Chinese medicine tongue image computer cutting based on sample strip Snakes model

A computer and model technology, applied in computing, image analysis, image data processing, etc., can solve problems such as difficulty in obtaining segmentation results and complexity

Inactive Publication Date: 2002-09-04
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods require complex post-processing to determine the full contour of the tongue
Moreover, due to differences in contour features and image quality, it is often difficult to obtain satisfactory segmentation results.

Method used

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  • Chinese medicine tongue image computer cutting based on sample strip Snakes model
  • Chinese medicine tongue image computer cutting based on sample strip Snakes model
  • Chinese medicine tongue image computer cutting based on sample strip Snakes model

Examples

Experimental program
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Embodiment Construction

[0071] exist figure 1 In the block diagram of the traditional Chinese medicine tongue image segmentation system, digital cameras and USB interfaces are commercially available, mainly to collect tongue images, convert the optical signals of the tongue body and color code into image electrical signals and input them to the computer, which is convenient for computer processing and transmission and other operations; computer processing is mainly to read / write the tongue image through the USB interface software; the processed tongue image is output to the buffer for easy display; the display is the output device of the image, and the human eye watches the original image and the original image through the display. Segmented image; Tongue body segmentation is to segment the tongue image read by the computer and output the result. The original tongue image can be an image collected in real time by a digital camera, or an image stored in a computer hard disk after being collected by a...

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Abstract

The present invention adopts digital camera to make tongue image acquisition, and transfers the image into computer to make the operations of processing and transmission. Said method includes the following steps: 1. according to the statistical danalysis of tongue body form defining a tongue body contour template uisng rectangular region as outer boundary; 2. adopting gray projection analysis method to obtain a rectangular region so as to define the position and size of tongue body; 3. providing a tongue body contour initializatino method based on gray projectino and rigid template; 4. addinga priori knowledge about tongue body contour in energy function of Snakes model; and 5. adopting Catmull-Rom spline Snakes model to represent tonguke body contour and adopting existent Greedy method to make optimization. The tongue body contour can be obtained from colour tongue image, and the tongue body regino can be cut out.

Description

[0001] Computer Segmentation Method of TCM Tongue Image Based on Spline Snakes Model technical field [0002] The invention relates to the field of computer medical image processing, and designs a tongue body segmentation method based on the spline Snakes (Snakes) model, which can separate the tongue body from the background in the tongue image of traditional Chinese medicine, so as to facilitate subsequent features analyze. Background technique [0003] Commonly used in the field of image processing and tongue image segmentation related technologies are as follows: [0004] Tongue image segmentation is the segmentation of tongue image and tongue body area, which is a specific application of image segmentation method. Traditional image segmentation uses algorithms such as edge detection and area clustering. These methods all use the low-level features of the image, that is, the uniformity or abruptness of the image data, without using prior knowledge about the segmentation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00
Inventor 沈兰荪卫保国
Owner BEIJING UNIV OF TECH
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