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Method for determining external periphery outline of mammary gland

A technology of outer edge and mammary gland, which is applied in the field of image processing, and can solve problems such as inapplicable determination of the outer edge contour of breast

Inactive Publication Date: 2009-04-29
SHENZHEN LANDWIND IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method for determining the outline of the outer edge of the mammary gland, which overcomes the defect that the prior art method for detecting the edge of the image in the image cannot be applied to determine the outline of the outer edge of the mammary gland

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  • Method for determining external periphery outline of mammary gland
  • Method for determining external periphery outline of mammary gland
  • Method for determining external periphery outline of mammary gland

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Embodiment Construction

[0091] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0092] The first binarization of the image

[0093] The present invention uses the image binarization technology twice in the mammary gland image processing process. In the two methods using image binarization, different thresholds are selected.

[0094] When binarizing breast images for the first time, the selected threshold is obtained according to the properties of the images. For medical images such as CR, after imaging, the background gray value is generally larger, which is close to the gray level depth of the image (for a gray level image, the gray level depth is related to the number of bits of image pixel data ); medical images such as DR, after imaging, the background gray value is generally 0. Therefore, when the image is binarized for the first time, a gray value close to the gray level depth of the image is selected for CR and other images ...

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Abstract

The invention discloses a method for determining an outer edge contour of mammary gland. The method comprises the following steps: (A1) performing binarization processing on data of a mammary gland image; (A2) computing a mass center of the mammary gland image; and (A3) performing region growing by taking the mass center of the mammary gland image as an initial point, wherein, the region covered is a mammary tissue region when the region growing is completed, thus determining the outer edge contour of the mammary gland. The method for determining the outer edge contour of the mammary gland can help accurately determine the outer edge contour of the mammary gland by such image processing technologies as extraction of the image mass center and the image binarization, the region growing and the like, and the method is a significant progress in the image processing technologies.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method for determining the contour of the outer edge of a mammary gland. Background technique [0002] Algorithms for edge detection in image processing generally include: LoG, Sobel, Canny, etc. These methods are also feasible for edge detection in medical images. However, when determining the outline of the outer edge of the breast, the extraction result is only the outline of the outer edge of the breast. If the above-mentioned edge detection method is used to determine the outline, a large number of inner tissue edges of the breast will be generated, making the extraction of the outline of the outer edge of the breast fail. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for determining the contour of the outer edge of the mammary gland, which overcomes the defect that the prior art method for...

Claims

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Application Information

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IPC IPC(8): G06T7/60G06T7/00A61B6/03
Inventor 刘凯邓鹍陈闽峰程延俊
Owner SHENZHEN LANDWIND IND
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