Tongue picture profile extracting method and application thereof

A technology of contour extraction and tongue image, applied in the computer field

Inactive Publication Date: 2010-08-11
天津市医学堂科技有限公司
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Problems solved by technology

[0005] The example of the present invention provides a kind of tongue image contour extraction method, to solve the selection of the initial contour point sequence of the contour extraction when the tongue body is segmented, the definition and selection of the energy item in the snake model when the tongue body contour is extracted in the prior art, and The problem of balancing the influence of each energy item on the extraction of the tongue contour, and dealing with abnormal situations and when the extracted tongue contour contains lips

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  • Tongue picture profile extracting method and application thereof
  • Tongue picture profile extracting method and application thereof
  • Tongue picture profile extracting method and application thereof

Examples

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Embodiment Construction

[0019] Examples of the present invention provide a kind of image recognition and contour extraction and segmentation method, such as figure 1 shown, including the following steps:

[0020] Step 1: Obtain a tongue image that has been thresholded in the HSI space, such as figure 2 ;

[0021] Step 2: Generate a polygon consisting of sequential discrete point columns including all tongue regions, and use the points in the discrete point column to perform convergence in contour search;

[0022] Step 3: Convert the image to a grayscale image; define the energy of each point in the discrete point column in step 2. Find the energy value of each point in the 3*3 neighborhood of each point, and iterate all the points in the discrete point column according to the size of the energy value, so as to achieve the purpose of extracting the contour of the tongue;

[0023] Step 4: Segment the tongue part from the image by using the closed discrete point sequence that converges to the tongue...

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Abstract

The invention provides a tongue picture profile extracting method and application thereof. Aiming at the problems of selecting an initial profile point range of profile extraction during tongue partition, defining and selecting energy items in a snake model during tongue profile extraction and balancing the influences of the energy items on the tongue profile extraction in the prior art, the method processes the abnormal condition and the extracted tongue profile containing lips. The method provided by the invention for identifying an image and extracting and partitioning a profile assists a user to acquire a tongue picture and diagnose a disease, quantizes the traditional Chinese medicinal diagnosis and treatment data, and provides basis and possibility for unifying standards of Chinese medicinal diagnosis.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to methods for image recognition and outline extraction. Background technique [0002] Tongue diagnosis is an important part of the four clinical examinations of traditional Chinese medicine. Tongue image is a necessary reference for TCM diagnosis. There are certain uncertainties and subjectivity in describing some characteristics of the tongue coating. How to apply modern technology to traditional tongue diagnosis, so that tongue image analysis is no longer just a vague feature description, but a scientific and quantitative data representation. The solution to this problem is bound to promote the objectivity, standardization, and standardization of tongue diagnosis. . [0003] Nowadays, there are many studies on the quantification of tongue image features, and most of them are the extraction and quantification of local features of tongue image. The obtained data often vary with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/34
Inventor 刘霄飞赵亮
Owner 天津市医学堂科技有限公司
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