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http://dx.doi.org/10.9708/jksci/2012.17.12.101

A ProstateSegmentationofTRUS ImageusingSupport VectorsandSnake-likeContour  

Park, Jae Heung (Dept. of Computer Science, Gyeongsang National Univ.)
Se, Yeong Geon (Dept. of Computer Science, Gyeongsang National Univ.)
Abstract
In many diagnostic and treatment procedures for prostate disease accurate detection of prostate boundaries in transrectal ultrasound(TRUS) images is required. This is a challenging and difficult task due to weak prostate boundaries, speckle noise and the short range of gray levels. In this paper a method for automatic prostate segmentation inTRUS images using support vectors and snake-like contour is presented. This method involves preprocessing, extracting Gabor feature, training, and prostate segmentation. Gabor filter bank for extracting the texture features has been implemented. A support vector machine(SVM) for training step has been used to get each feature of prostate and nonprostate. The boundary of prostate is extracted by the snake-like contour algorithm. The results showed that this new algorithm extracted the prostate boundary with less than 9.3% relative to boundary provided manually by experts.
Keywords
Support Vector; Snake-like Contour; TRUS; Prostate;
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