Gaussian Splatting-based Low-Rank Tensor Representation for Multi-Dimensional Image Recovery

• URL: http://arxiv.org/abs/2511.14270v2
• Date: Wed, 19 Nov 2025 12:51:09 GMT
• Title: Gaussian Splatting-based Low-Rank Tensor Representation for Multi-Dimensional Image Recovery
• Authors: Yiming Zeng, Xi-Le Zhao, Wei-Hao Wu, Teng-Yu Ji, Chao Wang,
• Abstract summary: t-SVD is a promising tool for multi-dimensional image representation.<n>We propose a Low-rank tensor representation framework, which compactly and continuously represents multi-dimensional images.<n>Experiments on multi-dimensional image recovery demonstrate that the proposed framework consistently outperforms state-of-the-art methods.
• Score: 23.766009470419046
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Tensor singular value decomposition (t-SVD) is a promising tool for multi-dimensional image representation, which decomposes a multi-dimensional image into a latent tensor and an accompanying transform matrix. However, two critical limitations of t-SVD methods persist: (1) the approximation of the latent tensor (e.g., tensor factorizations) is coarse and fails to accurately capture spatial local high-frequency information; (2) The transform matrix is composed of fixed basis atoms (e.g., complex exponential atoms in DFT and cosine atoms in DCT) and cannot precisely capture local high-frequency information along the mode-3 fibers. To address these two limitations, we propose a Gaussian Splatting-based Low-rank tensor Representation (GSLR) framework, which compactly and continuously represents multi-dimensional images. Specifically, we leverage tailored 2D Gaussian splatting and 1D Gaussian splatting to generate the latent tensor and transform matrix, respectively. The 2D and 1D Gaussian splatting are indispensable and complementary under this representation framework, which enjoys a powerful representation capability, especially for local high-frequency information. To evaluate the representation ability of the proposed GSLR, we develop an unsupervised GSLR-based multi-dimensional image recovery model. Extensive experiments on multi-dimensional image recovery demonstrate that GSLR consistently outperforms state-of-the-art methods, particularly in capturing local high-frequency information.

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