activity
20242026
most citedIdentifying Policy Gradient Subspaces

1 citations · 1 across the 7 of their papers we have counts for

collaborators

8 papers

cs.CV2026

WAMJET: A Harness for World Action Model Acceleration

Le Chen, Lixin Liu, Jan Schneider +4

World Action Models (WAMs) leverage pretrained video foundation models for robot manipulation, but their large backbones and video-action co-prediction are expensive. Although exis…

cs.RO2026

Sim-to-Real Transfer for Muscle-Actuated Robots via Generalized Actuator Networks

Jan Schneider, Mridul Mahajan, Le Chen +4

Tendon drives paired with soft muscle actuation enable faster and safer robots while potentially accelerating skill acquisition. Still, these systems are rarely used in practice du…

cs.LG2026

Bounded Ratio Reinforcement Learning

Yunke Ao, Le Chen, Bruce D. Lee +5

Proximal Policy Optimization (PPO) has become the predominant algorithm for on-policy reinforcement learning due to its scalability and empirical robustness across domains. However…

cs.CV2026

LOME: Learning Human-Object Manipulation with Action-Conditioned Egocentric World Model

Quankai Gao, Jiawei Yang, Qiangeng Xu +2

Learning human-object manipulation presents significant challenges due to its fine-grained and contact-rich nature of the motions involved. Traditional physics-based animation requ…

cs.RO2025

Dexterous Robotic Piano Playing at Scale

Le Chen, Yi Zhao, Jan Schneider +7

Endowing robot hands with human-level dexterity has been a long-standing goal in robotics. Bimanual robotic piano playing represents a particularly challenging task: it is high-dim…

cs.LG2025

Efficient Reinforcement Learning by Guiding World Models with Non-Curated Data

Yi Zhao, Aidan Scannell, Wenshuai Zhao +7

Leveraging offline data is a promising way to improve the sample efficiency of online reinforcement learning (RL). This paper expands the pool of usable data for offline-to-online…

cs.RO2024

RP1M: A Large-Scale Motion Dataset for Piano Playing with Bi-Manual Dexterous Robot Hands

Yi Zhao, Le Chen, Jan Schneider +5

It has been a long-standing research goal to endow robot hands with human-level dexterity. Bi-manual robot piano playing constitutes a task that combines challenges from dynamic ta…

cs.LG2024★ 1 cited

Identifying Policy Gradient Subspaces

Jan Schneider, Pierre Schumacher, Simon Guist +4

Policy gradient methods hold great potential for solving complex continuous control tasks. Still, their training efficiency can be improved by exploiting structure within the optim…