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Ye-Chao Zhang

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#artificial intelligence Preprint Sep 2026

OPD-Aha: From Linguistic Momentum to Visual Reflection in Multimodal On-Policy Distillation

OPD-Aha is introduced, which reconstructs the distillation target directly from this isolated visual preference rather than relying on the fragile teacher-student discrepancy, yielding broad and consistent improvements across diverse fine-grained perception and complex multimodal reasoning benchmarks.

Chen-Hao Qiu, Da-Wei Li, Ye-Chao Zhang et al. · 0 citations
Preprint Aug 2026

ECLIPSE: Self-Evolving Stealthy Prompt Injection Attack against Long-Horizon Agentic Systems

ECLIPSE is a self-evolving and stealthy prompt-injection framework for long-horizon agentic systems that achieves up to 96.7% attack success without defense and 69.2% under the common safety filter, exceeding the strongest baseline by 27.5% in the defended setting.

Shi-Qian Zhao, Yang-Fan Zhou, Xin-Feng Li et al. · 0 citations

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