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Sample-efficiency and reliability remain major bottlenecks toward wide adoption of reinforcement learning algorithms in continuous settings with high-dimensional perceptual inputs. Toward addressing these challenges, we introduce a new…

Machine Learning · Computer Science 2024-05-30 Yuda Song , Lili Wu , Dylan J. Foster , Akshay Krishnamurthy

With the ever-growing variety of object detection approaches, this study explores a series of experiments that combine reinforcement learning (RL)-based visual attention methods with saliency ranking techniques to investigate transparent…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Matthias Bartolo , Dylan Seychell , Josef Bajada

Exploration in environments with sparse rewards has been a persistent problem in reinforcement learning (RL). Many tasks are natural to specify with a sparse reward, and manually shaping a reward function can result in suboptimal…

Machine Learning · Computer Science 2018-02-27 Ashvin Nair , Bob McGrew , Marcin Andrychowicz , Wojciech Zaremba , Pieter Abbeel

Despite the recent success of deep reinforcement learning (RL), domain adaptation remains an open problem. Although the generalization ability of RL agents is critical for the real-world applicability of Deep RL, zero-shot policy transfer…

Machine Learning · Computer Science 2021-09-06 Jinwei Xing , Takashi Nagata , Kexin Chen , Xinyun Zou , Emre Neftci , Jeffrey L. Krichmar

Reinforcement Learning (RL) has emerged as a powerful paradigm in Artificial Intelligence (AI), enabling agents to learn optimal behaviors through interactions with their environments. Drawing from the foundations of trial and error, RL…

Artificial Intelligence · Computer Science 2025-02-04 Majid Ghasemi , Amir Hossein Moosavi , Dariush Ebrahimi

The development of robotic systems for palletization in logistics scenarios is of paramount importance, addressing critical efficiency and precision demands in supply chain management. This paper investigates the application of…

Robotics · Computer Science 2024-04-09 Zheng Wu , Yichuan Li , Wei Zhan , Changliu Liu , Yun-Hui Liu , Masayoshi Tomizuka

Long-horizon reinforcement learning (RL) for large language models faces critical scalability challenges from unbounded context growth, leading to context folding methods that compress interaction history during task execution. However,…

Machine Learning · Computer Science 2025-12-30 Jiaqi Shao , Yufeng Miao , Wei Zhang , Bing Luo

It is a long-standing problem to find effective representations for training reinforcement learning (RL) agents. This paper demonstrates that learning state representations with supervision from Neural Radiance Fields (NeRFs) can improve…

Machine Learning · Computer Science 2022-06-06 Danny Driess , Ingmar Schubert , Pete Florence , Yunzhu Li , Marc Toussaint

Deep reinforcement learning (RL) agents that exist in high-dimensional state spaces, such as those composed of images, have interconnected learning burdens. Agents must learn an action-selection policy that completes their given task, which…

Machine Learning · Computer Science 2021-10-12 Trevor McInroe , Lukas Schäfer , Stefano V. Albrecht

Sequential decision-making agents struggle with long horizon tasks, since solving them requires multi-step reasoning. Most reinforcement learning (RL) algorithms address this challenge by improved credit assignment, introducing memory…

Machine Learning · Computer Science 2023-04-04 Bogdan Mazoure , Jake Bruce , Doina Precup , Rob Fergus , Ankit Anand

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

While Reinforcement Learning (RL) agents can successfully learn to handle complex tasks, effectively generalizing acquired skills to unfamiliar settings remains a challenge. One of the reasons behind this is the visual encoders used are…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Yuhan Zhang , Guoqing Ma , Guangfu Hao , Liangxuan Guo , Yang Chen , Shan Yu

Decision-making in complex, continuous multi-task environments is often hindered by the difficulty of obtaining accurate models for planning and the inefficiency of learning purely from trial and error. While precise environment dynamics…

Machine Learning · Computer Science 2025-03-20 Jeff Jewett , Sandhya Saisubramanian

Offline reinforcement learning (RL) aims to optimize the return given a fixed dataset of agent trajectories without additional interactions with the environment. While algorithm development has progressed rapidly, significant theoretical…

Machine Learning · Computer Science 2025-08-12 Fengdi Che

We study reinforcement learning (RL) problems in which agents observe the reward or transition realizations at their current state before deciding which action to take. Such observations are available in many applications, including…

Machine Learning · Computer Science 2024-10-22 Nadav Merlis

Formally verifying Deep Reinforcement Learning (DRL) systems is a challenging task due to the dynamic continuity of system behaviors and the black-box feature of embedded neural networks. In this paper, we propose a novel abstraction-based…

Artificial Intelligence · Computer Science 2021-06-15 Peng Jin , Min Zhang , Jianwen Li , Li Han , Xuejun Wen

The proliferation of unmanned aerial vehicles (UAVs) in controlled airspace presents significant risks, including potential collisions, disruptions to air traffic, and security threats. Ensuring the safe and efficient operation of airspace,…

Robotics · Computer Science 2025-10-22 Francisco Giral , Ignacio Gómez , Soledad Le Clainche

Recently, various auxiliary tasks have been proposed to accelerate representation learning and improve sample efficiency in deep reinforcement learning (RL). However, existing auxiliary tasks do not take the characteristics of RL problems…

Machine Learning · Computer Science 2021-02-23 Guoqing Liu , Chuheng Zhang , Li Zhao , Tao Qin , Jinhua Zhu , Jian Li , Nenghai Yu , Tie-Yan Liu

Visual navigation requires a whole range of capabilities. A crucial one of these is the ability of an agent to determine its own location and heading in an environment. Prior works commonly assume this information as given, or use methods…

Machine Learning · Computer Science 2024-02-20 Moritz Lange , Raphael C. Engelhardt , Wolfgang Konen , Laurenz Wiskott

Compared with model-based control and optimization methods, reinforcement learning (RL) provides a data-driven, learning-based framework to formulate and solve sequential decision-making problems. The RL framework has become promising due…

Systems and Control · Electrical Eng. & Systems 2024-07-29 Pouria Razzaghi , Amin Tabrizian , Wei Guo , Shulu Chen , Abenezer Taye , Ellis Thompson , Alexis Bregeon , Ali Baheri , Peng Wei