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

3 citations · 5 across the 7 of their papers we have counts for

collaborators

7 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

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.RO2025

KineDex: Learning Tactile-Informed Visuomotor Policies via Kinesthetic Teaching for Dexterous Manipulation

Di Zhang, Chengbo Yuan, Chuan Wen +3

Collecting demonstrations enriched with fine-grained tactile information is critical for dexterous manipulation, particularly in contact-rich tasks that require precise force contr…

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…

cs.LG2023★ 1 cited

Safe Reinforcement Learning with Dead-Ends Avoidance and Recovery

Xiao Zhang, Hai Zhang, Hongtu Zhou +4

Safety is one of the main challenges in applying reinforcement learning to realistic environmental tasks. To ensure safety during and after training process, existing methods tend…