Chenhan Zhang — accepted AI-conference papers

2026

Steering Beyond the Support: Adversarial Training on Unsupervised Jailbroken Activation Simulation

LUOYU CHEN, Weiqi Wang, Zhiyi Tian, Chenhan Zhang, Feng Wu, Jianhuan Huang +2

ICML 2026poster

Jailbreak prompts can trigger harmful comple- tions on aligned LLMs, In accordance, safety steering has been proposed: test-time activation interventions that steer jailbreak activations to trig- ger refusal while preserving benign utility. How- ever, existing steering methods are fundamentally supe…

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2025

EvaSR: Rethinking Efficient Visual Attention Design for Image Super-Resolution

Zhijian Wu, Chenhan Zhang, Dingjiang Huang

ICASSP 2025accepted

Due to the advantages of long-range modeling via the self-attention mechanism, Transformer has taken various vision tasks by storm, including image super-resolution (SR). In this study, we reveal that the convolutional neural network (CNN) with proper visual attention is a more simple and effective…

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