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Author

Xiren Zhou

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Conference Aug 2026

Prototype-Guided Dynamic Margin Learning for Imbalanced Time-Series Classification

Time-series classifiers trained with cross-entropy often inherit the class-frequency bias of the training set, especially when rare classes are also poorly separated in the latent feature space. This paper presents ProtoMargin, a prototype-guided dynamic margin loss for imbalanced time-series classification. The loss m...

Chang-Dong Li, Wen-Hua Ouyang, Shi-Kang Liu et al. · 0 citations
2025

Pattern-Guided Adaptive Prior for Structure Learning

This paper provides a theoretical analysis of the impact of deviation in edge weights during the optimization process of structure learning and proposes the PGAP framework, which detects two special graph patterns that arise due to the deviation and shows that their occurrence increases as the degree of deviation grows...

Lyuzhou Chen, Yijia Sun, Yan-Ze Gao et al. · 0 citations

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