Author

Yang Liu

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Preprint Sep 2026

A generalizable structural brain MRI foundation model built through dual-priority federated pretraining

Foundation models hold promise for generalizable analysis of structural brain magnetic resonance imaging (MRI) across development, aging and disease. However, existing models are typically built through centralized pretraining on pooled data, despite privacy and governance constraints. Such pooling optimization can ove...

Zhennaan Yu, Yang Liu, Xia-Hai Zhuang et al. · 0 citations

Preprint Aug 2026

Explainable Deepfake Detection with Feature-robust Augmentation and Evidence-grounded Explanation Optimization

Feature-robust Augmentation is introduced, which comprises diversified degradation-aware augmentation strategies, and a supervised contrastive learning pattern paired with a mean-teacher architecture that stabilizes features against augmentations through consistency constraints that wins the first place in ACM Multimed...

Zhu Xu, Jia-Qi Tang, Po-Kai Chen et al. · 0 citations