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Related papers: Generative Adversarial Imitation from Observation

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Imitation learning is the process by which one agent tries to learn how to perform a certain task using information generated by another, often more-expert agent performing that same task. Conventionally, the imitator has access to both…

Robotics · Computer Science 2019-06-20 Faraz Torabi , Garrett Warnell , Peter Stone

The imitation learning research community has recently made significant progress towards the goal of enabling artificial agents to imitate behaviors from video demonstrations alone. However, current state-of-the-art approaches developed for…

Robotics · Computer Science 2022-07-28 Haresh Karnan , Garrett Warnell , Faraz Torabi , Peter Stone

In imitation learning from observation IfO, a learning agent seeks to imitate a demonstrating agent using only observations of the demonstrated behavior without access to the control signals generated by the demonstrator. Recent methods…

Machine Learning · Computer Science 2021-04-02 Faraz Torabi , Garrett Warnell , Peter Stone

Imitation Learning from Observation (IfO) offers a powerful way to learn behaviors at large-scale: Unlike behavior cloning or offline reinforcement learning, IfO can leverage action-free demonstrations and thus circumvents the need for…

Classically, imitation learning algorithms have been developed for idealized situations, e.g., the demonstrations are often required to be collected in the exact same environment and usually include the demonstrator's actions. Recently,…

Machine Learning · Computer Science 2019-06-20 Faraz Torabi , Garrett Warnell , Peter Stone

Imitation from observation (IfO) is a learning paradigm that consists of training autonomous agents in a Markov Decision Process (MDP) by observing expert demonstrations without access to its actions. These demonstrations could be sequences…

Artificial Intelligence · Computer Science 2023-02-14 Medric Sonwa , Johanna Hansen , Eugene Belilovsky

Learning from observation (LfO) aims to imitate experts by learning from state-only demonstrations without requiring action labels. Existing adversarial imitation learning approaches learn a generator agent policy to produce state…

Machine Learning · Computer Science 2024-10-10 Bo-Ruei Huang , Chun-Kai Yang , Chun-Mao Lai , Dai-Jie Wu , Shao-Hua Sun

We examine the problem of transferring a policy learned in a source environment to a target environment with different dynamics, particularly in the case where it is critical to reduce the amount of interaction with the target environment…

Artificial Intelligence · Computer Science 2021-01-26 Siddharth Desai , Ishan Durugkar , Haresh Karnan , Garrett Warnell , Josiah Hanna , Peter Stone

Imitation Learning (IL) algorithms offer an efficient way to train an agent by mimicking an expert's behavior without requiring a reward function. IL algorithms often necessitate access to state and action information from expert…

Machine Learning · Computer Science 2025-09-25 Returaj Burnwal , Hriday Mehta , Nirav Pravinbhai Bhatt , Balaraman Ravindran

This paper studies Learning from Observations (LfO) for imitation learning with access to state-only demonstrations. In contrast to Learning from Demonstration (LfD) that involves both action and state supervision, LfO is more practical in…

Machine Learning · Computer Science 2019-11-19 Chao Yang , Xiaojian Ma , Wenbing Huang , Fuchun Sun , Huaping Liu , Junzhou Huang , Chuang Gan

State-of-the-art imitation learning from observation methods (ILfO) have recently made significant progress, but they still have some limitations: they need action-based supervised optimisation, assume that states have a single optimal…

Machine Learning · Computer Science 2026-01-27 Nathan Gavenski , Matteo Leonetti , Odinaldo Rodrigues

Learning from demonstrations is a useful way to transfer a skill from one agent to another. While most imitation learning methods aim to mimic an expert skill by following the demonstration step-by-step, imitating every step in the…

Robotics · Computer Science 2019-12-18 Youngwoon Lee , Edward S. Hu , Zhengyu Yang , Joseph J. Lim

Imitation from observation is the framework of learning tasks by observing demonstrated state-only trajectories. Recently, adversarial approaches have achieved significant performance improvements over other methods for imitating complex…

Machine Learning · Computer Science 2019-06-19 Faraz Torabi , Sean Geiger , Garrett Warnell , Peter Stone

Imitation Learning from Observation (ILfO) is a setting in which a learner tries to imitate the behavior of an expert, using only observational data and without the direct guidance of demonstrated actions. In this paper, we re-examine…

Robotics · Computer Science 2024-10-07 Wei-Di Chang , Scott Fujimoto , David Meger , Gregory Dudek

Imitation from observation is a computational technique that teaches an agent on how to mimic the behavior of an expert by observing only the sequence of states from the expert demonstrations. Recent approaches learn the inverse dynamics of…

Artificial Intelligence · Computer Science 2020-04-29 Juarez Monteiro , Nathan Gavenski , Roger Granada , Felipe Meneguzzi , Rodrigo Barros

We focus on the problem of imitation learning from visual observations, where the learning agent has access to videos of experts as its sole learning source. The challenges of this framework include the absence of expert actions and the…

Machine Learning · Computer Science 2024-05-27 Vittorio Giammarino , James Queeney , Ioannis Ch. Paschalidis

Humans often learn how to perform tasks via imitation: they observe others perform a task, and then very quickly infer the appropriate actions to take based on their observations. While extending this paradigm to autonomous agents is a…

Artificial Intelligence · Computer Science 2018-05-15 Faraz Torabi , Garrett Warnell , Peter Stone

Imitation learning is an effective approach for autonomous systems to acquire control policies when an explicit reward function is unavailable, using supervision provided as demonstrations from an expert, typically a human operator.…

Machine Learning · Computer Science 2018-06-20 YuXuan Liu , Abhishek Gupta , Pieter Abbeel , Sergey Levine

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

Learning from Observations (LfO) is a practical reinforcement learning scenario from which many applications can benefit through the reuse of incomplete resources. Compared to conventional imitation learning (IL), LfO is more challenging…

Machine Learning · Computer Science 2021-03-01 Zhuangdi Zhu , Kaixiang Lin , Bo Dai , Jiayu Zhou
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