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Location of curved edges to subpixel values

 

作者: Ling‐Hwei Chen,   Wen‐Hsiang Tsai,  

 

期刊: Journal of the Chinese Institute of Engineers  （Taylor Available online 1993）
卷期: Volume 16, issue 5  

页码: 589-601

 

ISSN:0253-3839

 

年代: 1993

 

DOI:10.1080/02533839.1993.9677533

 

出版商: Taylor & Francis Group

 

关键词: curved edge detection;line‐type edge detection;moment‐preserving;parabolic equation;subpixel accuracy

 

数据来源: Taylor

 

摘要:

The problem of detecting step edge points which fall on curves (called curved edge points) is solved. Based on the moment‐preserving principle, the solution can be used to estimate curved edge locations to subpixel accuracy. The locations are approximated by parabolic equations. Experimental results, which show that the proposed detector is more effective for detecting curved edges and boundary corners than conventional line‐type edge detectors, are included.

 

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