activity
20242026
most citedA Preliminary Study of o1 in Medicine: Are We Closer to an AI Doctor?

15 citations · 23 across the 8 of their papers we have counts for

collaborators

11 papers

cs.CL2026

Representation-Aligned Auxiliary Supervision for Language Model Adaptation

Kyuyoung Kim, Peiyao Sheng, Ashwin Hebbar +9

Language models exhibit strong reasoning capabilities, yet adapting them to structured domains remains challenging and can yield inconsistent outcomes. We identify representation c…

cs.LG2026

How Off-Policy Can GRPO Be? Mu-GRPO for Efficient LLM Reinforcement Learning

Minghao Tian, Yunfei Xie, Chen Wei

Group Relative Policy Optimization (GRPO) has been a key driver of recent progress in reinforcement learning with verifiable rewards (RLVR) for large language models, but it is typ…

cs.CL2026

Correct Answers from Sound Reasoning: Verifiable Process Supervision for Language Models

Kyuyoung Kim, Kevin Wang, Yunfei Xie +7

Training language models to produce both correct answers and sound reasoning remains an open challenge. Reinforcement learning with verifiable rewards typically optimizes only fina…

cs.AI2026

PhysNote: Self-Knowledge Notes for Evolvable Physical Reasoning in Vision-Language Model

Sinin Zhang, Yunfei Xie, Yuxuan Cheng +2

Vision-Language Models (VLMs) have demonstrated strong performance on textbook-style physics problems, yet they frequently fail when confronted with dynamic real-world scenarios th…

cs.AI2026

MEMO: Memory-Augmented Model Context Optimization for Robust Multi-Turn Multi-Agent LLM Games

Yunfei Xie, Kevin Wang, Bobby Cheng +9

Multi-turn, multi-agent LLM game evaluations often exhibit substantial run-to-run variance. In long-horizon interactions, small early deviations compound across turns and are ampli…

cs.CV2025

SCING:Towards More Efficient and Robust Person Re-Identification through Selective Cross-modal Prompt Tuning

Yunfei Xie, Yuxuan Cheng, Juncheng Wu +3

Recent advancements in adapting vision-language pre-training models like CLIP for person re-identification (ReID) tasks often rely on complex adapter design or modality-specific tu…

cs.CV2025

Play to Generalize: Learning to Reason Through Game Play

Yunfei Xie, Yinsong Ma, Shiyi Lan +3

Developing reasoning capabilities in multimodal large language models (MLLMs) remains challenging. Motivated by literature suggesting that gameplay promotes transferable reasoning…

cs.CV2024

Story-Iter: A Training-free Iterative Paradigm for Long Story Visualization

Jiawei Mao, Xiaoke Huang, Yunfei Xie +7

This paper introduces Story-Iter, a new training-free iterative paradigm to enhance long-story generation. Unlike existing methods that rely on fixed reference images to construct…

cs.CL2024★ 15 cited

A Preliminary Study of o1 in Medicine: Are We Closer to an AI Doctor?

Yunfei Xie, Juncheng Wu, Haoqin Tu +6

Large language models (LLMs) have exhibited remarkable capabilities across various domains and tasks, pushing the boundaries of our knowledge in learning and cognition. The latest…

cs.CV2024

From Pixels to Objects: A Hierarchical Approach for Part and Object Segmentation Using Local and Global Aggregation

Yunfei Xie, Cihang Xie, Alan Yuille +1

In this paper, we introduce a hierarchical transformer-based model designed for sophisticated image segmentation tasks, effectively bridging the granularity of part segmentation wi…

cs.CV2024★ 8 cited

MedTrinity-25M: A Large-scale Multimodal Dataset with Multigranular Annotations for Medicine

Yunfei Xie, Ce Zhou, Lang Gao +8

This paper introduces MedTrinity-25M, a comprehensive, large-scale multimodal dataset for medicine, covering over 25 million images across 10 modalities with multigranular annotati…