activity
20192026
most citedAb Initio Particle-based Object Manipulation

7 citations · 32 across the 33 of their papers we have counts for

collaborators

35 papers

cs.RO2026

BridgeVLA++: A Data-Efficient, Generalizable, and Memory-Augmented Vision-Language-Action Framework for 3D Manipulation

Peiyan Li, Yuze Zhu, Yixiang Chen +10

Leveraging pre-trained vision-language models (VLMs) to construct vision-language-action (VLA) models has emerged as a promising paradigm for 3D robot manipulation. However, existi…

cs.RO2026

SiMDex: Mining Similar Egocentric Videos for Cross-Embodiment Dexterous Manipulation

Nie Lin, Takehiko Ohkawa, Sijin Chen +10

Recent years have witnessed an explosive trend of scaling ego-centric human videos for robot manipulation, yet it remains unclear which data actually benefits dexterous manipulatio…

cs.RO2026

World Value Models for Robotic Manipulation

Zhihao Wang, Jianxiong Li, Yu Cui +4

Generalist value models play a pivotal role in scaling robotic policy learning from large-scale, mixed-quality data. Mathematically, accurate value estimation demands deep temporal…

cs.RO2026

TTT-VLA: Test-Time Latent Prompt Optimization for Vision-Language-Action Models

Wenbo Zhang, Jianxiong Li, Shuai Yang +4

Vision-Language-Action (VLA) models trained on large-scale data have made remarkable progress, but they remain vulnerable to distribution shifts at deployment time. Recent VLA mode…

cs.RO2026

Hand-in-the-Loop: Improving VLA Policies for Dexterous Manipulation via Seamless Hand-Arm Intervention

Zhuohang Li, Liqun Huang, Wei Xu +5

Vision-Language-Action (VLA) models are prone to compounding errors in dexterous manipulation, where high-dimensional action spaces and contact-rich dynamics amplify small policy d…

cs.LG2026

FLAC: Maximum Entropy RL via Kinetic Energy Regularized Bridge Matching

Lei Lv, Yunfei Li, Yu Luo +2

Iterative generative policies, such as diffusion models and flow matching, offer superior expressivity for continuous control but complicate Maximum Entropy Reinforcement Learning…

cs.RO2026

GR-Dexter Technical Report

Ruoshi Wen, Guangzeng Chen, Zhongren Cui +23

Vision-language-action (VLA) models have enabled language-conditioned, long-horizon robot manipulation, but most existing systems are limited to grippers. Scaling VLA policies to b…

cs.RO2025★ 1 cited

GR-RL: Going Dexterous and Precise for Long-Horizon Robotic Manipulation

Yunfei Li, Xiao Ma, Jiafeng Xu +18

We present GR-RL, a robotic learning framework that turns a generalist vision-language-action (VLA) policy into a highly capable specialist for long-horizon dexterous manipulation.…

cs.RO2025

WMPO: World Model-based Policy Optimization for Vision-Language-Action Models

Fangqi Zhu, Zhengyang Yan, Zicong Hong +3

Vision-Language-Action (VLA) models have shown strong potential for general-purpose robotic manipulation, but their reliance on expert demonstrations limits their ability to learn…

cs.RO2025★ 1 cited

ByteWrist: A Parallel Robotic Wrist Enabling Flexible and Anthropomorphic Motion for Confined Spaces

Jiawen Tian, Liqun Huang, Zhongren Cui +4

This paper introduces ByteWrist, a novel highly-flexible and anthropomorphic parallel wrist for robotic manipulation. ByteWrist addresses the critical limitations of existing seria…

cs.RO2025

GR-3 Technical Report

Chilam Cheang, Sijin Chen, Zhongren Cui +18

We report our recent progress towards building generalist robot policies, the development of GR-3. GR-3 is a large-scale vision-language-action (VLA) model. It showcases exceptiona…

