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The Vectorization Method of The Local Parameter Curve Based on Straight Line HOUGH Transformation in Engineering Drawings

Zou Rongjin,Cai Shijie,Zhang Fuyan (Multimedia Research Institute,Nanjing University,Nanjing 210093)  
A curve vectorization technique based on the local straight line Hough transform is presented.The Hough function of a curve is constructed in the polar coordinate space,which is divided into the translation term and the intrinsic term.A natural decomposition is provided and one of two terms can be got by eleminating another term according to the graphics attributes.The vectorization of the polyline and curve is realized by using voting strategy algorithm.
【Fund】: 香港有利集团资助
【CateGory Index】: TP391.41
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