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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2020.2975978
|2 doi
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|a eng
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| 100 |
1 |
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|a Ni, Zhangkai
|e verfasserin
|4 aut
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| 245 |
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|a Color Image Demosaicing Using Progressive Collaborative Representation
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|c 2020
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| 336 |
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 27.02.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a In this paper, a progressive collaborative representation (PCR) framework is proposed that is able to incorporate any existing color image demosaicing method for further boosting its demosaicing performance. Our PCR consists of two phases: (i) offline training and (ii) online refinement. In phase (i), multiple training-and-refining stages will be performed. In each stage, a new dictionary will be established through the learning of a large number of feature-patch pairs, extracted from the demosaicked images of the current stage and their corresponding original full-color images. After training, a projection matrix will be generated and exploited to refine the current demosaicked image. The updated image with improved image quality will be used as the input for the next training-and-refining stage and performed the same processing likewise. At the end of phase (i), all the projection matrices generated as above-mentioned will be exploited in phase (ii) to conduct online demosaicked image refinement of the test image. Extensive simulations conducted on two commonly-used test datasets (i.e., the IMAX and Kodak) for evaluating the demosaicing algorithms have clearly demonstrated that our proposed PCR framework is able to constantly boost the performance of any image demosaicing method we experimented, in terms of the objective and subjective performance evaluations
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|a Journal Article
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1 |
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|a Ma, Kai-Kuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zeng, Huanqiang
|e verfasserin
|4 aut
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| 700 |
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|a Zhong, Baojiang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g (2020) vom: 04. März
|w (DE-627)NLM09821456X
|x 1941-0042
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| 773 |
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|g year:2020
|g day:04
|g month:03
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|u http://dx.doi.org/10.1109/TIP.2020.2975978
|3 Volltext
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