K-PLS regression model based traditional Chinese medicine tongue image color correction method

A regression model, color correction technology, applied in image enhancement, image analysis, image data processing and other directions, can solve the problems affecting the accuracy and objectivity of tongue color and moss color automatic analysis, color distortion, wrong judgment, etc., to achieve digitalization Automatic analysis is accurate and objective, eliminating the effects of lighting changes

Active Publication Date: 2015-04-29
BEIJING UNIV OF TECH
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Problems solved by technology

The reason is that changes in the lighting environment and different acquisition devices will inevitably cause color distortion in the acquired tongue images, as shown in the attached figure 1 As shown, the distortion of the color will not only make doctors make wrong jud

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  • K-PLS regression model based traditional Chinese medicine tongue image color correction method
  • K-PLS regression model based traditional Chinese medicine tongue image color correction method
  • K-PLS regression model based traditional Chinese medicine tongue image color correction method

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[0032] According to the above description, the following is a specific implementation process, but the protection scope of this patent is not limited to this implementation process.

[0033] The flow chart of the present invention is as figure 2 As shown, the specific workflow is:

[0034] The user first uses the tongue imager (or other image acquisition equipment) to capture the color scale card with the standard chromaticity value, and then selects the color scale sample of the color scale in the image, and uses the standard chromaticity value to perform K-PLS regression. Model training to obtain a training model, and use the training model to perform color regression correction on the actual tongue image captured in the shooting environment, and finally obtain a color-corrected TCM tongue image.

[0035] In order to ensure that the color scale card image and the tongue image are taken under the same lighting environment, that is, the same light source. When the light sou...

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Abstract

The invention discloses a K-PLS regression model based traditional Chinese medicine tongue image color correction method and belongs to the fields of computer image processing and traditional Chinese medicine inter-discipline. According to the kernel partial least square regression model based traditional Chinese medicine tongue image color correction method, tongue images in different light environments are corrected to be at unified standard so as to overcome the problem that tongue image colors are inconsistent in showing due to illumination difference of a tongue image instrument and enable a digitalized traditional Chinese medicine tongue image analysis result to be objective and accurate. By means of the K-PLS regression model based traditional Chinese medicine tongue image color correction method, the tongue image instrument is utilized to conduct shooting and acquisition on a standard color chart, then color code samples of color codes in images are selected, standard chromatic values of all colors in the color codes are used as target values to perform K-PLS regression model training so as to obtain a training model for a color code actual acquisition value and the color code standard value, the training model is used for conducting color regression model on actual tongue images shot in the shooting environments, and finally traditional Chinese medicine tongue images with corrected colors are obtained.

Description

technical field [0001] The invention belongs to the interdisciplinary field of computer image processing and traditional Chinese medicine, and designs a color correction method for tongue images in traditional Chinese medicine based on a K-PLS (Kernel Partial Least Squares) regression model. The image is calibrated to a unified standard to overcome the inconsistency of the color of the tongue image caused by the difference in illumination of the tongue imager, making the analysis results of the digital TCM tongue image more objective and accurate. Background technique [0002] Tongue diagnosis is an important content of inspection in traditional Chinese medicine "look, smell, ask, feel, four diagnosis combined with reference". For a long time, tongue diagnosis has mainly judged diseases and syndromes through the doctor's naked eye observation and experience, lacking quantitative measurement and analysis methods. In recent decades, research on the objectification of TCM, esp...

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Application Information

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IPC IPC(8): G06F13/38A61B5/103
CPCG06T5/001G06T2207/10024G06T2207/20081G06T2207/30004
Inventor 卓力张沛屈盼玲张菁李晓光
Owner BEIJING UNIV OF TECH
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