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|a 10.1109/TIP.2012.2205007
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|a eng
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|a Huang, Yu-Mei
|e verfasserin
|4 aut
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|a Multiplicative noise removal via a learned dictionary
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|c 2012
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|a Text
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|a ƒaComputermedien
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|a Date Completed 18.03.2013
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|a Date Revised 18.10.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Multiplicative noise removal is a challenging image processing problem, and most existing methods are based on the maximum a posteriori formulation and the logarithmic transformation of multiplicative denoising problems into additive denoising problems. Sparse representations of images have shown to be efficient approaches for image recovery. Following this idea, in this paper, we propose to learn a dictionary from the logarithmic transformed image, and then to use it in a variational model built for noise removal. Extensive experimental results suggest that in terms of visual quality, peak signal-to-noise ratio, and mean absolute deviation error, the proposed algorithm outperforms state-of-the-art methods
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|a Journal Article
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|a Moisan, Lionel
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| 700 |
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|a Ng, Michael K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zeng, Tieyong
|e verfasserin
|4 aut
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|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 21(2012), 11 vom: 02. Nov., Seite 4534-43
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