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High-quality and representative data is essential for both Imitation Learning (IL)- and Reinforcement Learning (RL)-based motion planning tasks. For real robots, it is challenging to collect enough qualified data either as demonstrations…

Robotics · Computer Science 2023-06-13 Sha Luo , Lambert Schomaker

Pre-training on large datasets of robot demonstrations is a powerful technique for learning diverse manipulation skills but is often limited by the high cost and complexity of collecting robot-centric data, especially for tasks requiring…

Robot-assisted dressing could profoundly enhance the quality of life of adults with physical disabilities. To achieve this, a robot can benefit from both visual and force sensing. The former enables the robot to ascertain human body pose…

Robotics · Computer Science 2024-04-25 Zhanyi Sun , Yufei Wang , David Held , Zackory Erickson

For humans, the process of grasping an object relies heavily on rich tactile feedback. Most recent robotic grasping work, however, has been based only on visual input, and thus cannot easily benefit from feedback after initiating contact.…

Learning from human demonstration is an effective approach for learning complex manipulation skills. However, existing approaches heavily focus on learning from passive human demonstration data for its simplicity in data collection.…

Robotics · Computer Science 2025-03-12 Philipp Wu , Yide Shentu , Qiayuan Liao , Ding Jin , Menglong Guo , Koushil Sreenath , Xingyu Lin , Pieter Abbeel

Sensor fusion is critical to perception systems for task domains such as autonomous driving and robotics. Recently, the Transformer integrated with CNN has demonstrated high performance in sensor fusion for various perception tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Quoc-Vinh Lai-Dang , Jihui Lee , Bumgeun Park , Dongsoo Har

Choosing an appropriate representation of the environment for the underlying decision-making process of the reinforcement learning agent is not always straightforward. The state representation should be inclusive enough to allow the agent…

The robot learning community has made great strides in recent years, proposing new architectures and showcasing impressive new capabilities; however, the dominant metric used in the literature, especially for physical experiments, is…

Whether future AI models are fair, trustworthy, and aligned with the public's interests rests in part on our ability to collect accurate data about what we want the models to do. However, collecting high-quality data is difficult, and few…

Human-Computer Interaction · Computer Science 2024-07-23 Stephanie Eckman , Barbara Plank , Frauke Kreuter

Overall, in any system, the proportional term, integral term, and derivative term combined to produce a fast response time, less overshoot, no oscillations, increased stability, and no steady-state errors. Eliminating the steady state…

Transfer Learning (TL) is a powerful tool that enables robots to transfer learned policies across different environments, tasks, or embodiments. To further facilitate this process, efforts have been made to combine it with Learning from…

Robotics · Computer Science 2025-03-18 Muhan Hou , Koen Hindriks , A. E. Eiben , Kim Baraka

In-context learning has shown great success in i.i.d semantic parsing splits, where the training and test sets are drawn from the same distribution. In this setup, models are typically prompted with demonstrations that are similar to the…

Computation and Language · Computer Science 2023-06-27 Itay Levy , Ben Bogin , Jonathan Berant

Data collection in imitation learning often requires significant, laborious human supervision, such as numerous demonstrations, and/or frequent environment resets for methods that incorporate reinforcement learning. In this work, we propose…

Robotics · Computer Science 2024-10-28 Georgios Papagiannis , Edward Johns

Autonomous learning of object manipulation skills can enable robots to acquire rich behavioral repertoires that scale to the variety of objects found in the real world. However, current motion skill learning methods typically restrict the…

Robotics · Computer Science 2015-02-27 Sergey Levine , Nolan Wagener , Pieter Abbeel

The current work on reinforcement learning (RL) from demonstrations often assumes the demonstrations are samples from an optimal policy, an unrealistic assumption in practice. When demonstrations are generated by sub-optimal policies or…

Machine Learning · Computer Science 2022-05-24 Yu Wang , Fang Liu

Classical policy search algorithms for robotics typically require performing extensive explorations, which are time-consuming and expensive to implement with real physical platforms. To facilitate the efficient learning of robot…

Robotics · Computer Science 2023-04-25 Shengzeng Huo , Anqing Duan , Lijun Han , Luyin Hu , Hesheng Wang , David Navarro-Alarcon

Imitation learning offers a promising path for robots to learn general-purpose behaviors, but traditionally has exhibited limited scalability due to high data supervision requirements and brittle generalization. Inspired by recent advances…

Machine Learning · Computer Science 2022-11-16 Soroush Nasiriany , Tian Gao , Ajay Mandlekar , Yuke Zhu

We introduce a simple new method for visual imitation learning, which allows a novel robot manipulation task to be learned from a single human demonstration, without requiring any prior knowledge of the object being interacted with. Our…

Robotics · Computer Science 2021-06-11 Edward Johns

Learning from demonstration (LfD) techniques seek to enable novice users to teach robots novel tasks in the real world. However, prior work has shown that robot-centric LfD approaches, such as Dataset Aggregation (DAgger), do not perform…

Robotics · Computer Science 2021-10-08 Mariah L. Schrum , Erin Hedlund , Matthew C. Gombolay

Robots could learn their own state and world representation from perception and experience without supervision. This desirable goal is the main focus of our field of interest, state representation learning (SRL). Indeed, a compact…

Machine Learning · Computer Science 2021-09-28 Astrid Merckling , Alexandre Coninx , Loic Cressot , Stéphane Doncieux , Nicolas Perrin-Gilbert