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Hua Wei

2 papers indexed

arxivcs.LGcs.AI2026-07-17

DADiff: Diffusion-Driven Cross-Domain Policy Adaptation for Reinforcement Learning

Hanyang Chen, Anirudh Satheesh, Longchao Da, Hua Wei

Transferring policies across domains poses a vital challenge in reinforcement learning, due to the dynamics mismatch between the source and target domains. In this paper, we consider the setting of online dynamics adaptation, where policies are trained in the source domain with s…

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arxivcs.CV2026-07-13

CFR-Net:Collaborative Feature Refnement Network for Medical Image Anomaly Detection

Zihan Nie, Muhao Xu, Wei Feng, Yuan Cui, Hua Wei, Sijie Niu, et al.

Medical image anomaly detection remains challenging because networks pretrained on natural images often exhibit limited adaptability to medical images, where abnormal patterns appear as fine-grained local shifts, multi-scale contextual mismatches, and orientation-sensitive struct…

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