Title: Fast Ellipse Detection Algorithm In Color Images
Abstract:Ellipse detection is a common technique in image processing.Since many natural objects are similar to ellipse,so ellipse detection becomes one of the key techniques in image segment and object extract...Ellipse detection is a common technique in image processing.Since many natural objects are similar to ellipse,so ellipse detection becomes one of the key techniques in image segment and object extraction.This paper analyses analytic architecture of ellipse,based on the geometrical relation between long axis and short axis of an ellipse,in the help of the overall parameters selected from the set of edge pixels,proposed a algorithm to generate an ellipse quickly.By using edge enhancing algorithm and edge tracing algorithm based on graph searching in color images,a curve composed of edge pixels is generated.Then every curve is fitted by an ideal ellipse.If the fitness passes the evolution,the curve is regarded as an ellipse and the region closed in the curve is an ellipse region.The algorithm proposed in this paper needs less computation,provides high detection speed,and can be used to detect full ellipse and arc of ellipse accurately.Read More
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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