Yu Fang

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I am a fourth year Ph.D. student in Computer Science at the University of North Carolina at Chapel Hill, working with Prof. Mingyu Ding and Prof. Daniel Szafir. Before that, I obtained my master’s degree at ShanghaiTech University, advised by Prof. Dinggang Shen and Prof. Zhiming Cui. During my Ph.D., I interned at Salesforce AI Research with Dr. Michael S. Ryoo and Dr. Juan Carlos Niebles, and at Meta Monetization GenAI with Dr. Shoufa Chen.

I am broadly interested in embodied AI and robot learning. My long-term goal is to develop and study scalable, generalizable, and reliable agents that can perceive, reason, and act in complex real-world environments. My current research includes: (1) foundation models for robotic manipulation, including VLAs, world models, and agentic policies; (2) synthetic data generation and sim-to-real applications; and (3) systematic and scalable evaluation of robot policies.

Publications

When Vision Overrides Language: Evaluating and Mitigating Counterfactual Failures in VLAs

Yu Fang, Yuchun Feng, Dong Jing, Jiaqi Liu, Yue Yang, Zhenyu Wei, Daniel Szafir, Mingyu Ding.
CoRL 2026 (Spotlight)

LiLo-VLA: Compositional Long-Horizon Manipulation via Linked Object-Centric Policies

Yue Yang, Shuo Cheng, Yu Fang, Homanga Bharadhwaj, Mingyu Ding, Gedas Bertasius, Daniel Szafir.
IROS 2026 @ CompRobotics (Best Paper Award)

Future Optical Flow Prediction Improves Robot Control & Video Generation

Kanchana Ranasinghe, Honglu Zhou, Yu Fang, Luyu Yang, Le Xue, Ran Xu, Caiming Xiong, Silvio Savarese, Michael S Ryoo, Juan Carlos Niebles.
CVPR 2026 Findings

DenseReward: Dense Reward Learning via Failure Synthesis for Robotic Manipulation

Yu Fang*, Wanxi Dong*, Jiaqi Liu, Yue Yang, Mingxiao Huo, Yao Mu, Huaxiu Yao, Li Erran Li, Daniel Szafir, Mingyu Ding.
CoRL 2026 @ Oopsie

WatchAct: A Benchmark for Behavior-Grounded Robot Manipulation

Baiqi Li, Ce Zhang, Yu Fang, Yue Yang, Shangzhe Li, Mingyu Ding, Gedas Bertasius.
arXiv, 2026

Robotic VLA Benefits from Joint Learning with Motion Image Diffusion

Yu Fang, Kanchana Ranasinghe, Le Xue, Honglu Zhou, Juntao Tan, Ran Xu, Shelby Heinecke, Caiming Xiong, Silvio Savarese, Daniel Szafir, Mingyu Ding, Michael S. Ryoo, Juan Carlos Niebles.
CoRL 2026 @ TAG

ReBot: Scaling Robot Learning with Real-to-Sim-to-Real Robotic Video Synthesis

Yu Fang, Yue Yang, Xinghao Zhu, Kaiyuan Zheng, Gedas Bertasius, Daniel Szafir, Mingyu Ding.
IROS 2025

SNAF: Sparse-view CBCT Reconstruction with Neural Attenuation Fields

Yu Fang, Lanzhuju Mei, Changjian Li, Yuan Liu, Wenping Wang, Zhiming Cui, Dinggang Shen.
arXiv, 2022

Curvature-enhanced Implicit Function Network for High-quality Tooth Model Generation from CBCT Images

Yu Fang, Zhiming Cui, Lei Ma, Lanzhuju Mei, Bojun Zhang, Yue Zhao, Zhihao Jiang, Yiqiang Zhan, Yongsheng Pan, Min Zhu, Dinggang Shen.
MICCAI 2022 (early accepted)

A Fully Automatic AI System for Tooth and Alveolar Bone Segmentation from Cone-beam CT Images

Zhiming Cui*, Yu Fang*, Lanzhuju Mei*, Bojun Zhang*, Bo Yu, Jiameng Liu, Caiwen Jiang, Yuhang Sun, Lei Ma, Jiawei Huang, Yang Liu, Yue Zhao, Chunfeng Lian, Zhongxiang Ding, Min Zhu, Dinggang Shen.
Nature Communications, 2022

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