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Weighted Couple Sparse Representation with Classified Regularization for Impulse Noise Removal
Chun Lung Philip Chen; Licheng Liu; Long Chen; Yuan Yan Tang; Yicong Zhou
2015-11
Source PublicationIEEE Transactions on Image Processing
ISSN1057-7149
Volume24Issue:11Pages:4014 - 4026
Abstract

Many impulse noise (IN) reduction methods suffer from two obstacles, the improper noise detectors and imperfect filters they used. To address such issue, in this paper, a weighted couple sparse representation model is presented to remove IN. In the proposed model, the complicated relationships between the reconstructed and the noisy images are exploited to make the coding coefficients more appropriate to recover the noise-free image. Moreover, the image pixels are classified into clear, slightly corrupted, and heavily corrupted ones. Different data-fidelity regularizations are then accordingly applied to different pixels to further improve the denoising performance. In our proposed method, the dictionary is directly trained on the noisy raw data by addressing a weighted rank-one minimization problem, which can capture more features of the original data. Experimental results demonstrate that the proposed method is superior to several state-of-the-art denoising methods.

KeywordClassified Regularization Couple Sparse Representation Dictionary Learning Image Denoising Impulse Noise
DOIhttps://doi.org/10.1109/TIP.2015.2456432
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:000359563500001
The Source to ArticleScopus
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Cited Times [WOS]:43   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Corresponding AuthorChun Lung Philip Chen; Licheng Liu; Long Chen; Yuan Yan Tang; Yicong Zhou
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
Chun Lung Philip Chen,Licheng Liu,Long Chen,et al. Weighted Couple Sparse Representation with Classified Regularization for Impulse Noise Removal[J]. IEEE Transactions on Image Processing,2015,24(11):4014 - 4026.
APA Chun Lung Philip Chen,Licheng Liu,Long Chen,Yuan Yan Tang,&Yicong Zhou.(2015).Weighted Couple Sparse Representation with Classified Regularization for Impulse Noise Removal.IEEE Transactions on Image Processing,24(11),4014 - 4026.
MLA Chun Lung Philip Chen,et al."Weighted Couple Sparse Representation with Classified Regularization for Impulse Noise Removal".IEEE Transactions on Image Processing 24.11(2015):4014 - 4026.
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