Mammary X-ray image enhancement method

A line image and mammary gland technology, applied in the field of medical image processing, can solve the problem of weak-intensity lesion enhancement and achieve the effect of enhancing image information and contrast

Inactive Publication Date: 2015-09-30
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The problem solved by the present invention is to provide a method for enhanci

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Embodiment Construction

[0027] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0028]Secondly, the present invention is described in detail by means of schematic diagrams. When describing the embodiments of the present invention in detail, for convenience of explanation, the schematic diagrams are only examples, which should not limit the protection scope of the present invention.

[0029] The problem to be solved by the present invention is to provide a method for enhancing mammograms to solve the problem of enhancing weak-intensity lesions in mammograms.

[0030] In order to solve the above problems...

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Abstract

The invention provides a mammary X-ray image enhancement method comprising the steps that a mammary X-ray image is provided; and local normalization is performed on the local part in the mammary X-ray image so that image information corresponding to the local part can be enhanced. Local information is enhanced via local normalization so that implicit local information in the global image can be effectively enhanced, i.e. low intensity lesions can be effectively enhanced. Furthermore, local filtering is adopted after local normalization so that local contrast can be enhanced, adhesion between local objects can be suppressed and adhesion of the lesions and background tissues can be effectively suppressed.

Description

technical field [0001] The invention relates to the field of medical image processing, in particular to a method for enhancing mammogram images. Background technique [0002] Breast cancer is one of the most common cancers in women and the second leading cancer killer in women. Evidence shows that early diagnosis and treatment will effectively reduce mortality, and mammograms (Mammograms) are powerful tools for breast cancer screening. Computer-aided diagnosis (CAD) based on mammography images can help doctors locate suspicious lesions and effectively reduce the rate of missed and false detections. In the preprocessing of computer-aided diagnosis (CAD) systems of mammography images, it is very important to effectively enhance mass lesions. Mass lesions present various shapes in mammograms, with a wide range of sizes, uneven density, and poor contrast, and are often embedded in various tissue backgrounds with different characteristics and are difficult to distinguish. Effe...

Claims

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Application Information

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IPC IPC(8): G06T5/00A61B6/00
Inventor 李华
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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