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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
Source PublicationSCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
ISSN1006-9283
Volume45Issue:6Pages:731-740
AbstractIn 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.
Keywordimage reconstruction ill-posed problems truncated CG trust region
Language英语
WOS Research AreaMathematics
WOS SubjectMathematics, Applied ; Mathematics
WOS IDWOS:000175997900006
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/17310
Collection数学所
计算数学与科学工程计算研究所
AffiliationChinese Acad Sci, Acad Math & Syst Sci, Inst Computat Math & Sci Engn Comp, State Key Lab Sci & Engn Comp, Beijing 100080, Peoples R China
Recommended Citation
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.
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