Tensor completion via a multi-linear low-n-rank factorization model
Tensor completion via a multi-linear low-n-rank factorization model
复制标题
通过多线性低n阶分解模型完成张量
DOI:
10.1016/j.neucom.2013.11.020
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发表时间:
2014-06
期刊:
影响因子:
6
通讯作者:
Bin Ran
中科院分区:
文献类型:
--
作者:
Bin Cheng;Wuhong Wang;Yu-Jin Zhang;Bin Ran
The tensor completion problem is to recover a low-n-rank tensor from a subset of its entries. The main solution strategy has been based on the extensions of trace norm for the minimization of tensor rank via convex optimization. This strategy bears the computational cost required by the singular value decomposition (SVD) which becomes increasingly expensive as the size of the underlying tensor increase. In order to reduce the computational cost, we propose a multi-linear low-n-rank factorization model and apply the nonlinear Gauss–Seidal method that only requires solving a linear least squares problem per iteration to solve this model. Numerical results show that the proposed algorithm can reliably solve a wide range of problems at least several times faster than the trace norm minimization algorithm.
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DOI:
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发表时间:
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期刊:
arXiv: Machine Learning
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