Image enhancement method and device for bilateral cumulative probability segmentation

A cumulative probability and image enhancement technology, which is applied in image enhancement, image analysis, image data processing, etc., can solve problems such as unsuitable, large average brightness changes, enhanced image contrast and fixed information size, etc., to achieve flexible Sexuality, reduced grayscale merging, simple and effective method

Pending Publication Date: 2021-07-13
JIANGSU UNIV OF TECH
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Problems solved by technology

Although the algorithm is simple, it is not suitable for application in some fields because the average brightness between the output and input images varies greatly, and the contrast and information amount of the enhanced image are fixed and cannot be selectively adjusted.

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  • Image enhancement method and device for bilateral cumulative probability segmentation
  • Image enhancement method and device for bilateral cumulative probability segmentation
  • Image enhancement method and device for bilateral cumulative probability segmentation

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[0029] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0030] figure 1 A flowchart showing the image enhancement method for bilateral cumulative probability segmentation provided by an embodiment of the present invention, see figure 1 , the image enhancement method for bilateral cumulative probability segmentation provided by the embodiment of the present invention, including:

[0031] S1, obtain the histogram calculation formula, and calculate the histogram h(i), probability p(i) and c...

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Abstract

The invention provides an image enhancement method and device for bilateral cumulative probability segmentation, provides an image enhancement scheme for bilateral cumulative probability segmentation with controllable contrast and information entropy, can freely select an enhanced image with proper contrast and information amount according to the size of parameters, is simple and effective, can reduce gray level merging, and improves the image enhancement efficiency. And the contrast ratio and the information entropy can be adjusted, and the method is more flexible than classical histogram equalization enhancement.

Description

technical field [0001] The invention relates to the technical field of image contrast enhancement, in particular to an image enhancement method and device for bilateral cumulative probability segmentation with controllable contrast and information entropy. Background technique [0002] There are many image processing methods based on histogram technology, the most classic of which is the global histogram equalization method, which is one of the commonly used methods for digital image enhancement. Although the algorithm is simple, it is not suitable for application in some fields because the average brightness between the output and input images varies greatly, and the contrast and information amount of the enhanced image are fixed and cannot be selectively adjusted. Therefore, it is an urgent problem to design a histogram enhancement technology that can adjust the selection of the contrast and information entropy of the enhanced image under the condition of maintaining the b...

Claims

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Application Information

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IPC IPC(8): G06T5/40G06T7/10
CPCG06T5/40G06T2207/20076G06T7/10
Inventor 王海峰章怡范鑫陈海忠吴卫华薛勇
Owner JIANGSU UNIV OF TECH
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