English
Related papers

Related papers: Multimodal and Force-Matched Imitation Learning wi…

200 papers

We propose a model-free deep reinforcement learning method that leverages a small amount of demonstration data to assist a reinforcement learning agent. We apply this approach to robotic manipulation tasks and train end-to-end visuomotor…

Humans are excellent at understanding language and vision to accomplish a wide range of tasks. In contrast, creating general instruction-following embodied agents remains a difficult challenge. Prior work that uses pure language-only models…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Hao Liu , Lisa Lee , Kimin Lee , Pieter Abbeel

In this paper, we present a novel method for mobile manipulators to perform multiple contact-rich manipulation tasks. While learning-based methods have the potential to generate actions in an end-to-end manner, they often suffer from…

Robotics · Computer Science 2023-08-08 Taozheng Yang , Ya Jing , Hongtao Wu , Jiafeng Xu , Kuankuan Sima , Guangzeng Chen , Qie Sima , Tao Kong

Interactive imitation learning is an efficient, model-free method through which a robot can learn a task by repetitively iterating an execution of a learning policy and a data collection by querying human demonstrations. However, deploying…

Robotics · Computer Science 2024-02-22 Hanbit Oh , Takamitsu Matsubara

Reinforcement learning-based control policies have been frequently demonstrated to be more effective than analytical techniques for many manipulation tasks. Commonly, these methods learn neural control policies that predict end-effector…

Robotics · Computer Science 2026-04-22 Hunter L. Brown , Geoffrey Hollinger , Stefan Lee

Recent imitation learning (IL) algorithms such as flow-matching and diffusion policies demonstrate remarkable performance in learning complex manipulation tasks. However, these policies often fail even when operating within their training…

Robotics · Computer Science 2026-05-11 Riad Ahmed , Momotaz Begum

Robotic palpation relies on force sensing, but force signals in soft-tissue environments are variable and cannot reliably reveal subtle subsurface features. We present a compact multimodal sensor that integrates high-resolution vision-based…

Object insertion is a classic contact-rich manipulation task. The task remains challenging, especially when considering general objects of unknown geometry, which significantly limits the ability to understand the contact configuration…

Robotics · Computer Science 2021-04-05 Siyuan Dong , Devesh K. Jha , Diego Romeres , Sangwoon Kim , Daniel Nikovski , Alberto Rodriguez

Tactile sensors provide information that can be used to learn and execute manipulation tasks. Different tasks, however, might require different levels of sensory information; which in turn likely affect learning rates and performance. This…

Robotics · Computer Science 2020-02-07 Romina Mir , Ali Marjaninejad , Francisco J. Valero-Cuevas

Tactile sensors are believed to be essential in robotic manipulation, and prior works often rely on experts to reason the sensor feedback and design a controller. With the recent advancement in data-driven approaches, complicated…

Robotics · Computer Science 2023-05-24 Ya-Yen Tsai , Bidan Huang , Yu Zheng , Lei Han , Wang Wei Lee , Edward Johns

Humans display the remarkable ability to sense the world through tools and other held objects. For example, we are able to pinpoint impact locations on a held rod and tell apart different textures using a rigid probe. In this work, we…

High-resolution optical tactile sensors are increasingly used in robotic learning environments due to their ability to capture large amounts of data directly relating to agent-environment interaction. However, there is a high barrier of…

Robotics · Computer Science 2022-07-28 Yijiong Lin , John Lloyd , Alex Church , Nathan F. Lepora

Long-horizon contact-rich robotic manipulation remains challenging due to partial observability and unstable subtask transitions under contact uncertainty. While hierarchical architectures improve temporal reasoning and bilateral imitation…

Robotics · Computer Science 2026-03-27 Thanpimon Buamanee , Masato Kobayashi , Yuki Uranishi

Executing contact-rich manipulation tasks necessitates the fusion of tactile and visual feedback. However, the distinct nature of these modalities poses significant challenges. In this paper, we introduce a system that leverages visual and…

Robotics · Computer Science 2024-08-01 Ying Yuan , Haichuan Che , Yuzhe Qin , Binghao Huang , Zhao-Heng Yin , Kang-Won Lee , Yi Wu , Soo-Chul Lim , Xiaolong Wang

Tactile sensing is an essential perception for robots to complete dexterous tasks. As a promising tactile sensing technique, vision-based tactile sensors have been developed to improve robot performance in manipulation and grasping. Here we…

Robotics · Computer Science 2022-06-01 Guanlan Zhang , Yipai Du , Hongyu Yu , Michael Yu Wang

When cast into the Deep Reinforcement Learning framework, many robotics tasks require solving a long horizon and sparse reward problem, where learning algorithms struggle. In such context, Imitation Learning (IL) can be a powerful approach…

Artificial Intelligence · Computer Science 2023-04-14 Alexandre Chenu , Nicolas Perrin-Gilbert , Olivier Sigaud

Contact-rich manipulation demands human-like integration of perception and force feedback: vision should guide task progress, while high-frequency interaction control must stabilize contact under uncertainty. Existing learning-based…

Employing skin-like tactile sensors on robots enhances both the safety and usability of collaborative robots by adding the capability to detect human contact. Unfortunately, simple binary tactile sensors alone cannot determine the context…

Robotics · Computer Science 2023-04-20 Christopher Yee Wong , Lucas Vergez , Wael Suleiman

Machine learning is now playing important role in robotic object manipulation. In addition, force control is necessary for manipulating various objects to achieve robustness against perturbations of configurations and stiffness. The…

Robotics · Computer Science 2022-02-14 Sho Sakaino

Achieving successful robotic manipulation is an essential step towards robots being widely used in industry and home settings. Recently, many learning-based methods have been proposed to tackle this challenge, with imitation learning…

Robotics · Computer Science 2023-01-24 Kelin Li , Digby Chappell , Nicolas Rojas