collaborators

5 papers

cs.CV2026

Return of Frustratingly Easy Unsupervised Video Domain Adaptation

Pengfei Wei, Yiqun Sun, Zhiqiang Xu +2

Unsupervised video domain adaptation (UVDA) is a practical but under-explored problem. In this paper, we propose a frustratingly easy UVDA method, called MetaTrans. Specifically, M…

cs.IR2026

Corpus2Skill: Distilling Enterprise Knowledge into Navigable Agent Skills for QA and RAG

Yiqun Sun, Pengfei Wei, Lawrence B. Hsieh

Retrieval-Augmented Generation (RAG) grounds LLM responses in external evidence but treats the model as a passive consumer of search results, with no view of how the corpus is orga…

cs.IR2026

Very Efficient Listwise Multimodal Reranking for Long Documents

Yiqun Sun, Pengfei Wei, Lawrence B. Hsieh

Listwise reranking is a key yet computationally expensive component in vision-centric retrieval and multimodal retrieval-augmented generation (M-RAG) over long documents. While rec…

cs.CV2026

Sparse Autoencoders as Plug-and-Play Firewalls for Adversarial Attack Detection in VLMs

Hao Wang, Yiqun Sun, Pengfei Wei +2

Vision-language models (VLMs) have advanced rapidly and are increasingly deployed in real-world applications, especially with the rise of agent-based systems. However, their safety…

cs.AI2026

OrchMAS: Orchestrated Reasoning with Multi Collaborative Heterogeneous Scientific Expert Structured Agents

Yichao Feng, Haoran Luo, Zhenghong Lin +4

Multi-agent large language model frameworks are promising for complex multi step reasoning, yet existing systems remain weak for scientific and knowledge intensive domains due to s…