New approach to measure the on-orbit point spread function for spaceborne imagers

	New approach to measure the on-orbit point spread function for spaceborne imagers
	Guo L.; Wu Z.; Zhang L.; Ren J.
	2013
发表期刊	Optical Engineering
ISSN	ISBN/00913286
卷号	52 期号:3
摘要	A new approach to estimate the point spread function (PSF) of remotely sensed images is proposed here based on multiple natural pointlike sources, i.e., subimages of the observed image. First the conditional subimages are extracted, and then a blind deconvolution technique is used to derive the PSF from these subimages. For a sampled imaging system with signal-to-noise ratio 20 dB, this method can provide a relatively accurate PSF result. Moreover, the estimated PSF can be applied to image restoration using Wiener filtering or other nonblind restoration methods. The Authors.
收录类别	EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/40772
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Guo L.,Wu Z.,Zhang L.,et al. New approach to measure the on-orbit point spread function for spaceborne imagers[J]. Optical Engineering,2013,52(3).
APA	Guo L.,Wu Z.,Zhang L.,&Ren J..(2013).New approach to measure the on-orbit point spread function for spaceborne imagers.Optical Engineering,52(3).
MLA	Guo L.,et al."New approach to measure the on-orbit point spread function for spaceborne imagers".Optical Engineering 52.3(2013).