activity
20132026
most citedLearning Dense Rewards for Contact-Rich Manipulation Tasks

8 citations · 23 across the 14 of their papers we have counts for

collaborators

14 papers

cs.AI2026

From Digital to Physical: Digital Agents as Autonomous Coaches for Physical Intelligence

Zixing Lei, Genjia Liu, Yuanshuo Zhang +11

The field of Embodied AI is witnessing a rapid evolution toward general-purpose robotic systems, fueled by high-fidelity simulation and large-scale data collection. However, this s…

cs.RO2023

Cable Routing and Assembly using Tactile-driven Motion Primitives

Achu Wilson, Helen Jiang, Wenzhao Lian +1

Manipulating cables is challenging for robots because of the infinite degrees of freedom of the cables and frequent occlusion by the gripper and the environment. These challenges a…

cs.RO2022

Prim-LAfD: A Framework to Learn and Adapt Primitive-Based Skills from Demonstrations for Insertion Tasks

Zheng Wu, Wenzhao Lian, Changhao Wang +3

Learning generalizable insertion skills in a data-efficient manner has long been a challenge in the robot learning community. While the current state-of-the-art methods with reinfo…

cs.RO2022

Allowing Safe Contact in Robotic Goal-Reaching: Planning and Tracking in Operational and Null Spaces

Xinghao Zhu, Wenzhao Lian, Bodi Yuan +2

In recent years, impressive results have been achieved in robotic manipulation. While many efforts focus on generating collision-free reference signals, few allow safe contact betw…

cs.RO2022

Zero-Shot Policy Transfer with Disentangled Task Representation of Meta-Reinforcement Learning

Zheng Wu, Yichen Xie, Wenzhao Lian +5

Humans are capable of abstracting various tasks as different combinations of multiple attributes. This perspective of compositionality is vital for human rapid learning and adaptio…

cs.RO2022★ 1 cited

Symbolic State Estimation with Predicates for Contact-Rich Manipulation Tasks

Toki Migimatsu, Wenzhao Lian, Jeannette Bohg +1

Manipulation tasks often require a robot to adjust its sensorimotor skills based on the state it finds itself in. Taking peg-in-hole as an example: once the peg is aligned with the…

cs.RO2022

You Only Demonstrate Once: Category-Level Manipulation from Single Visual Demonstration

Bowen Wen, Wenzhao Lian, Kostas Bekris +1

Promising results have been achieved recently in category-level manipulation that generalizes across object instances. Nevertheless, it often requires expensive real-world data col…

cs.RO2021★ 4 cited

CaTGrasp: Learning Category-Level Task-Relevant Grasping in Clutter from Simulation

Bowen Wen, Wenzhao Lian, Kostas Bekris +1

Task-relevant grasping is critical for industrial assembly, where downstream manipulation tasks constrain the set of valid grasps. Learning how to perform this task, however, is ch…

cs.RO2021★ 1 cited

Benchmarking Off-The-Shelf Solutions to Robotic Assembly Tasks

Wenzhao Lian, Tim Kelch, Dirk Holz +2

In recent years, many learning based approaches have been studied to realize robotic manipulation and assembly tasks, often including vision and force/tactile feedback. However, it…

cs.AI2021★ 4 cited

Robust Multi-Modal Policies for Industrial Assembly via Reinforcement Learning and Demonstrations: A Large-Scale Study

Jianlan Luo, Oleg Sushkov, Rugile Pevceviciute +6

Over the past several years there has been a considerable research investment into learning-based approaches to industrial assembly, but despite significant progress these techniqu…

cs.RO2021

Interpreting Contact Interactions to Overcome Failure in Robot Assembly Tasks

Peter A. Zachares, Michelle A. Lee, Wenzhao Lian +1

A key challenge towards the goal of multi-part assembly tasks is finding robust sensorimotor control methods in the presence of uncertainty. In contrast to previous works that rely…

cs.RO2020★ 8 cited

Learning Dense Rewards for Contact-Rich Manipulation Tasks

Zheng Wu, Wenzhao Lian, Vaibhav Unhelkar +2

Rewards play a crucial role in reinforcement learning. To arrive at the desired policy, the design of a suitable reward function often requires significant domain expertise as well…

stat.ML2015★ 4 cited

Convex Factorization Machine for Regression

Makoto Yamada, Wenzhao Lian, Amit Goyal +6

We propose the convex factorization machine (CFM), which is a convex variant of the widely used Factorization Machines (FMs). Specifically, we employ a linear+quadratic model and r…

q-bio.QM2013★ 1 cited

Multichannel Electrophysiological Spike Sorting via Joint Dictionary Learning & Mixture Modeling

David E. Carlson, Joshua T. Vogelstein, Qisong Wu +7

We propose a construction for joint feature learning and clustering of multichannel extracellular electrophysiological data across multiple recording periods for action potential d…