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Imitation learning from observation (LfO) is more preferable than imitation learning from demonstration (LfD) due to the nonnecessity of expert actions when reconstructing the expert policy from the expert data. However, previous studies…

Robotics · Computer Science 2020-10-19 Zhihao Cheng , Liu Liu , Aishan Liu , Hao Sun , Meng Fang , Dacheng Tao

In this work, we develop an open-source surgical simulation environment that includes a realistic model obtained by MRI-scanning a physical phantom, for the purpose of training and evaluating a Learning from Demonstration (LfD) algorithm…

Robotics · Computer Science 2025-02-03 Haoying Zhou , Yiwei Jiang , Shang Gao , Shiyue Wang , Peter Kazanzides , Gregory S. Fischer

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

Learning from Demonstration (LfD) is a popular approach for robots to acquire new skills, but most LfD methods suffer from imperfections in human demonstrations. Prior work typically treats these suboptimalities as random noise. In this…

Robotics · Computer Science 2025-12-18 Shijie Fang , Hang Yu , Qidi Fang , Reuben M. Aronson , Elaine S. Short

Learning from Demonstrations (LfD) allows robots to learn skills from human users, but its effectiveness can suffer due to sub-optimal teaching, especially from untrained demonstrators. Active LfD aims to improve this by letting robots…

Robotics · Computer Science 2025-03-05 Muhan Hou , Koen Hindriks , A. E. Eiben , Kim Baraka

Generating context-adaptive manipulation and grasping actions is a challenging problem in robotics. Classical planning and control algorithms tend to be inflexible with regard to parameterization by external variables such as object shapes.…

Robotics · Computer Science 2024-11-01 Tim R. Winter , Ashok M. Sundaram , Werner Friedl , Maximo A. Roa , Freek Stulp , João Silvério

Learning from Demonstration (LfD) is a promising approach to enable Multi-Robot Systems (MRS) to acquire complex skills and behaviors. However, the intricate interactions and coordination challenges in MRS pose significant hurdles for…

Robotics · Computer Science 2024-04-04 Vishnunandan L. N. Venkatesh , Byung-Cheol Min

Collaborative robots are expected to be able to work alongside humans and in some cases directly replace existing human workers, thus effectively responding to rapid assembly line changes. Current methods for programming contact-rich tasks,…

Teaching an anthropomorphic robot from human example offers the opportunity to impart humanlike qualities on its movement. In this work we present a reinforcement learning based method for teaching a real world bipedal robot to perform…

Automating robotic surgery via learning from demonstration (LfD) techniques is extremely challenging. This is because surgical tasks often involve sequential decision-making processes with complex interactions of physical objects and have…

Robotics · Computer Science 2024-10-11 Zohre Karimi , Shing-Hei Ho , Bao Thach , Alan Kuntz , Daniel S. Brown

For assistive robots and virtual agents to achieve ubiquity, machines will need to anticipate the needs of their human counterparts. The field of Learning from Demonstration (LfD) has sought to enable machines to infer predictive models of…

Machine Learning · Computer Science 2019-03-15 Rohan Paleja , Matthew Gombolay

Programming by demonstration has recently gained much attention due to its user-friendly and natural way to transfer human skills to robots. In order to facilitate the learning of multiple demonstrations and meanwhile generalize to new…

Robotics · Computer Science 2018-03-06 Yanlong Huang , João Silvério , Leonel Rozo , Darwin G. Caldwell

This paper presents DFL-TORO, a novel Demonstration Framework for Learning Time-Optimal Robotic tasks via One-shot kinesthetic demonstration. It aims at optimizing the process of Learning from Demonstration (LfD), applied in the…

Robotics · Computer Science 2024-08-12 Alireza Barekatain , Hamed Habibi , Holger Voos

Learning from Demonstration (LfD) stands as an efficient framework for imparting human-like skills to robots. Nevertheless, designing an LfD framework capable of seamlessly imitating, generalizing, and reacting to disturbances for…

Robotics · Computer Science 2024-06-25 Yan Zhang , Teng Xue , Amirreza Razmjoo , Sylvain Calinon

Reinforcement learning (RL) algorithms face significant challenges when dealing with long-horizon robot manipulation tasks in real-world environments due to sample inefficiency and safety issues. To overcome these challenges, we propose a…

Robotics · Computer Science 2023-08-03 Ayano Hiranaka , Minjune Hwang , Sharon Lee , Chen Wang , Li Fei-Fei , Jiajun Wu , Ruohan Zhang

The goal of programmatic Learning from Demonstration (LfD) is to learn a policy in a programming language that can be used to control a robot's behavior from a set of user demonstrations. This paper presents a new programmatic LfD algorithm…

Programming Languages · Computer Science 2023-11-16 Noah Patton , Kia Rahmani , Meghana Missula , Joydeep Biswas , Işil Dillig

In many contact-rich tasks, force sensing plays an essential role in adapting the motion to the physical properties of the manipulated object. To enable robots to capture the underlying distribution of object properties necessary for…

Robotics · Computer Science 2023-09-12 Marina Y. Aoyama , João Moura , Namiko Saito , Sethu Vijayakumar

Reinforcement learning often suffer from the sparse reward issue in real-world robotics problems. Learning from demonstration (LfD) is an effective way to eliminate this problem, which leverages collected expert data to aid online learning.…

Robotics · Computer Science 2023-03-09 Yanjiang Guo , Jingyue Gao , Zheng Wu , Chengming Shi , Jianyu Chen

Learning from Demonstration (LfD) is a widely used technique for skill acquisition in robotics. However, demonstrations of the same skill may exhibit significant variances, or learning systems may attempt to acquire different means of the…

Robotics · Computer Science 2024-10-28 Yigit Yildirim , Emre Ugur

This paper presents a novel model-free method for humanoid-robot quasi-static movement control. Traditional model-based methods often require precise robot model parameters. Additionally, existing learning-based frameworks often train the…

Robotics · Computer Science 2023-03-01 Boren Jiang , Ximeng Tao , Yuanfeng Han , Wanze Li , Gregory S. Chirikjian