Gastrointestinal tract endoscope image preprocessing method including information screening and fusion repairing

An image preprocessing and information screening technology, applied in image data processing, image enhancement, image analysis, etc., can solve problems such as uneven brightness spots, affecting the speed and accuracy of CAS identification of polyps, interference, etc., to reduce time-consuming diagnosis, The effect of improving the content of low-brightness areas and reducing the risk of misdiagnosis

Pending Publication Date: 2021-07-20
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] In order to solve the problem that invalid information, uneven brightness and light spot interference of endoscopic images affect the speed and accuracy of CAS identification of polyps, the present invention proposes a gastrointestinal endoscopic image preprocessing method combining information screening and fusion repair

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  • Gastrointestinal tract endoscope image preprocessing method including information screening and fusion repairing
  • Gastrointestinal tract endoscope image preprocessing method including information screening and fusion repairing
  • Gastrointestinal tract endoscope image preprocessing method including information screening and fusion repairing

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the accompanying drawings.

[0036] refer to Figure 1 to Figure 5 , a method for preprocessing gastrointestinal endoscope images comprising information screening and fusion repair, said method comprising the following steps:

[0037] Step 1, obtain the picture to be processed: the experimental data set is a part of the endoscopic picture data set provided by the cooperative doctor, including pictures of various types, shapes and colors, pictures containing polyps or pictures without polyps;

[0038] Step 2, design a key information extractor to filter and extract effective information areas.

[0039] Endoscopic pictures are different from pictures in common formats. In endoscopic pictures, the effective information area is in the circular area in the center of the image, and outside the effective information area is an invalid information area filled with black pixels. There is no information re...

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Abstract

A gastrointestinal tract endoscope image preprocessing method including information screening and fusion repairing includes the steps that firstly, a key information extractor is used for extracting effective information areas in data set pictures twice, and the results of the two times of extraction complement each other and are stored as a new picture data set; brightness equalization and improvement are carried out on a new picture data set by using an improved EACE method, the overall brightness is improved while the defect of uneven brightness is improved, and more information beneficial to polyp identification is obtained; and light spot detection and light spot region repair are performed on the enhanced result by using a two-image matching fusion repair method. The interference of light spots in endoscope images on polyp detection results is reduced, and the misdiagnosis rate during polyp detection by doctors or computers is reduced.

Description

technical field [0001] The invention relates to the field of gastrointestinal endoscope polyp detection, in particular to a gastrointestinal endoscope image preprocessing method combining information screening and fusion repair. Background technique [0002] Digestive tract diseases and the canceration caused by their further deterioration are one of the killers of human health. According to related reports, three and four of the top five cancers in terms of morbidity and mortality in my country belong to digestive tract cancers, respectively. A polyp is a growth on the surface of the small intestine in the digestive tract. Most polyps are benign, but if they exceed 1 cm in size, they are more likely to become cancerous. Therefore, early detection and timely treatment of polyps can reduce the possibility of cancer in patients. [0003] At present, most polyps are detected by gastrointestinal endoscopy. In one detection, the endoscope will collect a large number of gastroin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/00G06T5/50
CPCG06T5/005G06T5/007G06T5/50G06T7/0012G06T2207/10068G06T2207/20221G06T2207/30028G06T2207/30092G06T2207/30096G06T2207/30204
Inventor 李胜喻东何熊熊李静陈铭司鹏
Owner ZHEJIANG UNIV OF TECH
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