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Exploration is a fundamental challenge in reinforcement learning (RL). Many of the current exploration methods for deep RL use task-agnostic objectives, such as information gain or bonuses based on state visitation. However, many practical…

机器学习 · 计算机科学 2018-02-21 Abhishek Gupta , Russell Mendonca , YuXuan Liu , Pieter Abbeel , Sergey Levine

Reinforcement learning (RL) has proven its worth in a series of artificial domains, and is beginning to show some successes in real-world scenarios. However, much of the research advances in RL are often hard to leverage in real-world…

机器学习 · 计算机科学 2019-05-01 Gabriel Dulac-Arnold , Daniel Mankowitz , Todd Hester

Reinforcement learning (RL) involves sequential decision making in uncertain environments. The aim of the decision-making agent is to maximize the benefit of acting in its environment over an extended period of time. Finding an optimal…

人工智能 · 计算机科学 2007-05-23 Istvan Szita , Balint Takacs , Andras Lorincz

This paper reviews exploration techniques in deep reinforcement learning. Exploration techniques are of primary importance when solving sparse reward problems. In sparse reward problems, the reward is rare, which means that the agent will…

机器学习 · 计算机科学 2022-05-03 Pawel Ladosz , Lilian Weng , Minwoo Kim , Hyondong Oh

In this paper, we present empirical evidence of skills and directed exploration emerging from a simple RL algorithm long before any successful trials are observed. For example, in a manipulation task, the agent is given a single observation…

机器学习 · 计算机科学 2024-08-13 Grace Liu , Michael Tang , Benjamin Eysenbach

As a pivotal component to attaining generalizable solutions in human intelligence, reasoning provides great potential for reinforcement learning (RL) agents' generalization towards varied goals by summarizing part-to-whole arguments and…

机器学习 · 计算机科学 2023-05-18 Wenhao Ding , Haohong Lin , Bo Li , Ding Zhao

Exploration is essential for reinforcement learning (RL). To face the challenges of exploration, we consider a reward-free RL framework that completely separates exploration from exploitation and brings new challenges for exploration…

机器学习 · 计算机科学 2020-12-11 Chuheng Zhang , Yuanying Cai , Longbo Huang , Jian Li

Exploration is a crucial and distinctive aspect of reinforcement learning (RL) that remains a fundamental open problem. Several methods have been proposed to tackle this challenge. Commonly used methods inject random noise directly into the…

机器学习 · 计算机科学 2024-11-06 Sebastian Griesbach , Carlo D'Eramo

Reinforcement learning (RL) is a powerful machine learning technique that has been successfully applied to a wide variety of problems. However, it can be unpredictable and produce suboptimal results in complicated learning environments.…

多智能体系统 · 计算机科学 2024-11-19 Brian Mintz , Feng Fu

Reinforcement Learning (RL) is a general framework concerned with an agent that seeks to maximize rewards in an environment. The learning typically happens through trial and error using explorative methods, such as epsilon-greedy. There are…

机器学习 · 计算机科学 2022-10-06 Per-Arne Andersen , Morten Goodwin , Ole-Christoffer Granmo

Reinforcement learning usually uses the feedback rewards of environmental to train agents. But the rewards in the actual environment are sparse, and even some environments will not rewards. Most of the current methods are difficult to get…

机器学习 · 计算机科学 2020-01-13 Kai Jiang , XiaoLong Qin

Causal inference is crucial for humans to explore the world, which can be modeled to enable an agent to efficiently explore the environment in reinforcement learning. Existing research indicates that establishing the causality between…

机器学习 · 计算机科学 2025-08-14 Yan Yu , Yaodong Yang , Zhengbo Lu , Chengdong Ma , Wengang Zhou , Houqiang Li

This paper investigates search in model-based reinforcement learning (RL). Conventional wisdom holds that long-term predictions and compounding errors are the primary obstacles for model-based RL. We challenge this view, showing that search…

机器学习 · 计算机科学 2026-05-25 Wei-Di Chang , Mikael Henaff , Brandon Amos , Gregory Dudek , Scott Fujimoto

Efficient exploration is necessary to achieve good sample efficiency for reinforcement learning in general. From small, tabular settings such as gridworlds to large, continuous and sparse reward settings such as robotic object manipulation…

机器学习 · 计算机科学 2019-06-20 Zhaohan Daniel Guo , Emma Brunskill

Reinforcement learning (RL) plays a major role in solving complex sequential decision-making tasks. Hierarchical and goal-conditioned RL are promising methods for dealing with two major problems in RL, namely sample inefficiency and…

机器学习 · 计算机科学 2025-02-11 Amirhossein Mesbah , Reshad Hosseini , Seyed Pooya Shariatpanahi , Majid Nili Ahmadabadi

Many potential applications of reinforcement learning (RL) are stymied by the large numbers of samples required to learn an effective policy. This is especially true when applying RL to real-world control tasks, e.g. in the sciences or…

In this paper, we present an autonomous navigation system for goal-driven exploration of unknown environments through deep reinforcement learning (DRL). Points of interest (POI) for possible navigation directions are obtained from the…

机器人学 · 计算机科学 2021-09-10 Reinis Cimurs , Il Hong Suh , Jin Han Lee

This paper is an initial endeavor to bridge the gap between powerful Deep Reinforcement Learning methodologies and the problem of exploration/coverage of unknown terrains. Within this scope, MarsExplorer, an openai-gym compatible…

Reinforcement learning (RL) algorithms have demonstrated promising results on complex tasks, yet often require impractical numbers of samples since they learn from scratch. Meta-RL aims to address this challenge by leveraging experience…

机器学习 · 计算机科学 2020-10-28 Russell Mendonca , Abhishek Gupta , Rosen Kralev , Pieter Abbeel , Sergey Levine , Chelsea Finn

Reinforcement learning (RL) is one of the active fields in machine learning, demonstrating remarkable potential in tackling real-world challenges. Despite its promising prospects, this methodology has encountered with issues and challenges,…

机器学习 · 计算机科学 2024-11-21 Alireza Rashidi Laleh , Majid Nili Ahmadabadi