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정원일(Jeoung Won Ill),구정현(Koo Jeong Hyun),최기호(Choi Ki Ho) 한국정보처리학회 1996 정보처리학회논문지 Vol.3 No.3
In this paper, we implemented the content-based image retreval system that indexes and retreves the images by acquiring contour information of images and by extracting lines from the object. For this purpose, we proposed the advanced line extraction algorithm called FSLHT(Flexible SLHT) which covers drawback of SLHT(Stright Line Hough Transform) and applied a DP(Dynamic Programming) algorithm to get a desirable similarity of images by lines. We estimated the counter features as a key value of sampled region to compensate for the problem that image contours are heavily depend on the noise. when performing the Hough transform we calculated the directionality based on the perceptional organizaton and transformed according to this direction to overcome the problem of time consuming and discontinuity.