Tongue segmentation and tongue coating and tongue body separation method

A separation method, a technique of tongue quality, applied in the field of digital image processing, which can solve the problems of finding attributes, difficulty, etc.

Inactive Publication Date: 2016-08-17
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether it is thresholding or clustering, it is necessary to separate selected attributes from known attributes (for example: R, G, B in RGB color space and H, S, V in HSV color space, etc.), but due to the There are more than one kind of tongue coating, and one or several fixed attributes often cannot ideally describe the actual task of image segmentation such as coating separation. It is difficult to find attributes suitable for all tongue images in the entire dataset from these attributes. Part of the dataset Some attributes are applied to the tongue image, while other attributes can be used to get better results

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  • Tongue segmentation and tongue coating and tongue body separation method
  • Tongue segmentation and tongue coating and tongue body separation method
  • Tongue segmentation and tongue coating and tongue body separation method

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Embodiment Construction

[0042] Taking a specific example as an example, the process of the invention to realize tongue segmentation and moss separation is described below.

[0043] 1) Using the logitech C920 high-definition camera, under the condition that the color temperature of the camera and the scene are both at 5500K, the mouth with the tongue sticking out is taken, and the size of the captured picture is 1920*1080. An example of image collection figure 1 .

[0044] 2) The image is reduced and intercepted. After the interception, the entire mouth is as complete as possible and enriched in the entire intercepted picture. The size of the intercepted picture is 300*300. After the interception, the mouth image is as follows: figure 2 .

[0045] 3) According to the mouth image, its grayscale image and the mouth image in HSV color space are obtained. Use the threshold value of grayscale and HSV color space to extract the skin, filter out the non-skin part of the image, and obtain the skin image a...

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Abstract

The invention relates to a tongue segmentation and tongue coating and tongue body separation method. The method comprises the steps of shooting a mouth image; obtaining a main red false grey image; obtaining a primary tongue binary image; obtaining a final tongue binary image to obtain a final tongue image; obtaining a five-channel image of the tongue image, wherein the five-channel image has five channels of s, v, g, b and rg; drawing distribution histograms of the five channels; smoothing the drawn histograms; scoring the smoothed histogram images to obtain scores as corresponding channel scores; and performing two-dimensional 2-K-means clustering by utilizing the two channels with the highest scores to obtain tongue coating and tongue body images. According to the method, results obtained by the method are all superior to those obtained by an existing clustering-based tongue body separation algorithm in whether a clustering effect index or a tongue body separation effect.

Description

technical field [0001] The invention belongs to the field of digital image processing, specifically a method for segmenting the tongue from an image with tongue, lips, teeth and skin around the mouth, and dividing the tongue into two parts: tongue coating and tongue quality. Background technique [0002] The introduction of new technologies has played a key role in promoting the development of medicine, and the application of digital image processing technology in medicine has also injected fresh blood into the medical field. With the gradual perfection of digital image processing and analysis in theory and technology and the rapid development of computer computing power and digital medical imaging technology, the processing and analysis of digital medical images has gradually become a research hotspot at home and abroad. [0003] If the application of digital image processing in medicine is a major branch of digital image processing, then the application of digital image pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06K9/62
CPCG06T7/0012G06T2207/30004G06F18/23213G06F18/23
Inventor 苏育挺李兆龙张为
Owner TIANJIN UNIV
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