Author

Shibiao Xu

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Preprint Aug 2026

Close Shortcut Wins Long: Seeking Diverse and Stable Generators for Data-Free Knowledge Distillation

Data-Free Knowledge Distillation (DFKD) preserves privacy by transferring knowledge without real data access. However, existing generator-based DFKD methods suffer from over-reliance on teacher preferences and pattern collapse, exhibiting"generative shortcut learning"in the frequency domain: dependent on specific frequ...

Kailin Lyu, Zherui Zhang, Jun-Hao Dong et al. · 0 citations

#artificial intelligence Preprint Sep 2026

PETR: Prompt Ensembling with Training-free Routing for Vision-Language Models

Prompt learning efficiently adapts vision-language models (VLMs) to downstream tasks, but gains on seen classes often come at the expense of generalization to unseen classes. To address this limitation, we propose prompt ensembling with training-free routing (PETR), whose key innovation is a carefully designed dual-pro...

Wei-Han Cai, Hao Tan, Xin-Ping Gao et al. · 0 citations