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Related papers: Co-Imitation Learning without Expert Demonstration

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We introduce Correspondence-Oriented Imitation Learning (COIL), a conditional policy learning framework for visuomotor control with a flexible task representation in 3D. At the core of our approach, each task is defined by the intended…

Robotics · Computer Science 2025-12-08 Yunhao Cao , Zubin Bhaumik , Jessie Jia , Xingyi He , Kuan Fang

The goal of imitation learning is to mimic expert behavior from demonstrations, without access to an explicit reward signal. A popular class of approach infers the (unknown) reward function via inverse reinforcement learning (IRL) followed…

Machine Learning · Computer Science 2022-04-19 Carl Qi , Pieter Abbeel , Aditya Grover

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

Some imitation learning methods combine behavioural cloning with self-supervision to infer actions from state pairs. However, most rely on a large number of expert trajectories to increase generalisation and human intervention to capture…

Machine Learning · Computer Science 2024-07-23 Nathan Gavenski , Juarez Monteiro , Felipe Meneguzzi , Michael Luck , Odinaldo Rodrigues

In Imitation Learning (IL), utilizing suboptimal and heterogeneous demonstrations presents a substantial challenge due to the varied nature of real-world data. However, standard IL algorithms consider these datasets as homogeneous, thereby…

Machine Learning · Computer Science 2024-12-16 Mark Beliaev , Ramtin Pedarsani

Mixed cooperative-competitive control scenarios such as human-machine interaction with individual goals of the interacting partners are very challenging for reinforcement learning agents. In order to contribute towards intuitive…

Systems and Control · Electrical Eng. & Systems 2020-03-03 Florian Köpf , Alexander Nitsch , Michael Flad , Sören Hohmann

Social learning is a key component of human and animal intelligence. By taking cues from the behavior of experts in their environment, social learners can acquire sophisticated behavior and rapidly adapt to new circumstances. This paper…

Machine Learning · Computer Science 2021-06-24 Kamal Ndousse , Douglas Eck , Sergey Levine , Natasha Jaques

Often times in imitation learning (IL), the environment we collect expert demonstrations in and the environment we want to deploy our learned policy in aren't exactly the same (e.g. demonstrations collected in simulation but deployment in…

Neural and Evolutionary Computing · Computer Science 2024-06-19 Silvia Sapora , Gokul Swamy , Chris Lu , Yee Whye Teh , Jakob Nicolaus Foerster

We study Imitation Learning (IL) from Observations alone (ILFO) in large-scale MDPs. While most IL algorithms rely on an expert to directly provide actions to the learner, in this setting the expert only supplies sequences of observations.…

Machine Learning · Computer Science 2019-06-12 Wen Sun , Anirudh Vemula , Byron Boots , J. Andrew Bagnell

In robotic manipulation, acquiring samples is extremely expensive because it often requires interacting with the real world. Traditional image-level data augmentation has shown the potential to improve sample efficiency in various machine…

Robotics · Computer Science 2022-11-02 Mingxi Jia , Dian Wang , Guanang Su , David Klee , Xupeng Zhu , Robin Walters , Robert Platt

End-to-end autonomous driving models trained solely with imitation learning (IL) often suffer from poor generalization. In contrast, reinforcement learning (RL) promotes exploration through reward maximization but faces challenges such as…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Xiaoji Zheng , Ziyuan Yang , Yanhao Chen , Yuhang Peng , Yuanrong Tang , Gengyuan Liu , Bokui Chen , Jiangtao Gong

Learning to perform tasks by leveraging a dataset of expert observations, also known as imitation learning from observations (ILO), is an important paradigm for learning skills without access to the expert reward function or the expert…

Machine Learning · Computer Science 2022-04-26 Tanmay Gangwani , Yuan Zhou , Jian Peng

Active learning (AL) is a learning paradigm where an active learner has to train a model (e.g., a classifier) which is in principal trained in a supervised way, but in AL it has to be done by means of a data set with initially unlabeled…

Machine Learning · Computer Science 2015-12-23 Adrian Calma , Tobias Reitmaier , Bernhard Sick , Paul Lukowicz , Mark Embrechts

Imitation learning is an effective alternative approach to learn a policy when the reward function is sparse. In this paper, we consider a challenging setting where an agent and an expert use different actions from each other. We assume…

Machine Learning · Computer Science 2019-08-27 Konrad Zolna , Negar Rostamzadeh , Yoshua Bengio , Sungjin Ahn , Pedro O. Pinheiro

Imitation learning is a proven method for creating a policy in the absence of rewards, by leveraging expert demonstrations. In this work, we apply imitation learning to conversation. In doing so, we recover a policy capable of talking to a…

Computation and Language · Computer Science 2025-08-19 Noah Kasmanoff , Rahul Zalkikar

Demonstrations are an effective alternative to task specification for learning agents in settings where designing a reward function is difficult. However, demonstrating expert behavior in the action space of the agent becomes unwieldy when…

Machine Learning · Computer Science 2024-09-23 Harshit Sikchi , Caleb Chuck , Amy Zhang , Scott Niekum

Learning-based approaches, such as reinforcement learning (RL) and imitation learning (IL), have indicated superiority over rule-based approaches in complex urban autonomous driving environments, showing great potential to make intelligent…

Robotics · Computer Science 2022-05-31 Haochen Liu , Zhiyu Huang , Jingda Wu , Chen Lv

This article studies inverse reinforcement learning (IRL) for the stochastic linear-quadratic optimal control problem, where two agents are considered. A learner agent does not know the expert agent's performance cost function, but it…

Optimization and Control · Mathematics 2024-05-28 Zhongshi Sun , Guangyan Jia

Imitation learning (IL) has proven to be an effective method for learning good policies from expert demonstrations. Adversarial imitation learning (AIL), a subset of IL methods, is particularly promising, but its theoretical foundation in…

Machine Learning · Computer Science 2023-06-14 Tian Xu , Ziniu Li , Yang Yu , Zhi-Quan Luo

We consider the Imitation Learning (IL) setup where expert data are not collected on the actual deployment environment but on a different version. To address the resulting distribution shift, we combine behavior cloning (BC) with a planner…