Author

Lulu Xue

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Preprint Sep 2026

UBA-ORL: Unlearning-Activated Backdoor Attacks on Offline Reinforcement Learning

Offline reinforcement learning (offline RL) enables policy learning from pre-collected static datasets without online exploration, and is increasingly deployed not only in safety-critical domains such as autonomous driving and robotic control but also in data-mining applications such as recommendation and behavior anal...

Feng-Yi Wang, Cong Li, Lulu Xue et al. · 0 citations

Preprint Jul 2026

Imperceptible and Reversible Adversarial Examples against Vision-Language Models for Privacy Protection

CloakDiff is proposed, the first framework for reversible, high fidelity privacy protection against text-based query attacks in VLMs and EDM Heuristic Sampling, a principled diffusion schedule for adversarial guidance.

Qinghua Lu, Ziqi Zhou, Yufei Song et al. · 0 citations