device 4 and image data including the shape of the tongue acquired by the shape measurement camera device 5, and The state can be determined. More specifically, the image data relating to the shape data of the three-dimensional tongue acquired by the shape measurement camera device 5 and the positional information of the image data acquired by the color recording camera device 4 are combined to combine the shape and color. It is also possible to acquire image data.

  As an example of the information processing apparatus 6, although not limited, a so-called personal computer is used to calculate a tongue color and shape, store a program for determining a state based on these, and execute the program. Can be realized.

  As described above, the three-dimensional shape measurement system for the tongue according to the present embodiment makes it possible to separate the gloss component and the color component of the tongue and quantitatively measure temporal changes, and is closely related to the health condition. An index for diagnosing the state of blood or blood vessels can be obtained. In particular, in this embodiment, since the integrating sphere is used, the gloss component on the tongue surface can be sufficiently removed, and the shading due to the surface irregularities can be removed, so that the color component on the tongue surface can be measured stably. Can do.

  The present invention has industrial applicability as a tongue three-dimensional shape measurement system.

Claims (2)

An integrating sphere formed with a plurality of openings;
A light source device for irradiating light into the integrating sphere from any of the plurality of openings of the integrating sphere;
A color recording camera device that captures light including information relating to a tongue color of a subject that is installed in any of the plurality of openings of the integrating sphere and is emitted from the integrating sphere ;
A shape measurement camera based on the Time of Flight method that measures the shape of the subject's tongue based on light that is installed in any of the plurality of openings of the integrating sphere and includes information related to the shape of the subject's tongue emitted from the integrating sphere Equipment,
Connected to the light source device, the color recording camera device, and the shape measuring camera device, controls turning on / off of the light source device, a shooting trigger of the color recording camera device and the shape measuring camera device, and the color A tongue three-dimensional shape measurement system comprising: a recording camera device; and an information processing unit that analyzes image data captured by the shape measurement camera device. The three-dimensional shape measurement system for a tongue according to claim 1, wherein any one of the openings is for placing a tongue of a subject.