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基于点扩散函数波前修正的星点像质心计算方法
Application NumberCN201510272682.6
李海涛; 李保权; 曹阳
2015-05-25
ClassificationG06T7/60(2006.01)I
Country中国
Abstract本发明涉及一种基于点扩散函数波前修正的星点像质心计算方法,包括:采集多帧星图;在所述星图中,找到每颗星点像峰值所在像素,并以星点像峰值所在像素为中心选择一个矩形区域,这个矩形区域包括星点像绝大部分能量,这个区域由测量精度需求决定,矩形区域行列像素数为奇数;在每颗星点像所在的矩形区域内,用光子权重平均的方法计算每颗星点像的k阶矩;根据k阶矩以及一个与所述k阶矩与峰值像素坐标的差成正比的偏差,得到星点像的真实质心坐标。
Language中文
Document Type专利
Identifierhttp://ir.nssc.ac.cn/handle/122/5233
Collection空间技术部
Recommended Citation
GB/T 7714
李海涛,李保权,曹阳. 基于点扩散函数波前修正的星点像质心计算方法[P]. 2015-05-25.
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