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Recent advancements in machine learning provide methods to train autonomous agents capable of handling the increasing complexity of sequential decision-making in robotics. Imitation Learning (IL) is a prominent approach, where agents learn…

Robotics · Computer Science 2025-05-01 Jonas Werner , Kun Chu , Cornelius Weber , Stefan Wermter

Imitation learning enables autonomous agents to learn from human examples, without the need for a reward signal. Still, if the provided dataset does not encapsulate the task correctly, or when the task is too complex to be modeled, such…

Artificial Intelligence · Computer Science 2024-06-10 Federico Malato , Ville Hautamaki

Interactive Imitation Learning (IIL) is a branch of Imitation Learning (IL) where human feedback is provided intermittently during robot execution allowing an online improvement of the robot's behavior. In recent years, IIL has increasingly…

Imitation learning is a widely used approach for training agents to replicate expert behavior in complex decision-making tasks. However, existing methods often struggle with compounding errors and limited generalization, due to the inherent…

Machine Learning · Computer Science 2025-04-21 Haldun Balim , Yang Hu , Yuyang Zhang , Na Li

Continual Imitation Learning (CiL) involves extracting and accumulating task knowledge from demonstrations across multiple stages and tasks to achieve a multi-task policy. With recent advancements in foundation models, there has been a…

Machine Learning · Computer Science 2025-01-22 Daehee Lee , Minjong Yoo , Woo Kyung Kim , Wonje Choi , Honguk Woo

Acquiring complex behaviors is essential for artificially intelligent agents, yet learning these behaviors in high-dimensional settings poses a significant challenge due to the vast search space. Traditional reinforcement learning (RL)…

Machine Learning · Computer Science 2025-04-22 Mert Albaba , Sammy Christen , Thomas Langarek , Christoph Gebhardt , Otmar Hilliges , Michael J. Black

Policy learning under action constraints plays a central role in ensuring safe behaviors in various robot control and resource allocation applications. In this paper, we study a new problem setting termed Action-Constrained Imitation…

Robotics · Computer Science 2025-08-21 Chia-Han Yeh , Tse-Sheng Nan , Risto Vuorio , Wei Hung , Hung-Yen Wu , Shao-Hua Sun , Ping-Chun Hsieh

Compared to reinforcement learning, imitation learning (IL) is a powerful paradigm for training agents to learn control policies efficiently from expert demonstrations. However, in most cases, obtaining demonstration data is costly and…

Machine Learning · Computer Science 2019-03-20 Naijun Liu , Tao Lu , Yinghao Cai , Boyao Li , Shuo Wang

Imitation learning (IL) algorithms have shown promising results for robots to learn skills from expert demonstrations. However, they need multi-task demonstrations to be provided at once for acquiring diverse skills, which is difficult in…

Robotics · Computer Science 2021-10-19 Chongkai Gao , Haichuan Gao , Shangqi Guo , Tianren Zhang , Feng Chen

Imitation learning (IL) is a framework that learns to imitate expert behavior from demonstrations. Recently, IL shows promising results on high dimensional and control tasks. However, IL typically suffers from sample inefficiency in terms…

Machine Learning · Computer Science 2021-11-24 Lihua Zhang

Imitation learning is the task of replicating expert policy from demonstrations, without access to a reward function. This task becomes particularly challenging when the expert exhibits a mixture of behaviors. Prior work has introduced…

Machine Learning · Computer Science 2022-05-10 Arash Vahabpour , Tianyi Wang , Qiujing Lu , Omead Pooladzandi , Vwani Roychowdhury

Animals are able to imitate each others' behavior, despite their difference in biomechanics. In contrast, imitating the other similar robots is a much more challenging task in robotics. This problem is called cross domain imitation…

Robotics · Computer Science 2021-09-14 Zhao-Heng Yin , Lingfeng Sun , Hengbo Ma , Masayoshi Tomizuka , Wu-Jun Li

Today's robots attempt to learn new tasks by imitating human examples. These robots watch the human complete the task, and then try to match the actions taken by the human expert. However, this standard approach to visual imitation learning…

Compared to traditional imitation learning methods such as DAgger and DART, intervention-based imitation offers a more convenient and sample efficient data collection process to users. In this paper, we introduce Reinforced…

Robotics · Computer Science 2022-03-30 Rom Parnichkun , Matthew N. Dailey , Atsushi Yamashita

While imitation learning (IL) has achieved impressive success in dexterous manipulation through generative modeling and pretraining, state-of-the-art approaches like Vision-Language-Action (VLA) models still struggle with adaptation to…

Robotics · Computer Science 2026-03-31 Renming Huang , Chendong Zeng , Wenjing Tang , Jintian Cai , Cewu Lu , Panpan Cai

We consider the problem of third-person imitation learning with the additional challenge that the learner must select the perspective from which they observe the expert. In our setting, each perspective provides only limited information…

Machine Learning · Computer Science 2023-12-29 Timo Klein , Susanna Weinberger , Adish Singla , Sebastian Tschiatschek

Adversarial Imitation Learning (AIL) is a broad family of imitation learning methods designed to mimic expert behaviors from demonstrations. While AIL has shown state-of-the-art performance on imitation learning with only small number of…

Machine Learning · Computer Science 2020-02-21 Ruohan Wang , Carlo Ciliberto , Pierluigi Amadori , Yiannis Demiris

Inverse Reinforcement Learning (IRL) seeks to infer reward functions from expert demonstrations. When demonstrations originate from multiple experts with different intentions, the problem is known as Multi-Intention IRL (MI-IRL). Recent…

Machine Learning · Computer Science 2026-02-10 Antonio Mone , Frans A. Oliehoek , Luciano Cavalcante Siebert

Imitation learning attracts much attention for its ability to allow robots to quickly learn human manipulation skills through demonstrations. However, in the real world, human demonstrations often exhibit random behavior that is not…

Robotics · Computer Science 2024-07-09 Xizhou Bu , Wenjuan Li , Zhengxiong Liu , Zhiqiang Ma , Panfeng Huang

Imitation learning allows social robots to learn new skills from human teachers without substantial manual programming, but it is difficult for robotic imitation learning systems to generalize demonstrated skills as well as human learners…

Robotics · Computer Science 2022-11-15 Gregory P. Davis , Garrett E. Katz , Rodolphe J. Gentili , James A. Reggia