collaborators

14 papers

cs.RO2026

-WAM: Repair-and-Reject Post-Training for World Action Models

Ruiyan Xu, Haisheng Su, Sixu Lin +4

World Action Models (WAMs) emerge as a promising foundation for policy refinement by predicting the consequences of sampled actions. However, visually plausible predictions can mis…

cs.RO2026

RoboSynChallenge: Mastering Real-World Dexterity via Generalizing Synthesized Manipulation Skills

Runyi Zhao, Ruixin Wu, Chengkun Li +15

Achieving generalizable robotic manipulation remains a central challenge in embodied intelligence. Despite rapid advances in model architectures and learning algorithms, progress i…

cs.RO2026

Vid2WAM: Distilling Video Diffusion Priors into World Action Models

Chenhao Qiu, Ruixiang Wang, Runyi Zhao +7

World Action Models (WAMs) improve robot policy learning by jointly modeling future visual dynamics and actions. However, their scalability and generalization remain constrained by…

cs.RO2026

LIRA: Local Cross-Layer Information Routing for Vision-Language-Action Decoding

Zhewei Zhang, Puyue Wang, Guanren Qiao +10

Vision-Language-Action (VLA) models transform representations from pretrained vision-language models (VLMs) into robot actions, yet the interface that routes intermediate VLM featu…

cs.RO2026

RoboReact: Agentic Skill Distillation from Generated Egocentric Videos for Generalizable Whole-Body Manipulation

Shuliang He, Shuai Wang, Bo Yue +3

Humanoid robots have the potential to perform dexterous manipulation in human environments, yet acquiring diverse and generalizable skills remains costly due to expensive hardware…

cs.CV2026

LoopVLA: cross-subtask event memory for looped task execution

Shoujing Zhu, Zhenyang Liu, Fungmiu Wang +6

Repetitive tasks are common in real-world manipulation, yet current vision-language-action (VLA) policies remain unreliable for repeated actions. We present LoopVLA, a cross-subtas…

cs.RO2026

RoboFlow4D: A Lightweight Flow World Model Toward Real-Time Flow-Guided Robotic Manipulation

Sixu Lin, Junliang Chen, Huaiyuan Xu +8

Planning and acting in 3D environments is a fundamental capability for robotic manipulation in the real world. Although prior work has explored predictive flow planners to guide 3D…

cs.RO2026

DyGRO-VLA: Cross-Task Scaling of Vision-Language-Action Models via Dynamic Grouped Residual Optimization

Sixu Lin, Yunpeng Qing, Litao Liu +4

Recent progress in Reinforcement Learning (RL) provides a principled approach to optimizing Vision-Language-Action (VLA) models, facilitating a shift from trajectory imitation to a…

cs.RO2026

From Reaction to Anticipation: Proactive Failure Recovery through Agentic Task Graph for Robotic Manipulation

Sheng Xu, Ruixing Jin, Huayi Zhou +6

Although robotic manipulation has made significant progress, reliable execution remains challenging because task failures are inevitable in dynamic and unstructured environments. T…

cs.AI2026

TacticGen: Grounding Adaptable and Scalable Generation of Football Tactics

Sheng Xu, Guiliang Liu, Tarak Kharrat +12

Success in association football relies on both individual skill and coordinated tactics. While recent advancements in spatio-temporal data and deep learning have enabled predictive…

cs.CV2026

DexWorldModel: Causal Latent World Modeling towards Automated Learning of Embodied Tasks

Yueci Deng, Guiliang Liu, Kui Jia

Deploying generative World-Action Models for manipulation is severely bottlenecked by redundant pixel-level reconstruction, memory scaling, and sequential inferenc…

cs.RO2026

Grounding Sim-to-Real Generalization in Robotic Manipulation: An Empirical Study with Vision-Language-Action Models

Ruixing Jin, Zicheng Zhu, Ruixiang Ouyang +4

Learning a generalist control policy for robotic manipulation typically relies on large-scale datasets. Given the high cost of real-world data collection, a practical alternative i…

cs.LG2024

Provably Efficient Exploration in Inverse Constrained Reinforcement Learning

Bo Yue, Jian Li, Guiliang Liu

Optimizing objective functions subject to constraints is fundamental in many real-world applications. However, these constraints are often not readily defined and must be inferred…

cs.LG2024

A Comprehensive Survey on Inverse Constrained Reinforcement Learning: Definitions, Progress and Challenges

Guiliang Liu, Sheng Xu, Shicheng Liu +3

Inverse Constrained Reinforcement Learning (ICRL) is the task of inferring the implicit constraints that expert agents adhere to, based on their demonstration data. As an emerging…