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To obtain better value estimation in reinforcement learning, we propose a novel algorithm based on the double actor-critic framework with temporal difference error-driven regularization, abbreviated as TDDR. TDDR employs double actors, with…

Machine Learning · Computer Science 2024-10-01 Haohui Chen , Zhiyong Chen , Aoxiang Liu , Wentuo Fang

Entropy regularization is an important idea in reinforcement learning, with great success in recent algorithms like Soft Q Network (SQN) and Soft Actor-Critic (SAC1). In this work, we extend this idea into the on-policy realm. We propose…

Machine Learning · Computer Science 2020-10-19 Jingbin Liu , Xinyang Gu , Shuai Liu

Recently, deep reinforcement learning (DRL) methods have achieved impressive performance on tasks in a variety of domains. However, neural network policies produced with DRL methods are not human-interpretable and often have difficulty…

Machine Learning · Computer Science 2022-02-02 Dweep Trivedi , Jesse Zhang , Shao-Hua Sun , Joseph J. Lim

Policy gradient methods have become popular in multi-agent reinforcement learning, but they suffer from high variance due to the presence of environmental stochasticity and exploring agents (i.e., non-stationarity), which is potentially…

Machine Learning · Computer Science 2021-12-21 Yuchen Xiao , Xueguang Lyu , Christopher Amato

Efficient radio packet scheduling remains one of the most challenging tasks in cellular networks, and while heuristic methods exist, practical deep learning-based schedulers that are 3GPP-compliant and capable of real-time operation in 5G…

Signal Processing · Electrical Eng. & Systems 2025-10-10 Petteri Kela , Bryan Liu , Alvaro Valcarce

In distributed optimization, the practical problem-solving performance is essentially sensitive to algorithm selection, parameter setting, problem type and data pattern. Thus, it is often laborious to acquire a highly efficient method for a…

Optimization and Control · Mathematics 2024-01-04 Daokuan Zhu , Tianqi Xu , Jie Lu

Unsupervised skill discovery aims to learn diverse and distinguishable behaviors in open-ended reinforcement learning. For existing methods, they focus on improving diversity through pure exploration, mutual information optimization, and…

Machine Learning · Computer Science 2025-06-27 He Zhang , Ming Zhou , Shaopeng Zhai , Ying Sun , Hui Xiong

Supervised regression to demonstrations has been demonstrated to be a stable way to train deep policy networks. We are motivated to study how we can take full advantage of supervised loss functions for stably training deep reinforcement…

Machine Learning · Computer Science 2021-06-11 Daochen Zha , Kwei-Herng Lai , Kaixiong Zhou , Xia Hu

Evolutionary algorithms have been used to evolve a population of actors to generate diverse experiences for training reinforcement learning agents, which helps to tackle the temporal credit assignment problem and improves the exploration…

Neural and Evolutionary Computing · Computer Science 2023-04-21 Chengpeng Hu , Jiyuan Pei , Jialin Liu , Xin Yao

During recent years, deep reinforcement learning (DRL) has made successful incursions into complex decision-making applications such as robotics, autonomous driving or video games. Off-policy algorithms tend to be more sample-efficient than…

Machine Learning · Computer Science 2021-12-06 Jesus Bujalance Martin , Raphael Chekroun , Fabien Moutarde

Deep reinforcement learning (RL) methods have significant potential for dialogue policy optimisation. However, they suffer from a poor performance in the early stages of learning. This is especially problematic for on-line learning with…

Computation and Language · Computer Science 2017-07-06 Pei-Hao Su , Pawel Budzianowski , Stefan Ultes , Milica Gasic , Steve Young

Meta-Reinforcement Learning addresses the critical limitations of conventional Reinforcement Learning in multi-task and non-stationary environments by enabling fast policy adaptation and improved generalization. We introduce a novel Meta-RL…

Machine Learning · Computer Science 2026-03-10 Théo Zangato , Aomar Osmani , Pegah Alizadeh

This paper presents a novel deep reinforcement learning-based resource allocation technique for the multi-agent environment presented by a cognitive radio network that coexists through underlay dynamic spectrum access (DSA) with a primary…

Networking and Internet Architecture · Computer Science 2020-03-09 Ankita Tondwalkar , Dr Andres Kwasinski

Distributional reinforcement learning (DRL) is a recent reinforcement learning framework whose success has been supported by various empirical studies. It relies on the key idea of replacing the expected return with the return distribution,…

Machine Learning · Computer Science 2020-01-09 Rahul Singh , Keuntaek Lee , Yongxin Chen

Federated reinforcement learning (FRL) has emerged as a promising paradigm for reducing the sample complexity of reinforcement learning tasks by exploiting information from different agents. However, when each agent interacts with a…

Machine Learning · Computer Science 2024-04-16 Chenyu Zhang , Han Wang , Aritra Mitra , James Anderson

Skill Incremental Learning (SIL) is the process by which an embodied agent expands and refines its skill set over time by leveraging experience gained through interaction with its environment or by the integration of additional data. SIL…

Machine Learning · Computer Science 2026-01-15 Daehee Lee , Dongsu Lee , TaeYoon Kwack , Wonje Choi , Honguk Woo

Distributed Deep Reinforcement Learning (DRL) aims to leverage more computational resources to train autonomous agents with less training time. Despite recent progress in the field, reproducibility issues have not been sufficiently…

Machine Learning · Computer Science 2023-10-03 Shengyi Huang , Jiayi Weng , Rujikorn Charakorn , Min Lin , Zhongwen Xu , Santiago Ontañón

Deep reinforcement learning (DRL) algorithms and evolution strategies (ES) have been applied to various tasks, showing excellent performances. These have the opposite properties, with DRL having good sample efficiency and poor stability,…

Machine Learning · Computer Science 2021-04-06 Kyunghyun Lee , Byeong-Uk Lee , Ukcheol Shin , In So Kweon

Merging into the highway from the on-ramp is an essential scenario for automated driving. The decision-making under the scenario needs to balance the safety and efficiency performance to optimize a long-term objective, which is challenging…

Robotics · Computer Science 2021-03-09 Yiting Kong , Yang Guan , Jingliang Duan , Shengbo Eben Li , Qi Sun , Bingbing Nie

In this paper, we propose a new reinforcement learning (RL) algorithm, called encoding distributional soft actor-critic (E-DSAC), for decision-making in autonomous driving. Unlike existing RL-based decision-making methods, E-DSAC is…

Robotics · Computer Science 2021-09-14 Jingliang Duan , Yangang Ren , Fawang Zhang , Yang Guan , Dongjie Yu , Shengbo Eben Li , Bo Cheng , Lin Zhao