cs.LG2025

Flow-Based Policy for Online Reinforcement Learning

Lei Lv, Yunfei Li, Yu Luo +4

We present \textbf{FlowRL}, a novel framework for online reinforcement learning that integrates flow-based policy representation with Wasserstein-2-regularized optimization. We arg…

cs.RO2025

Chain-of-Action: Trajectory Autoregressive Modeling for Robotic Manipulation

Wenbo Zhang, Tianrun Hu, Hanbo Zhang +7

We present Chain-of-Action (CoA), a novel visuo-motor policy paradigm built upon Trajectory Autoregressive Modeling. Unlike conventional approaches that predict next step action(s)…

cs.RO2025

BridgeVLA: Input-Output Alignment for Efficient 3D Manipulation Learning with Vision-Language Models

Peiyan Li, Yixiang Chen, Hongtao Wu +6

Recently, leveraging pre-trained vision-language models (VLMs) for building vision-language-action (VLA) models has emerged as a promising approach to effective robot manipulation…

cs.RO2025

Human-assisted Robotic Policy Refinement via Action Preference Optimization

Wenke Xia, Yichu Yang, Hongtao Wu +3

Establishing a reliable and iteratively refined robotic system is essential for deploying real-world applications. While Vision-Language-Action (VLA) models are widely recognized a…

cs.LG2025

Rebalanced Multimodal Learning with Data-aware Unimodal Sampling

Qingyuan Jiang, Zhouyang Chi, Xiao Ma +3

To address the modality learning degeneration caused by modality imbalance, existing multimodal learning~(MML) approaches primarily attempt to balance the optimization process of e…

cs.RO2024

Effective Tuning Strategies for Generalist Robot Manipulation Policies

Wenbo Zhang, Yang Li, Yanyuan Qiao +5

Generalist robot manipulation policies (GMPs) have the potential to generalize across a wide range of tasks, devices, and environments. However, existing policies continue to strug…

cs.RO2024

BiGym: A Demo-Driven Mobile Bi-Manual Manipulation Benchmark

Nikita Chernyadev, Nicholas Backshall, Xiao Ma +3

We introduce BiGym, a new benchmark and learning environment for mobile bi-manual demo-driven robotic manipulation. BiGym features 40 diverse tasks set in home environments, rangin…

cs.AI2024

Mixture of Experts based Multi-task Supervise Learning from Crowds

Tao Han, Huaixuan Shi, Xinyi Ding +3

Existing truth inference methods in crowdsourcing aim to map redundant labels and items to the ground truth. They treat the ground truth as hidden variables and use statistical or…

cs.RO2024

Green Screen Augmentation Enables Scene Generalisation in Robotic Manipulation

Eugene Teoh, Sumit Patidar, Xiao Ma +1

Generalising vision-based manipulation policies to novel environments remains a challenging area with limited exploration. Current practices involve collecting data in one location…

cs.RO2024

Redundancy-aware Action Spaces for Robot Learning

Pietro Mazzaglia, Nicholas Backshall, Xiao Ma +1

Joint space and task space control are the two dominant action modes for controlling robot arms within the robot learning literature. Actions in joint space provide precise control…

cs.RO2024★ 1 cited

Hierarchical Diffusion Policy for Kinematics-Aware Multi-Task Robotic Manipulation

Xiao Ma, Sumit Patidar, Iain Haughton +1

This paper introduces Hierarchical Diffusion Policy (HDP), a hierarchical agent for multi-task robotic manipulation. HDP factorises a manipulation policy into a hierarchical struct…

cs.CV2023★ 4 cited

InsActor: Instruction-driven Physics-based Characters

Jiawei Ren, Mingyuan Zhang, Cunjun Yu +3

Generating animation of physics-based characters with intuitive control has long been a desirable task with numerous applications. However, generating physically simulated animatio…

cs.LG2023★ 3 cited

Decoupled Prioritized Resampling for Offline RL

Yang Yue, Bingyi Kang, Xiao Ma +4

Offline reinforcement learning (RL) is challenged by the distributional shift problem. To address this problem, existing works mainly focus on designing sophisticated policy constr…