collaborators

9 papers

cs.RO2026

HOTICE: Whole-Body Humanoid Object Transportation in Cluttered Environments

Toan Nguyen, Weiduo Yuan, Siheng Zhao +2

Object transportation is a fundamental capability for humanoid robots operating in real-world, human-centric environments, yet existing methods struggle when clutter constrains fre…

cs.RO2026

VLAConf: Calibrated Task-Success Confidence for Vision-Language-Action Models

Dehao Huang, Aoxiang Gu, Chengjie Zhang +5

Task-success confidence estimation for Vision-Language-Action (VLA) models provides a crucial task-level signal for monitoring manipulation in open-world environments and supportin…

cs.RO2026

Large Reward Models: Generalizable Online Robot Reward Generation with Vision-Language Models

Yanru Wu, Weiduo Yuan, Ang Qi +4

Reinforcement Learning (RL) has shown strong potential for improving robotic manipulation policies, yet its practical use remains bottlenecked by the difficulty of specifying rewar…

cs.RO2026

DreamPlan: Efficient Reinforcement Fine-Tuning of Vision-Language Planners via Video World Models

Emily Yue-Ting Jia, Weiduo Yuan, Tianheng Shi +3

Robotic manipulation requires sophisticated commonsense reasoning, a capability naturally possessed by large-scale Vision-Language Models (VLMs). While VLMs show promise as zero-sh…

cs.CV2026

Fast SAM 3D Body: Accelerating SAM 3D Body for Real-Time Full-Body Human Mesh Recovery

Timing Yang, Sicheng He, Hongyi Jing +4

SAM 3D Body (3DB) achieves state-of-the-art accuracy in monocular 3D human mesh recovery, yet its inference latency of several seconds per image precludes real-time application. We…

cs.RO2026

MA-VLCM: A Vision Language Critic Model for Value Estimation of Policies in Multi-Agent Team Settings

Shahil Shaik, Aditya Parameshwaran, Anshul Nayak +2

Multi-agent reinforcement learning (MARL) commonly relies on a centralized critic to estimate the value function. However, learning such a critic from scratch is highly sample-inef…

cs.RO2026

ICLR: In-Context Imitation Learning with Visual Reasoning

Toan Nguyen, Weiduo Yuan, Songlin Wei +3

In-context imitation learning enables robots to adapt to new tasks from a small number of demonstrations without additional training. However, existing approaches typically conditi…

cs.LG2026

FuzzingRL: Reinforcement Fuzz-Testing for Revealing VLM Failures

Jiajun Xu, Jiageng Mao, Ang Qi +5

Vision Language Models (VLMs) are prone to errors, and identifying where these errors occur is critical for ensuring the reliability and safety of AI systems. In this paper, we pro…

cs.RO2025

SeFA-Policy: Fast and Accurate Visuomotor Policy Learning with Selective Flow Alignment

Rong Xue, Jiageng Mao, Mingtong Zhang +1

Developing efficient and accurate visuomotor policies poses a central challenge in robotic imitation learning. While recent rectified flow approaches have advanced visuomotor polic…