collaborators

6 papers

cs.CV2025

Look Again, Think Slowly: Enhancing Visual Reflection in Vision-Language Models

Pu Jian, Junhong Wu, Wei Sun +3

Recent advances in text-only "slow-thinking" reasoning have prompted efforts to transfer this capability to vision-language models (VLMs), for training visual reasoning models (\te…

cs.CV2025

Teaching Vision-Language Models to Ask: Resolving Ambiguity in Visual Questions

Pu Jian, Donglei Yu, Wen Yang +2

In visual question answering (VQA) context, users often pose ambiguous questions to visual language models (VLMs) due to varying expression habits. Existing research addresses such…

cs.CL2025

TableRAG: A Retrieval Augmented Generation Framework for Heterogeneous Document Reasoning

Xiaohan Yu, Pu Jian, Chong Chen

Retrieval-Augmented Generation (RAG) has demonstrated considerable effectiveness in open-domain question answering. However, when applied to heterogeneous documents, comprising bot…

cs.CV2025

CROP: Contextual Region-Oriented Visual Token Pruning

Jiawei Guo, Feifei Zhai, Pu Jian +2

Current VLM-based VQA methods often process entire images, leading to excessive visual tokens that include redundant information irrelevant to the posed question. This abundance of…

cs.AI2025

KTAE: A Model-Free Algorithm to Key-Tokens Advantage Estimation in Mathematical Reasoning

Wei Sun, Wen Yang, Pu Jian +4

Recent advances have demonstrated that integrating reinforcement learning with rule-based rewards can significantly enhance the reasoning capabilities of large language models, eve…

cs.AI2025

Towards Scientific Intelligence: A Survey of LLM-based Scientific Agents

Shuo Ren, Can Xie, Pu Jian +3

As scientific research becomes increasingly complex, innovative tools are needed to manage vast data, facilitate interdisciplinary collaboration, and accelerate discovery. Large la…