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Paper detail

Tensor Shape Search for Optimum Data Compression

Various tensor decomposition methods have been proposed for data compression. In real world applications of the tensor decomposition, selecting the tensor shape for the given data poses a challenge and the shape of the tensor may affect the error and the compression ratio. In this work, we study the effect of the tensor shape on the tensor decomposition and propose an optimization model to find an optimum shape for the tensor train (TT) decomposition. The proposed optimization model maximizes the compression ratio of the TT decomposition given an error bound. We implement a genetic algorithm (GA) linked with the TT-SVD algorithm to solve the optimization model. We apply the proposed method for the compression of RGB images. The results demonstrate the effectiveness of the proposed evolutionary tensor shape search for the TT decomposition.

preprint2022arXivOpen access
Ryan SolgiZichang HeWilliam Jiahua LiangZheng Zhang
eess.IVNeural and Evolutionary ComputingMachine Learning
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Ryan SolgiZichang HeWilliam Jiahua LiangZheng Zhang

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