activity
20202026
most citedAb Initio Particle-based Object Manipulation

7 citations · 19 across the 8 of their papers we have counts for

collaborators

8 papers

cs.LG2026

DARTS: Distribution-Aware Active Rollout Trajectory Shaping for Accelerating LLM Reinforcement Learning

Yujie Wang, Siwei Chen, Longzan Luo +4

Reinforcement Learning (RL) has become pivotal for improving model capabilities yet suffers from rollout efficiency bottlenecks due to the long-tail response length distribution. W…

cs.CV2023★ 3 cited

DiffMimic: Efficient Motion Mimicking with Differentiable Physics

Jiawei Ren, Cunjun Yu, Siwei Chen +3

Motion mimicking is a foundational task in physics-based character animation. However, most existing motion mimicking methods are built upon reinforcement learning (RL) and suffer…

cs.RO2022★ 1 cited

DaXBench: Benchmarking Deformable Object Manipulation with Differentiable Physics

Siwei Chen, Yiqing Xu, Cunjun Yu +4

Deformable Object Manipulation (DOM) is of significant importance to both daily and industrial applications. Recent successes in differentiable physics simulators allow learning al…

cs.LG2022★ 1 cited

Imitation Learning via Differentiable Physics

Siwei Chen, Xiao Ma, Zhongwen Xu

Existing imitation learning (IL) methods such as inverse reinforcement learning (IRL) usually have a double-loop training process, alternating between learning a reward function an…

cs.RO2021★ 7 cited

Ab Initio Particle-based Object Manipulation

Siwei Chen, Xiao Ma, Yunfan Lu +1

This paper presents Particle-based Object Manipulation (Prompt), a new approach to robot manipulation of novel objects ab initio, without prior object models or pre-training on a l…

cs.LG2020

Improving Layer-wise Adaptive Rate Methods using Trust Ratio Clipping

Jeffrey Fong, Siwei Chen, Kaiqi Chen

Training neural networks with large batch is of fundamental significance to deep learning. Large batch training remarkably reduces the amount of training time but has difficulties…

cs.LG2020★ 7 cited

Contrastive Variational Reinforcement Learning for Complex Observations

Xiao Ma, Siwei Chen, David Hsu +1

Deep reinforcement learning (DRL) has achieved significant success in various robot tasks: manipulation, navigation, etc. However, complex visual observations in natural environmen…

cs.LG2020

DinerDash Gym: A Benchmark for Policy Learning in High-Dimensional Action Space

Siwei Chen, Xiao Ma, David Hsu

It has been arduous to assess the progress of a policy learning algorithm in the domain of hierarchical task with high dimensional action space due to the lack of a commonly accept…