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Reinforcement Learning (RL) enables an intelligent agent to optimise its performance in a task by continuously taking action from an observed state and receiving a feedback from the environment in form of rewards. RL typically uses tables…

人工智能 · 计算机科学 2025-01-28 Alberto Castagna

Deep reinforcement-learning methods have achieved remarkable performance on challenging control tasks. Observations of the resulting behavior give the impression that the agent has constructed a generalized representation that supports…

机器学习 · 计算机科学 2018-12-12 Sam Witty , Jun Ki Lee , Emma Tosch , Akanksha Atrey , Michael Littman , David Jensen

Aligning generative diffusion models with human preferences via reinforcement learning (RL) is critical yet challenging. Most existing algorithms are often vulnerable to reward hacking, such as quality degradation, over-stylization, or…

Regularization plays a vital role in the context of deep learning by preventing deep neural networks from the danger of overfitting. This paper proposes a novel deep learning regularization method named as DL-Reg, which carefully reduces…

机器学习 · 计算机科学 2020-11-05 Maryam Dialameh , Ali Hamzeh , Hossein Rahmani

In this paper, a novel training paradigm inspired by quantum computation is proposed for deep reinforcement learning (DRL) with experience replay. In contrast to traditional experience replay mechanism in DRL, the proposed deep…

机器学习 · 计算机科学 2021-01-07 Qing Wei , Hailan Ma , Chunlin Chen , Daoyi Dong

Despite overparameterization, deep networks trained via supervised learning are easy to optimize and exhibit excellent generalization. One hypothesis to explain this is that overparameterized deep networks enjoy the benefits of implicit…

机器学习 · 计算机科学 2021-12-10 Aviral Kumar , Rishabh Agarwal , Tengyu Ma , Aaron Courville , George Tucker , Sergey Levine

Deep reinforcement learning (RL) algorithms can learn complex policies to optimize agent operation over time. RL algorithms have shown promising results in solving complicated problems in recent years. However, their application on…

机器学习 · 计算机科学 2021-09-29 Hamed Khorasgani , Haiyan Wang , Chetan Gupta , Susumu Serita

This paper proposes a new optimization objective for value-based deep reinforcement learning. We extend conventional Deep Q-Networks (DQNs) by adding a model-learning component yielding a transcoder network. The prediction errors for the…

机器学习 · 计算机科学 2018-11-21 Felix Leibfried , Peter Vrancx

Hierarchical reinforcement learning (HRL) has the potential to solve complex long horizon tasks using temporal abstraction and increased exploration. However, hierarchical agents are difficult to train due to inherent non-stationarity. We…

机器学习 · 计算机科学 2025-02-11 Utsav Singh , Vinay P. Namboodiri

Embodied agents, such as robots and virtual characters, must continuously select actions to execute tasks effectively, solving complex sequential decision-making problems. Given the difficulty of designing such controllers manually,…

机器人学 · 计算机科学 2026-05-18 Pedro Santana

Deep reinforcement learning (DRL) has achieved significant breakthroughs in various tasks. However, most DRL algorithms suffer a problem of generalizing the learned policy which makes the learning performance largely affected even by minor…

机器学习 · 计算机科学 2019-07-11 Zhengyao Jiang , Shan Luo

Experience replay serves as a key component in the success of online reinforcement learning (RL). Prioritized experience replay (PER) reweights experiences by the temporal difference (TD) error empirically enhancing the performance.…

机器学习 · 计算机科学 2024-09-20 Changling Li , Zhang-Wei Hong , Pulkit Agrawal , Divyansh Garg , Joni Pajarinen

Researchers have demonstrated that Deep Reinforcement Learning (DRL) is a powerful tool for finding policies that perform well on complex robotic systems. However, these policies are often unpredictable and can induce highly variable…

机器人学 · 计算机科学 2022-03-08 Sean Gillen , Asutay Ozmen , Katie Byl

Advances in reinforcement learning (RL) often rely on massive compute resources and remain notoriously sample inefficient. In contrast, the human brain is able to efficiently learn effective control strategies using limited resources. This…

机器学习 · 计算机科学 2024-01-30 Burcu Küçükoğlu , Walraaf Borkent , Bodo Rueckauer , Nasir Ahmad , Umut Güçlü , Marcel van Gerven

Deep reinforcement learning (DRL) has made great achievements since proposed. Generally, DRL agents receive high-dimensional inputs at each step, and make actions according to deep-neural-network-based policies. This learning mechanism…

多智能体系统 · 计算机科学 2019-12-30 Kun Shao , Zhentao Tang , Yuanheng Zhu , Nannan Li , Dongbin Zhao

Learning a predictive model of the mean return, or value function, plays a critical role in many reinforcement learning algorithms. Distributional reinforcement learning (DRL) has been shown to improve performance by modeling the value…

机器学习 · 计算机科学 2025-07-08 Ju-Seung Byun , Andrew Perrault

Deep Reinforcement Learning (Deep RL) and Evolutionary Algorithms (EA) are two major paradigms of policy optimization with distinct learning principles, i.e., gradient-based v.s. gradient-free. An appealing research direction is integrating…

神经与进化计算 · 计算机科学 2023-07-03 Jianye Hao , Pengyi Li , Hongyao Tang , Yan Zheng , Xian Fu , Zhaopeng Meng

In value-based reinforcement learning (RL), unlike in supervised learning, the agent faces not a single, stationary, approximation problem, but a sequence of value prediction problems. Each time the policy improves, the nature of the…

机器学习 · 计算机科学 2021-01-05 Will Dabney , André Barreto , Mark Rowland , Robert Dadashi , John Quan , Marc G. Bellemare , David Silver

Replacing poorly performing existing controllers with smarter solutions will decrease the energy intensity of the building sector. Recently, controllers based on Deep Reinforcement Learning (DRL) have been shown to be more effective than…

机器学习 · 计算机科学 2022-03-11 Loris Di Natale , Bratislav Svetozarevic , Philipp Heer , Colin N. Jones

Evolutionary Reinforcement Learning (ERL) that applying Evolutionary Algorithms (EAs) to optimize the weight parameters of Deep Neural Network (DNN) based policies has been widely regarded as an alternative to traditional reinforcement…

神经与进化计算 · 计算机科学 2023-02-01 Lan Tang , Xiaxi Li , Jinyuan Zhang , Guiying Li , Peng Yang , Ke Tang