activity
20232026
most citedHow to Fine-tune the Model: Unified Model Shift and Model Bias Policy Optimization

3 citations · 4 across the 13 of their papers we have counts for

collaborators

14 papers

cs.RO2026

GWM-VLA: Geometry-Aware Latent World Modeling for Vision-Language-Action Learning

Yanping Zhao, Hang Yu, Yiwei Wang +7

Vision-Language-Action (VLA) models achieve strong robotic manipulation performance but often degrade under visual and environmental shifts. Latent world modeling offers a promisin…

cs.RO2026

TS-Mask VLA: 2D Temporal-Spatial Masking for Vision-Language-Action Model with Effective Bridging

Shengzhuo Yang, Ronghao Yu, Chuanjie Lv +5

Vision-language-action (VLA) models aim to understand natural-language instructions and visual observations, and to generate and execute corresponding actions as embodied agents. R…

cs.LG2026

Beyond Penalization: Diffusion-based Out-of-Distribution Detection and Selective Regularization in Offline Reinforcement Learning

Qingjun Wang, Hongtu Zhou, Hang Yu +5

Offline reinforcement learning (RL) faces a critical challenge of overestimating the value of out-of-distribution (OOD) actions. Existing methods mitigate this issue by penalizing…

cs.RO2026

Learning Native Continuation for Action Chunking Flow Policies

Yufeng Liu, Hang Yu, Juntu Zhao +9

Action chunking enables Vision Language Action (VLA) models to run in real time, but naive chunked execution often exhibits discontinuities at chunk boundaries. Real-Time Chunking…

cs.RO2026

Robust and Generalized Humanoid Motion Tracking

Yubiao Ma, Han Yu, Jiayin Xie +7

Learning a general humanoid whole-body controller is challenging because practical reference motions can exhibit noise and inconsistencies after being transferred to the robot doma…

cs.RO2026

Learning Geometrically-Grounded Amodal 3D Representations for View-Generalizable Robotic Manipulation

Di Zhang, Weicheng Duan, Dasen Gu +6

Real-world robotic manipulation requires visuomotor policies capable of robust 3D scene reasoning under varying camera viewpoints. While recent 3D-aware manipulation policies have…

cs.LG2025

ASTRO: Adaptive Stitching via Dynamics-Guided Trajectory Rollouts

Hang Yu, Di Zhang, Qiwei Du +5

Offline reinforcement learning (RL) enables agents to learn optimal policies from pre-collected datasets. However, datasets containing suboptimal and fragmented trajectories presen…

cs.CV2025

Point What You Mean: Visually Grounded Instruction Policy

Hang Yu, Juntu Zhao, Yufeng Liu +9

Vision-Language-Action (VLA) models align vision and language with embodied control, but their object referring ability remains limited when relying solely on text prompt, especial…

cs.CV2025

SpaceDrive: Infusing Spatial Awareness into VLM-based Autonomous Driving

Peizheng Li, Zhenghao Zhang, David Holtz +6

End-to-end autonomous driving methods built on vision language models (VLMs) have undergone rapid development driven by their universal visual understanding and strong reasoning ca…

cs.CV2025

Open-world Hand-Object Interaction Video Generation Based on Structure and Contact-aware Representation

Haodong Yan, Hang Yu, Zhide Zhong +8

Generating realistic hand-object interactions (HOI) videos is a significant challenge due to the difficulty of modeling physical constraints (e.g., contact and occlusion between ha…

cs.RO2025

DexH2R: A Benchmark for Dynamic Dexterous Grasping in Human-to-Robot Handover

Youzhuo Wang, Jiayi Ye, Chuyang Xiao +6

Handover between a human and a dexterous robotic hand is a fundamental yet challenging task in human-robot collaboration. It requires handling dynamic environments and a wide varie…

cs.AI2025

MMGraphRAG: Bridging Vision and Language with Interpretable Multimodal Knowledge Graphs

Xueyao Wan, Hang Yu

Large Language Models (LLMs) suffer from hallucinations due to their static parametric knowledge. Retrieval-Augmented Generation (RAG) and GraphRAG mitigate this issue by incorpora…

cs.CV2024★ 1 cited

Focus On What Matters: Separated Models For Visual-Based RL Generalization

Di Zhang, Bowen Lv, Hai Zhang +7

A primary challenge for visual-based Reinforcement Learning (RL) is to generalize effectively across unseen environments. Although previous studies have explored different auxiliar…

cs.LG2023★ 3 cited

How to Fine-tune the Model: Unified Model Shift and Model Bias Policy Optimization

Hai Zhang, Hang Yu, Junqiao Zhao +5

Designing and deriving effective model-based reinforcement learning (MBRL) algorithms with a performance improvement guarantee is challenging, mainly attributed to the high couplin…