Author

Dong-Xu Yang

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Preprint Aug 2026

Spatial-sign-based multilinear principal component analysis for tensor data

Multilinear principal component analysis (MPCA) reduces the dimension of tensor-valued data while preserving their mode-specific structure, but its quadratic scatter criterion can be unstable under heavy-tailed distributions and contamination. We propose spatial-sign-based multilinear principal component analysis (SMPC...

Dong-Xu Yang, Wanfeng Liang, Le Zhou et al. · 0 citations