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Flocking control is a significant problem in multi-agent systems such as multi-agent unmanned aerial vehicles and multi-agent autonomous underwater vehicles, which enhances the cooperativity and safety of agents. In contrast to traditional…

Machine Learning · Computer Science 2022-09-20 Yunbo Qiu , Yuzhu Zhan , Yue Jin , Jian Wang , Xudong Zhang

The deployment of multi-agent systems in dynamic, adversarial environments like robotic soccer necessitates real-time decision-making, sophisticated cooperation, and scalable algorithms to avoid the curse of dimensionality. While…

Robotics · Computer Science 2025-12-04 Aya Taourirte , Md Sohag Mia

Multi-agent reinforcement learning (MARL) algorithms have made promising progress in recent years by leveraging the centralized training and decentralized execution (CTDE) paradigm. However, existing MARL algorithms still suffer from the…

Machine Learning · Computer Science 2021-10-20 Xiao Ma , Wu-Jun Li

Experience replay is a key component in reinforcement learning for stabilizing learning and improving sample efficiency. Its typical implementation samples transitions with replacement from a replay buffer. In contrast, in supervised…

Machine Learning · Computer Science 2025-12-05 Yasuhiro Fujita

Multi-agent reinforcement learning for incomplete information environments has attracted extensive attention from researchers. However, due to the slow sample collection and poor sample exploration, there are still some problems in…

Artificial Intelligence · Computer Science 2022-05-12 Shuhan Qi , Shuhao Zhang , Xiaohan Hou , Jiajia Zhang , Xuan Wang , Jing Xiao

A challenge in reinforcement learning (RL) is minimizing the cost of sampling associated with exploration. Distributed exploration reduces sampling complexity in multi-agent RL (MARL). We investigate the benefits to performance in MARL when…

Machine Learning · Computer Science 2022-05-03 Justin Lidard , Udari Madhushani , Naomi Ehrich Leonard

Deep reinforcement learning (DRL) is a promising approach for adaptive robot control, but its current application to robotics is currently hindered by high sample requirements. We propose two novel data augmentation techniques for DRL in…

Artificial Intelligence · Computer Science 2019-11-18 Yijiong Lin , Jiancong Huang , Matthieu Zimmer , Juan Rojas , Paul Weng

Goal-conditioned reinforcement learning (GCRL) has a wide range of potential real-world applications, including manipulation and navigation problems in robotics. Especially in such robotics tasks, sample efficiency is of the utmost…

Machine Learning · Computer Science 2023-01-23 Bo Liu , Yihao Feng , Qiang Liu , Peter Stone

Reinforcement Learning (RL) has achieved significant success in application domains such as robotics, games and health care. However, training RL agents is very time consuming. Current implementations exhibit poor performance due to…

Machine Learning · Computer Science 2021-12-24 Chi Zhang , Sanmukh Rao Kuppannagari , Viktor K Prasanna

Reinforcement learning (RL) methods with a high replay ratio (RR) and regularization have gained interest due to their superior sample efficiency. However, these methods have mainly been developed for dense-reward tasks. In this paper, we…

Machine Learning · Computer Science 2023-12-12 Takuya Hiraoka

Model-based reinforcement learning (RL), which finds an optimal policy using an empirical model, has long been recognized as one of the corner stones of RL. It is especially suitable for multi-agent RL (MARL), as it naturally decouples the…

Machine Learning · Computer Science 2023-08-10 Kaiqing Zhang , Sham M. Kakade , Tamer Başar , Lin F. Yang

Model-free reinforcement learning (RL) requires a large number of trials to learn a good policy, especially in environments with sparse rewards. We explore a method to improve the sample efficiency when we have access to demonstrations. Our…

Machine Learning · Computer Science 2022-04-22 Cinjon Resnick , Roberta Raileanu , Sanyam Kapoor , Alexander Peysakhovich , Kyunghyun Cho , Joan Bruna

Sampled environment transitions are a critical input to deep reinforcement learning (DRL) algorithms. Current DRL benchmarks often allow for the cheap and easy generation of large amounts of samples such that perceived progress in DRL does…

Machine Learning · Computer Science 2021-02-10 Florian E. Dorner

Experience replay is one of the most commonly used approaches to improve the sample efficiency of reinforcement learning algorithms. In this work, we propose an approach to select and replay sequences of transitions in order to accelerate…

Artificial Intelligence · Computer Science 2022-09-29 Thommen George Karimpanal , Roland Bouffanais

In Reinforcement Learning (RL), enhancing sample efficiency is crucial, particularly in scenarios when data acquisition is costly and risky. In principle, off-policy RL algorithms can improve sample efficiency by allowing multiple updates…

Machine Learning · Computer Science 2023-12-13 Hojoon Lee , Hanseul Cho , Hyunseung Kim , Daehoon Gwak , Joonkee Kim , Jaegul Choo , Se-Young Yun , Chulhee Yun

Reinforcement Learning (RL) is a potent tool for sequential decision-making and has achieved performance surpassing human capabilities across many challenging real-world tasks. As the extension of RL in the multi-agent system domain,…

Artificial Intelligence · Computer Science 2024-08-20 Ruiqi Zhang , Jing Hou , Florian Walter , Shangding Gu , Jiayi Guan , Florian Röhrbein , Yali Du , Panpan Cai , Guang Chen , Alois Knoll

The aim of multi-task reinforcement learning is two-fold: (1) efficiently learn by training against multiple tasks and (2) quickly adapt, using limited samples, to a variety of new tasks. In this work, the tasks correspond to reward…

Machine Learning · Computer Science 2019-11-05 Nicholas C. Landolfi , Garrett Thomas , Tengyu Ma

Continual learning (CL) is a major challenge of machine learning (ML) and describes the ability to learn several tasks sequentially without catastrophic forgetting (CF). Recent works indicate that CL is a complex topic, even more so when…

Machine Learning · Computer Science 2022-06-09 Benedikt Bagus , Alexander Gepperth

Reinforcement learning (RL) is a sub-domain of machine learning, mainly concerned with solving sequential decision-making problems by a learning agent that interacts with the decision environment to improve its behavior through the reward…

Machine Learning · Computer Science 2025-09-23 Hossein Hassani , Ehsan Hallaji , Roozbeh Razavi-Far , Mehrdad Saif , Liang Lin

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