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SAR Image Reconstruction From Undersampled Raw Data Using Maximum A Posteriori Estimation
Dong, Xiao; Zhang, Yunhua; Dong, X (reprint author), Chinese Acad Sci, Key Lab Microwave Remote Sensing, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Department微波遥感部
Source PublicationIEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING
2015
Volume8Issue:4Pages:1651-1664
ISSN1939-1404
Language英语
KeywordBiconvex Optimization Compressed Sensing (Cs) Maximum a Posteriori (Map) Multiplicative Speckle Synthetic Aperture Radar (Sar) Total Variation (Tv)
AbstractA method for synthetic aperture radar (SAR) imaging using maximum a posteriori (MAP) estimation based on multiplicative speckle model is presented. The new method uses the total variation (TV) minimization to regularize the solution. The reconstruction of SAR image is formulated as a biconvex optimization problem, which is solved by the alternate convex search (ACS) method. Experiments on Radarsat-1 raw data show that the proposed method can recover most of the structural and texture details of the imaged scene using only a half of raw data. Compared with regular regularization methods for SAR imaging with incomplete data, the proposed method performs much better on less sparse scenes.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4566
Collection微波遥感部
Corresponding AuthorDong, X (reprint author), Chinese Acad Sci, Key Lab Microwave Remote Sensing, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Dong, Xiao,Zhang, Yunhua,Dong, X . SAR Image Reconstruction From Undersampled Raw Data Using Maximum A Posteriori Estimation[J]. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,2015,8(4):1651-1664.
APA Dong, Xiao,Zhang, Yunhua,&Dong, X .(2015).SAR Image Reconstruction From Undersampled Raw Data Using Maximum A Posteriori Estimation.IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,8(4),1651-1664.
MLA Dong, Xiao,et al."SAR Image Reconstruction From Undersampled Raw Data Using Maximum A Posteriori Estimation".IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 8.4(2015):1651-1664.
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