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Lifeng Chen

Ph.D. student in Computer Science
University of Georgia

About me

I am a first-year Ph.D. student in Computer Science at the University of Georgia, where I am fortunate to be advised by Distinguished Research Professor Tianming Liu. My research interests lie in multimodal foundation models, with a focus on multimodal reasoning, multimodal generation, and world models.

Previously, I was a research intern at Xiaohongshu's Super Intelligence Team and Midea Group's AI Research Center. I received my B.Sc. in Computer Science from Beijing Jiaotong University in 2026, where I have had the privilege of working closely with Xiaojie Jin. I also spent time as a visiting student in the AGI Lab at Westlake University, advised by Chi Zhang.

Selected Publications

MedVIGIL motivation: broken visual or textual evidence can cause confident unsupported answers, while trustworthy models recognize the problem

MedVIGIL: Evaluating Trustworthy Medical VLMs Under Broken Visual Evidence

Hanqi Jiang, Junhao Chen, Yi Pan, Lifeng Chen, Weihang You, Haozhen Gong, Ruiyu Yan, Jinglei Lv, Lin Zhao, Hui Ren, Quanzheng Li, Tianming Liu, Xiang Li

NeurIPS 2026 (Evaluations & Datasets Track)

* Equal contribution.

Research Experience

Mar. – Aug. 2026

Xiaohongshu · Super Intelligence Team

Research Intern · Mentor: Feilong Chen

Aug. 2025 – Mar. 2026

Midea Group · AI Research Center

Research Intern · Mentor: Hao Liu

Oct. 2024 – Feb. 2025

Westlake University · AGI Lab

Visiting Student · Advisor: Chi Zhang