A low-rank and sparse enhanced Tucker decomposition approach for tensor completion

Chenjian Pan, Chen Ling, Hongjin He, Liqun Qi and Yanwei Xu

Applied Mathematics and Computation, 2024, vol. 465, issue C

Abstract: In this paper, we introduce a unified low-rank and sparse enhanced Tucker decomposition model for tensor completion. Our model possesses a sparse regularization term to promote a sparse core of the Tucker decomposition, which is beneficial for tensor data compression. Moreover, we enforce low-rank regularization terms on factor matrices of the Tucker decomposition for inducing the low-rankness of the tensor with a cheap computational cost. Numerically, we propose a customized splitting method with easy subproblems to solve the underlying model. It is remarkable that our model is able to deal with different types of real-world data sets, since it exploits the potential periodicity and inherent correlation properties appeared in tensors. A series of computational experiments on real-world data sets, including internet traffic data sets and color images, demonstrate that our model performs better than many existing state-of-the-art matricization and tensorization approaches in terms of achieving higher recovery accuracy.

Keywords: Tensor completion; Tucker decomposition; Nuclear norm; Internet traffic data; Image inpainting (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:465:y:2024:i:c:s009630032300601x

DOI: 10.1016/j.amc.2023.128432

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