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Hyperspectral image denoising by total variation-regularized bilinear factorization
Chen, Yongyong; Li, Jiaxue; Zhou, Yicong
2020-09-01
Source PublicationSignal Processing
ISSN0165-1684
Volume174Pages:107645
Abstract

Hyperspectral image (HSI) denoising is a prevalent research topic in the remote sensing area. In general, HSIs are inevitably impaired by different types of noise during the data acquisition. To fully characterize the underlying structures of clean HSI and remove mixed noises, we introduce a novel HSI denoising method named total variation-regularized bilinear factorization (BFTV) model. Specifically, we first utilize the bilinear factorization term to explore the globally low-rank structure of the clean HSI and suppress a certain degree of Gaussian noise, so as to make BFTV free to the singular value decomposition. Then the l-norm is applied to detect and separate the mixed sparse noise including impulse noise, deadlines, and stripes. Besides, the TV regularization is introduced to describe the locally piecewise smoothness property of the clean HSI both in spatial and spectral domains. To solve this optimization problem, we devise an effective algorithm based on the augmented Lagrange multiplier method. Numerical experiments on five different kinds of mixed noise scenarios and one real world data have tested and demonstrated the superior denoising power of the proposed BFTV model compared with three state-of-the-art low-rank-based approaches.

KeywordBilinear Factorization Denoising Hyperspectral Image Total Variation
DOI10.1016/j.sigpro.2020.107645
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000538107600030
PublisherELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS
Scopus ID2-s2.0-85089553957
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Corresponding AuthorZhou, Yicong
AffiliationDepartment of Computer and Information Science, University of Macau, Macau, 999078, China
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Chen, Yongyong,Li, Jiaxue,Zhou, Yicong. Hyperspectral image denoising by total variation-regularized bilinear factorization[J]. Signal Processing, 2020, 174, 107645.
APA Chen, Yongyong., Li, Jiaxue., & Zhou, Yicong (2020). Hyperspectral image denoising by total variation-regularized bilinear factorization. Signal Processing, 174, 107645.
MLA Chen, Yongyong,et al."Hyperspectral image denoising by total variation-regularized bilinear factorization".Signal Processing 174(2020):107645.
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