collaborators

5 papers

cs.LG2026

Best-of-Evidence: Best-of-N Selection under Partial Verification

Cenwei Zhang, Teng Fang, Yuxia Wang +3

BoN improves model outputs by sampling several candidates and selecting one with a proxy score, but it assumes that complete candidates can be evaluated reliably. Many vision-langu…

cs.AI2026

Hybrid Open-Ended Tri-Evolution Makes Better Deep Researcher

Hongming Piao, Chi Liu, Mengzhuo Chen +5

Deep research and agent evolution serve as de-facto tasks for AI agents in real-world applications toward artificial general intelligence. The former enables autonomous retrieval a…

cs.CV2026

UniReason-Med: A Shared Grounded Reasoning Interface for 2D-to-3D Transfer in Medical VQA

Mengzhuo Chen, Yan Shu, Chi Liu +4

We study whether grounded reasoning supervision from abundant 2D medical images can improve 3D medical VQA when both input types are aligned through a common reasoning interface. W…

cs.CV2025

Fleming-VL: Towards Universal Medical Visual Reasoning with Multimodal LLMs

Yan Shu, Chi Liu, Robin Chen +2

Multimodal Large Language Models (MLLMs) have demonstrated remarkable effectiveness in various general-domain scenarios, such as visual question answering and image captioning. Rec…

cs.LG2025

Fleming-R1: Toward Expert-Level Medical Reasoning via Reinforcement Learning

Chi Liu, Derek Li, Yan Shu +4

While large language models show promise in medical applications, achieving expert-level clinical reasoning remains challenging due to the need for both accurate answers and transp…