collaborators

6 papers

cs.CV2026

Let Your Image Move with Your Motion! -- Implicit Multi-Object Multi-Motion Transfer

Yuze Li, Dong Gong, Xiao Cao +6

Motion transfer has emerged as a promising direction for controllable video generation, yet existing methods largely focus on single-object scenarios and struggle when multiple obj…

cs.AI2026

State-Action Inpainting Diffuser for Continuous Control with Delay

Dongqi Han, Wei Wang, Enze Zhang +1

Signal delay poses a fundamental challenge in continuous control and reinforcement learning (RL) by introducing a temporal gap between interaction and perception. Current solutions…

cs.CL2025

Do Not Let Low-Probability Tokens Over-Dominate in RL for LLMs

Zhihe Yang, Xufang Luo, Zilong Wang +4

Reinforcement learning (RL) has become a cornerstone for enhancing the reasoning capabilities of large language models (LLMs), with recent innovations such as Group Relative Policy…

cs.CV2025

Mitigating Hallucinations in Large Vision-Language Models via DPO: On-Policy Data Hold the Key

Zhihe Yang, Xufang Luo, Dongqi Han +2

Hallucination remains a major challenge for Large Vision-Language Models (LVLMs). Direct Preference Optimization (DPO) has gained increasing attention as a simple solution to hallu…

cs.LG2025

What Makes a Good Diffusion Planner for Decision Making?

Haofei Lu, Dongqi Han, Yifei Shen +1

Diffusion models have recently shown significant potential in solving decision-making problems, particularly in generating behavior plans -- also known as diffusion planning. While…

cs.LG2025

Habitizing Diffusion Planning for Efficient and Effective Decision Making

Haofei Lu, Yifei Shen, Dongsheng Li +2

Diffusion models have shown great promise in decision-making, also known as diffusion planning. However, the slow inference speeds limit their potential for broader real-world appl…