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Traditional Chinese medicine tongue fur dryness-moistening information analysis device and method based on polarized light

A technology of polarized light and tongue coating, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve the problem of inaccurate statistical results, and achieve the effect of reasonable moisturizing feature value reference

Pending Publication Date: 2021-05-14
BEIJING UNIV OF TECH
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AI Technical Summary

Problems solved by technology

However, due to the influence of the white coating on the tongue surface, in addition to the bright spots formed by the moisture on the tongue coating surface, the highlighted pixels often contain white coating parts with the same high brightness, which makes the statistical results inaccurate

Method used

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  • Traditional Chinese medicine tongue fur dryness-moistening information analysis device and method based on polarized light
  • Traditional Chinese medicine tongue fur dryness-moistening information analysis device and method based on polarized light

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Embodiment Construction

[0035]The configuration of the present invention can be foundfigure 1 withfigure 2Assembly, where the moistening information collection portion of the tongue is the focus of the present invention. Its main constitutes: chassis, chunette, standard light source, power socket, camera rack, digital camera, polarizing plate and bracket, electric slide assembly, etc., by electric slide, polarizing plate, and bracket, digital camera and frame constitute The tongue coating moisturizing information is taken in the core components.

[0036]The inner wall of the chassis is black to reduce the reflection interference of the inner wall. The chassis is only a size suitable door opening with the camera bit and the target position, and it is closed. The collection environment is relatively closed by the chassis to avoid interference with other light sources or object reflection.

[0037]The light source of the light source is 45 / 0, and a reflective cover made of matt aluminum sheet is mounted on the lamp...

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Abstract

The invention discloses a traditional Chinese medicine tongue fur dryness- moistening information analysis device and method based on polarized light, and belongs to the field of objective research of traditional Chinese medicine inspection diagnosis. Under a fixed illumination condition, two groups of images shot under the condition of presence and absence of a polarizer in a short time are obtained. Based on the difference of the two groups of images, a reflective bright spot region filtered by the polarizer is obtained, and the number of pixels in the region is used as a quantitative reference for dryness-moistening of the tongue fur. For the tongue picture feature of dryness-moistening of the tongue fur, quantitative analysis is mainly carried out according to the moisture bright spots on the tongue surface image, the bright spot area is larger than that when the tongue fur is moist, and the bright spot area is almost zero when the tongue fur is dry. However, the image data of the white fur on the tongue surface is very close to the data of the moisture bright spots, so that the analysis accuracy is influenced. According to the method, based on the polarization characteristic of moisture reflection, the polarizer is adopted to eliminate moisture reflection, so that the pixel range of moisture reflection is determined after two groups of images including a moisture reflection image and a moisture-free reflection image are obtained, and more accurate quantitative analysis of tongue fur dryness- moistening is realized.

Description

Technical field[0001]The present invention belongs to the objective research area of ​​Chinese medicine, particularly involves the quantification of tongue mossy moss in Chinese medicine, and is used to achieve moistening and dry quantization and grading of tongue coating, providing a quantitative data reference for doctors.Background technique[0002]Chinese medicine tongue is a diagnostic method of human physiological function and pathological changes by observing tongue changes. It plays an important role in clinical diagnosis of traditional Chinese medicine. The traditional tongue method relies on the visual observation and language description of Chinese medicine, lacks quantitative description indicators and objective recordings, bringing difficulties to Chinese medicine tongue inheritance and promotion. With the development of modern scientific and technical means, the development of tongue is objective, and standardized research has become an important development direction of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00
CPCA61B5/0088A61B5/4552
Inventor 蔡轶珩杨静贤刘丹谢锦
Owner BEIJING UNIV OF TECH
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