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	High-precision algorithm for centroid location of star pattern recognition
	Xu, Wencong ; Chu, Tianguang
	2010
英文摘要	This paper presents a high-precision algorithm for locating centroid of star patterns. First, the Gaussian distribution is used to approximate the intensity distribution of pixels and thereby to generate a simulation image with a bright spot. Then, methods of normal vectors and singular value decomposition are applied to obtain the least square solutions for the the centroid coordinates of the spot. Numerical simulation shows that the present method can give more accurate results. Finally, application of the proposed algorithm to the problem of telescope optical imaging distortion correction is discussed.; EI; 0
语种	英语
内容类型	会议论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/316929]
专题	工学院
推荐引用方式 GB/T 7714	Xu, Wencong,Chu, Tianguang. High-precision algorithm for centroid location of star pattern recognition[C]. 见:.

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