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240718s2024 xx |||||o 00| ||eng c |
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|a 10.1109/TPAMI.2024.3429498
|2 doi
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|a eng
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| 100 |
1 |
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|a Mai, Truong Thanh Nhat
|e verfasserin
|4 aut
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| 245 |
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|a Attention-Guided Low-Rank Tensor Completion
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 08.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Low-rank tensor completion (LRTC) aims to recover missing data of high-dimensional structures from a limited set of observed entries. Despite recent significant successes, the original structures of data tensors are still not effectively preserved in LRTC algorithms, yielding less accurate restoration results. Moreover, LRTC algorithms often incur high computational costs, which hinder their applicability. In this work, we propose an attention-guided low-rank tensor completion (AGTC) algorithm, which can faithfully restore the original structures of data tensors using deep unfolding attention-guided tensor factorization. First, we formulate the LRTC task as a robust factorization problem based on low-rank and sparse error assumptions. Low-rank tensor recovery is guided by an attention mechanism to better preserve the structures of the original data. We also develop implicit regularizers to compensate for modeling inaccuracies. Then, we solve the optimization problem by employing an iterative technique. Finally, we design a multistage deep network by unfolding the iterative algorithm, where each stage corresponds to an iteration of the algorithm; at each stage, the optimization variables and regularizers are updated by closed-form solutions and learned deep networks, respectively. Experimental results for high dynamic range imaging and hyperspectral image restoration show that the proposed algorithm outperforms state-of-the-art algorithms
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|a Journal Article
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| 700 |
1 |
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|a Lam, Edmund Y
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Chul
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 46(2024), 12 vom: 01. Nov., Seite 9818-9833
|w (DE-627)NLM098212257
|x 1939-3539
|7 nnns
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| 773 |
1 |
8 |
|g volume:46
|g year:2024
|g number:12
|g day:01
|g month:11
|g pages:9818-9833
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|u http://dx.doi.org/10.1109/TPAMI.2024.3429498
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|d 46
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