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Improved Primal-Dual Interior-Point Method Using the Lawson-Norm for Inverse Problems
Alternative TitleWOS:000525386600020;20201208315239
Shang, Wenjing; Xue, Wei; Li, Yingsong1; Xu, Yidong
Source PublicationIEEE ACCESS
2020
Volume8Pages:41053-41061
DOI10.1109/ACCESS.2020.2976727
ISSN2169-3536
Language英语
KeywordTV Inverse problems Image reconstruction Electrodes Conductivity Tomography Electric potential Inverse problems improved primal--dual interior-point method Lawson norm UNBIASED PREDICTIVE RISK REGULARIZATION ALGORITHM EFFICIENT
AbstractElectrical impedance tomography (EIT), geophysics and undersea target reconstruction are typical non-linear ill-posed inverse problems, and in many cases, the anomalous bodies feature with a clear boundary. Thus, it is suitable to obtain sharp boundaries and blocky features with the Total Variation (TV) functional regularization. However, the TV function regularization leads to a non-differentiable objective function at zero in the inverse formulation and reduces the algorithm robustness. In this paper, we propose an improved primal-dual interior-point method (PD-IPM) based on the Lawson norm to get sharp spatial profiles of the anomalous bodies. Furthermore, the impact of the smooth parameter is investigated to get the inverse results. Numerical experiment using simulated data is setup to support our claim.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7677
Collection中国科学院国家空间科学中心
Affiliation1.Harbin Engn Univ, Coll Informat & Commun Engn, Harbin 150001, Peoples R China
2.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Shang, Wenjing,Xue, Wei,Li, Yingsong,et al. Improved Primal-Dual Interior-Point Method Using the Lawson-Norm for Inverse Problems[J]. IEEE ACCESS,2020,8:41053-41061.
APA Shang, Wenjing,Xue, Wei,Li, Yingsong,&Xu, Yidong.(2020).Improved Primal-Dual Interior-Point Method Using the Lawson-Norm for Inverse Problems.IEEE ACCESS,8,41053-41061.
MLA Shang, Wenjing,et al."Improved Primal-Dual Interior-Point Method Using the Lawson-Norm for Inverse Problems".IEEE ACCESS 8(2020):41053-41061.
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