Author

Xinping Gao

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#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

Preprint Aug 2026

Unleashing the Potential of Vision-Language Models for Generalizable AI-Generated Image Detection

Across cross-generator, post-processing, and in-the-wild benchmarks, PE-SPC surpasses the previous DINOv3 baseline and achieves new state-of-the-art results.

Wei-Han Cai, Hao Tan, Zichang Tan et al. · 0 citations