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	Mark point recognition in motion tracking of a floating life jacket-man system
	Duan Fei ; Zhou Hong ; Xiao Hong ; Dai Shiliang
	2010-05-10 ; 2010-05-10
关键词	Practical Theoretical or Mathematical/ Hough transforms image motion analysis image segmentation object recognition statistical analysis tracking/ mark point recognition motion tracking floating life jacket-man system object recognition curvature scale space technique statistical information edge segment clustering LS circle fitting Hough transform/ B6135E Image recognition B0230 Integral transforms B0240Z Other topics in statistics C5260B Computer vision and image processing techniques C1250M Image recognition C1130 Integral transforms C1140Z Other topics in statistics
中文摘要	A fast, high-precision, robust algorithm was developed for round object recognition based on the curvature scale space technique. The algorithm first extracts critical points based on the curvature from the edge map to divide the object contour into several segments. An acceptable circular arc is defined using statistical information of each edge segment. The parameters describing the round object are deduced using clustering and LS circle fitting. The algorithm has been evaluated with a number of images against the Hough transform (HT). The results show that the method offers better precision than the HT when the lengths of the locally consecutive arcs are long enough and offers a far more effective solution with images containing widely different size objects. The algorithm has been used to track the motion of a floating man in a natatorium with complex backgrounds, variable lighting conditions and occlusion of marking points with very good results.
语种	中文 ; 中文
出版者	Tsinghua Univ. Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/22499]
专题	清华大学
推荐引用方式 GB/T 7714	Duan Fei,Zhou Hong,Xiao Hong,et al. Mark point recognition in motion tracking of a floating life jacket-man system[J],2010, 2010.
APA	Duan Fei,Zhou Hong,Xiao Hong,&Dai Shiliang.(2010).Mark point recognition in motion tracking of a floating life jacket-man system..
MLA	Duan Fei,et al."Mark point recognition in motion tracking of a floating life jacket-man system".(2010).

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