Tensor factorization for low-rank tensor completion
Recently, a tensor nuclear norm (TNN) based method [1] was proposed to solve the tensor completion problem, which has achieved state-of-the-art performance on image and video inpainting tasks. However, it requires computing tensor singular value decomposition (t-SVD), which costs much computation an...
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sg-smu-ink.sis_research-100602024-08-01T15:36:17Z Tensor factorization for low-rank tensor completion ZHOU, Pan LU, Canyi LIN, Zhouchen ZHANG, Chao Recently, a tensor nuclear norm (TNN) based method [1] was proposed to solve the tensor completion problem, which has achieved state-of-the-art performance on image and video inpainting tasks. However, it requires computing tensor singular value decomposition (t-SVD), which costs much computation and thus cannot efficiently handle tensor data, due to its natural large scale. Motivated by TNN, we propose a novel low-rank tensor factorization method for efficiently solving the 3-way tensor completion problem. Our method preserves the lowrank structure of a tensor by factorizing it into the product of two tensors of smaller sizes. In the optimization process, our method only needs to update two smaller tensors, which can be more efficiently conducted than computing t-SVD. Furthermore, we prove that the proposed alternating minimization algorithm can converge to a Karush-Kuhn-Tucker (KKT) point. Experimental results on the synthetic data recovery, image and video inpainting tasks clearly demonstrate the superior performance and efficiency of our developed method over state-of-the-arts including the TNN [1] and matricization methods [2]–[5]. 2017-10-01T07:00:00Z text application/pdf https://ink.library.smu.edu.sg/sis_research/9057 info:doi/10.1109/TIP.2017.2762595 https://ink.library.smu.edu.sg/context/sis_research/article/10060/viewcontent/2017_TIP_TCTF.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research Collection School Of Computing and Information Systems eng Institutional Knowledge at Singapore Management University Tensor Factorization Tensor Completion Lowrank Factorization Databases and Information Systems |
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Tensor Factorization Tensor Completion Lowrank Factorization Databases and Information Systems ZHOU, Pan LU, Canyi LIN, Zhouchen ZHANG, Chao Tensor factorization for low-rank tensor completion |
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Recently, a tensor nuclear norm (TNN) based method [1] was proposed to solve the tensor completion problem, which has achieved state-of-the-art performance on image and video inpainting tasks. However, it requires computing tensor singular value decomposition (t-SVD), which costs much computation and thus cannot efficiently handle tensor data, due to its natural large scale. Motivated by TNN, we propose a novel low-rank tensor factorization method for efficiently solving the 3-way tensor completion problem. Our method preserves the lowrank structure of a tensor by factorizing it into the product of two tensors of smaller sizes. In the optimization process, our method only needs to update two smaller tensors, which can be more efficiently conducted than computing t-SVD. Furthermore, we prove that the proposed alternating minimization algorithm can converge to a Karush-Kuhn-Tucker (KKT) point. Experimental results on the synthetic data recovery, image and video inpainting tasks clearly demonstrate the superior performance and efficiency of our developed method over state-of-the-arts including the TNN [1] and matricization methods [2]–[5]. |
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ZHOU, Pan LU, Canyi LIN, Zhouchen ZHANG, Chao |
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ZHOU, Pan LU, Canyi LIN, Zhouchen ZHANG, Chao |
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ZHOU, Pan |
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Tensor factorization for low-rank tensor completion |
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Tensor factorization for low-rank tensor completion |
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Tensor factorization for low-rank tensor completion |
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Tensor factorization for low-rank tensor completion |
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Tensor factorization for low-rank tensor completion |
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tensor factorization for low-rank tensor completion |
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Institutional Knowledge at Singapore Management University |
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2017 |
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https://ink.library.smu.edu.sg/sis_research/9057 https://ink.library.smu.edu.sg/context/sis_research/article/10060/viewcontent/2017_TIP_TCTF.pdf |
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