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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

The deployment of reinforcement learning (RL) in the real world comes with challenges in calibrating user trust and expectations. As a step toward developing RL systems that are able to communicate their competencies, we present a method of…

Machine Learning · Computer Science 2020-11-19 Aastha Acharya , Rebecca Russell , Nisar R. Ahmed

Representation learning is a central challenge across a range of machine learning areas. In reinforcement learning, effective and functional representations have the potential to tremendously accelerate learning progress and solve more…

Machine Learning · Computer Science 2019-01-30 Dibya Ghosh , Abhishek Gupta , Sergey Levine

Robots are extending their presence in domestic environments every day, being more common to see them carrying out tasks in home scenarios. In the future, robots are expected to increasingly perform more complex tasks and, therefore, be…

Artificial Intelligence · Computer Science 2020-09-22 Ithan Moreira , Javier Rivas , Francisco Cruz , Richard Dazeley , Angel Ayala , Bruno Fernandes

Reinforcement learning (RL) algorithms can find an optimal policy for a single agent to accomplish a particular task. However, many real-world problems require multiple agents to collaborate in order to achieve a common goal. For example, a…

Machine Learning · Computer Science 2025-10-20 Jan Corazza , Hadi Partovi Aria , Hyohun Kim , Daniel Neider , Zhe Xu

Training robots to perform complex control tasks from high-dimensional pixel input using reinforcement learning (RL) is sample-inefficient, because image observations are comprised primarily of task-irrelevant information. By contrast,…

Robotics · Computer Science 2024-10-22 Anthony Liang , Jesse Thomason , Erdem Bıyık

The transformation towards intelligence in various industries is creating more demand for intelligent and flexible products. In the field of robotics, learning-based methods are increasingly being applied, with the purpose of training…

Robotics · Computer Science 2022-09-09 Xinjie Liu

In recent years, unmanned aerial vehicle (UAV) related technology has expanded knowledge in the area, bringing to light new problems and challenges that require solutions. Furthermore, because the technology allows processes usually carried…

Artificial Intelligence · Computer Science 2022-12-08 Cristian Millán-Arias , Ruben Contreras , Francisco Cruz , Bruno Fernandes

Reinforcement learning (RL) offers a compelling data-driven paradigm for synthesizing controllers for complex systems when accurate physical models are unavailable; however, most existing control-oriented RL methods assume stationarity and,…

Machine Learning · Computer Science 2026-04-22 Austin Coursey , Abel Diaz-Gonzalez , Marcos Quinones-Grueiro , Gautam Biswas

Reinforcement learning (RL) is crucial for data science decision-making but suffers from sample inefficiency, particularly in real-world scenarios with costly physical interactions. This paper introduces a novel human-inspired framework to…

Machine Learning · Computer Science 2024-03-13 Ali Beikmohammadi , Sindri Magnússon

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

Reinforcement learning (RL) combines a control problem with statistical estimation: The system dynamics are not known to the agent, but can be learned through experience. A recent line of research casts `RL as inference' and suggests a…

Machine Learning · Computer Science 2020-11-05 Brendan O'Donoghue , Ian Osband , Catalin Ionescu

A major challenge in the field of education is providing review schedules that present learned items at appropriate intervals to each student so that memory is retained over time. In recent years, attempts have been made to formulate item…

Artificial Intelligence · Computer Science 2021-08-03 Yoshiki Kubotani , Yoshihiro Fukuhara , Shigeo Morishima

Deep reinforcement learning (deep RL) has achieved superior performance in complex sequential tasks by using deep neural networks as function approximators to learn directly from raw input images. However, learning directly from raw images…

Machine Learning · Computer Science 2019-07-31 Gabriel V. de la Cruz , Yunshu Du , Matthew E. Taylor

We design a simple reinforcement learning (RL) agent that implements an optimistic version of $Q$-learning and establish through regret analysis that this agent can operate with some level of competence in any environment. While we leverage…

Machine Learning · Computer Science 2021-07-13 Shi Dong , Benjamin Van Roy , Zhengyuan Zhou

Reinforcement Learning (RL) algorithms can learn robotic control tasks from visual observations, but they often require a large amount of data, especially when the visual scene is complex and unstructured. In this paper, we explore how the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Ameya Pore , Riccardo Muradore , Diego Dall'Alba

Leveraging offline data is a promising way to improve the sample efficiency of online reinforcement learning (RL). This paper expands the pool of usable data for offline-to-online RL by leveraging abundant non-curated data that is…

Machine Learning · Computer Science 2025-05-20 Yi Zhao , Aidan Scannell , Wenshuai Zhao , Yuxin Hou , Tianyu Cui , Le Chen , Dieter Büchler , Arno Solin , Juho Kannala , Joni Pajarinen

The sample inefficiency of reinforcement learning (RL) remains a significant challenge in robotics. RL requires large-scale simulation and can still cause long training times, slowing research and innovation. This issue is particularly…

Robotics · Computer Science 2026-01-16 Johannes Heeg , Yunlong Song , Davide Scaramuzza

Deep neural network based reinforcement learning (RL) can learn appropriate visual representations for complex tasks like vision-based robotic grasping without the need for manually engineering or prior learning a perception system.…

Robotics · Computer Science 2020-06-17 Kanishka Rao , Chris Harris , Alex Irpan , Sergey Levine , Julian Ibarz , Mohi Khansari

Imitation learning (IL) has achieved considerable success in solving complex sequential decision-making problems. However, current IL methods mainly assume that the environment for learning policies is the same as the environment for…

Machine Learning · Computer Science 2023-10-24 Siyuan Li , Xun Wang , Rongchang Zuo , Kewu Sun , Lingfei Cui , Jishiyu Ding , Peng Liu , Zhe Ma