Author

Linwei Chen

Beijing Institute of Technology

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#machine learning May 2026

Overcoming Catastrophic Forgetting in Visual Continual Learning with Reinforcement Fine-Tuning

This work proposes Retention-aware Policy Optimization (RaPO), a simple yet effective RFT method that mitigates forgetting through trajectory-level reward shaping, and comprehensively evaluates RaPO across five visual continual learning settings.

Meng Lou, Hanzhong Guo, Linwei Chen et al. · arXiv.org · 2 citations

Open access Aug 2026

Frequency-Guided Expert Modulation for Noisy-Label Facial Expression Recognition

FARM-FER is proposed, which treats local and global frequency descriptors as a control signal rather than an additional classifier input, supporting a lightweight yet effective design in terms of model size and arithmetic cost for noisy-label FER.

Miaomiao Zhang, Meng Lou, Linwei Chen · Journal of Imaging · 0 citations