Author

Ji Zhao

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#machine learning Preprint Sep 2026

RL Starts before RL: On Policy Distillation for Better Reinforcement Learning

The results support OPD as preparation for RL and favor forward KL when OPD is followed by RL in the authors' comparison, which highlights the importance of both objective choice and the states receiving supervision for subsequent RL.

Shuai Dong, Yong-Fu Zhu, Yu-Qi Xu et al. · 3 citations · ⚡1

Preprint Sep 2026

SafeRI: Recognition and Intervention for Token-Level Safety Intervention in Large Vision Language Models

This work proposes a streaming recognition and gated LoRA framework for intrinsic VLM safety, which is trained from unsafe prefixes, transition statements, and safe continuations, so that it learns to redirect unsafe generations back to safe responses after activation.

Cao-Yuan Ma, Tian Gu, Wen-Pu Liu et al. · 0 citations