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MRI medical image based brain tumor region colorization method

A technology for medical images and brain tumors, applied in image enhancement, image analysis, image data processing, etc., can solve problems such as difficult to accurately identify lesions, coloring is easily affected by false edges, etc., achieve convergence and coloring accuracy improvement, strong sticky effect

Inactive Publication Date: 2017-08-18
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for coloring brain tumor regions based on MRI medical images, which can effectively solve the problems in the prior art that it is difficult to accurately identify lesions and coloring is easily affected by false edges in the process of image coloring, and can realize image coloring. Accurate and fast coloring of MRI improves the accuracy of MRI medical brain tumor coloring images

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  • MRI medical image based brain tumor region colorization method
  • MRI medical image based brain tumor region colorization method
  • MRI medical image based brain tumor region colorization method

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[0021] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] like figure 1 As shown, the present invention designs a method for coloring brain tumor regions based on MRI medical images. In the actual application process, it specifically includes the following steps:

[0023] Step 1. Determine the brain tumor lesion area in the original MRI medical image, and extract the initial brightness value Y of the pixel in the original MRI medical image 0 .

[0024] Wherein, in step 1, for the original MRI medical image, the gray value of each pixel is obtained, and according to the gray value of each pixel, the histogram corresponding to the original MRI medical image is obtained, wherein the histogram contains at least one Peak value, in each peak value, select the gray threshold value that distinguishes the brain tumor lesion area from the background area, and convert the origina...

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Abstract

The invention relates to an MRI medical image based brain tumor region colorization method, which is characterized in that a standard linear convex set constrained convex programming model from determination for a brain tumor focus region in a original MRI medical image to color expansion, a process of expanding from a local line color to the whole target grayscale image is realized, a problem of interference of pseudo boundaries is well solved, and an acquired result is better than that of an existing color expansion based image colorization method at present.

Description

technical field [0001] The invention relates to a method for coloring brain tumor regions based on MRI medical images, and belongs to the technical field of image processing. Background technique [0002] In information transmission and exchange, images are an important communication medium. In the human visual system, color is one of the important factors reflecting visual cognition. Since human eyes are far less sensitive to grayscale information than color information, it is hoped that grayscale images can be converted into color images to enhance visual effects, that is, image colorization technology, also known as grayscale image colorization. Image colorization is the computer-assisted process of adding color to still images or video sequences. At present, it has a wide range of applications in the fields of film and television, medical treatment, space exploration, industry, and scientific research. At the same time, the research on image coloring methods has always...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/90
CPCG06T2207/10088G06T2207/30016G06T2207/30096
Inventor 金正猛高宝丽黄颖汪磊
Owner NANJING UNIV OF POSTS & TELECOMM
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