A trust region-CG algorithm for deblurring problem in atmospheric image reconstruction

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	A trust region-CG algorithm for deblurring problem in atmospheric image reconstruction
	Wang, YF; Yuan, YX; Zhang, HC
	2002-06-01
发表期刊	SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
ISSN	1006-9283
卷号	45 期号:6 页码:731-740
摘要	In this,paper we solve large scale ill-posed problems, particularly the image restoration problem in atmospheric imaging sciences, by a trust region-CG algorithm. Image restoration involves the removal or minimization of degradation (blur, clutter, noise, etc.) in an image using a priori knowledge about the degradation phenomena. Our basic technique is the so-called trust region method, while the subproblem is solved by the truncated conjugate gradient method, which has been well developed for well-posed problems. The trust region method, due to its robustness in global convergence, seems to be a promising way to deal with ill-posed problems.
关键词	image reconstruction ill-posed problems truncated CG trust region
语种	英语
WOS研究方向	Mathematics
WOS类目	Mathematics, Applied ; Mathematics
WOS记录号	WOS:000175997900006
出版者	SCIENCE CHINA PRESS
引用统计
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/17310
专题	数学所计算数学与科学工程计算研究所
通讯作者	Wang, YF
作者单位	Chinese Acad Sci, Acad Math & Syst Sci, Inst Computat Math & Sci Engn Comp, State Key Lab Sci & Engn Comp, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Wang, YF,Yuan, YX,Zhang, HC. A trust region-CG algorithm for deblurring problem in atmospheric image reconstruction[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,2002,45(6):731-740.
APA	Wang, YF,Yuan, YX,&Zhang, HC.(2002).A trust region-CG algorithm for deblurring problem in atmospheric image reconstruction.SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,45(6),731-740.
MLA	Wang, YF,et al."A trust region-CG algorithm for deblurring problem in atmospheric image reconstruction".SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY 45.6(2002):731-740.