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Quantification method of tongue color perception in traditional Chinese medicine based on psychophysical experiments

A technology of physical experiment and psychological perception, applied in the field of tongue color quantification, which can solve problems such as tongue color quantification

Inactive Publication Date: 2016-08-24
BEIJING UNIV OF TECH
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  • Application Information

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Problems solved by technology

[0005] The present invention adopts the method of visual psychophysics in a targeted manner to solve the quantification problem of tongue color in the dimension of TCM description law

Method used

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  • Quantification method of tongue color perception in traditional Chinese medicine based on psychophysical experiments
  • Quantification method of tongue color perception in traditional Chinese medicine based on psychophysical experiments
  • Quantification method of tongue color perception in traditional Chinese medicine based on psychophysical experiments

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Embodiment Construction

[0034]The psychophysical experiments involved in this method are all carried out under dark room conditions. The stimulus color blocks are displayed on a color-corrected LED monitor, and the psychophysical experiments are performed on more than 10 observers with normal color vision. The specific implementation process is as follows:

[0035] 1. Determination of tongue color gamut:

[0036] (1) Acquisition of various TCM tongue color standard images. It needs to include various use cases of light red, light white, red, crimson, and purple blue. There are 5 categories in total; each type of use case needs to contain more than 100 examples, and more than three Chinese medicine doctors give the type of calibration. Image acquisition requires accurate white balance and exposure settings to output image data in a certain color space, such as sRGB space, to ensure the standardization of image data.

[0037] (2), extract the color physical value of the tongue part in all image sampl...

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Abstract

The invention relates to a Chinese medicine tongue color perception quantification method based on a psychophysical test and belongs to the objective study field of Chinese medicine observation. In the color domain of the tongue color, part of representative tongue color blocks are taken as the perception stimulation quantity values. The description rule of sorts of tongue colors of Chinese medicine tongue diagnosis is used as the psychological perception remark guide accordance, the psychophysical test is performed, a psychophysical perception equidistance scale is established and the tongue color psychological perception quantity is determined. By means of a mathematic relation model between the tongue color physical quantity value and the psychological perception quantity values, the psychological perception quantity values conforming to the Chinese medicine tongue color cognitive rule and corresponding to the tongue color physical quantity are obtained. In the modeling process, firstly, the function relation between the single-dimension physical quantity and the perception quantity is determined and a function model between the comprehensive physical quantity and the perception quantity is constructed according to the function relation. The Chinese medicine tongue color perception quantification method based on the psychophysical test aims at achieving tongue color single-dimension perception quantification conforming to description customs of Chinese medicine tongue diagnosis and the aim of tongue color quantification description authentically combining with the Chinese medicine is achieved.

Description

technical field [0001] The invention belongs to the field of objective research of traditional Chinese medicine inspection, in particular to the field of tongue color quantification in traditional Chinese medicine inspection, which is used to realize tongue color quantification that changes with diseases and conforms to the cognitive law of traditional Chinese medicine. Background technique [0002] Tongue diagnosis in TCM is a diagnostic method to understand the physiological functions and pathological changes of the human body by observing changes in tongue images, and plays an important role in clinical diagnosis of TCM. The traditional tongue diagnosis method relies on the visual observation and language description of TCM, and lacks quantitative description indicators and objective recording means, which brings difficulties to the description and classification of TCM tongue diagnosis. With the development of modern scientific and technological means in TCM tongue diagn...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00A61B5/00
Inventor 蔡轶珩郭松张琳琳张新峰林沙沙王立娜
Owner BEIJING UNIV OF TECH