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Computer-Aided Bleeding Detection in WCE Video

delete2014-03-01
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PRE
AI
Y
Yanan Fu *
W
Wei Zhang
M
Mrinal Mandal
M
Max Q.‐H. Meng
DOI:10.1109/JBHI.2013.2257819delete
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摘要

摘要

En 中文
Wireless capsule endoscopy (WCE) can directly take digital images in the gastrointestinal tract of a patient. It has opened a new chapter in small intestine examination. However, a major problem associated with this technology is that too many images need to be manually examined by clinicians. Currently, there is no standard for capsule endoscopy image interpretation and classification. Most state-of-the-art CAD methods often suffer from poor performance, high computational cost, or multiple empirical thresholds. In this paper, a new method for rapid bleeding detection in theWCE video is proposed. We group pixels through superpixel segmentation to reduce the computational complexity while maintaining high diagnostic accuracy. Feature of each superpixel is extracted using the red ratio in RGB space and fed into support vector machine for classification. Also, the influence of edge pixels has been removed in this paper. Comparative experiments show that our algorithm is superior to the existing methods in terms of sensitivity, specificity, and accuracy.
Keyword:
Bleeding detection
superpixel
wireless capsule endoscopy (WCE)
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期刊

IEEE Journal of Biomedical and Health Informatics 封面图
IEEE Journal of Biomedical and Health Informatics
IF:
6.8
论文数:
4.6K
被引数:
2.0W

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university of alberta
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被引数: 65
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Chinese University of Hong Kong
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被引数: 5.6W
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shandong university
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9.5W
论文数: 6.4W
被引数: 94
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