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How do humans and animals perform trial-and-error learning when the space of possibilities is infinite? In a previous study, we used an interval timing production task and discovered an updating strategy in which the agent adjusted the…

神经元与认知 · 定量生物学 2022-05-10 Jing Wang , Yousuf El-Jayyousi , Ilker Ozden

Deep Learning has become interestingly popular in computer vision, mostly attaining near or above human-level performance in various vision tasks. But recent work has also demonstrated that these deep neural networks are very vulnerable to…

机器学习 · 计算机科学 2020-12-09 Shashi Kant Gupta

Deep Research agents tackle knowledge-intensive tasks through multi-round retrieval and decision-oriented generation. While reinforcement learning (RL) has been shown to improve performance in this paradigm, its contributions remain…

计算与语言 · 计算机科学 2026-02-24 Yinuo Xu , Shuo Lu , Jianjie Cheng , Meng Wang , Qianlong Xie , Xingxing Wang , Ran He , Jian Liang

We consider deep deterministic policy gradient (DDPG) in the context of reinforcement learning with sparse rewards. To enhance exploration, we introduce a search procedure, \emph{${\epsilon}{t}$-greedy}, which generates exploratory options…

机器学习 · 计算机科学 2026-02-18 Ehsan Futuhi , Shayan Karimi , Chao Gao , Martin Müller

Reinforcement learning algorithms such as the deep deterministic policy gradient algorithm (DDPG) has been widely used in continuous control tasks. However, the model-free DDPG algorithm suffers from high sample complexity. In this paper we…

机器学习 · 计算机科学 2019-11-14 Qingpeng Cai , Ling Pan , Pingzhong Tang

Reinforcement learning, which acquires a policy maximizing long-term rewards, has been actively studied. Unfortunately, this learning type is too slow and difficult to use in practical situations because the state-action space becomes huge…

机器学习 · 计算机科学 2024-10-28 Takato Okudo , Seiji Yamada

Robotic grasping is a crucial area of research as it can result in the acceleration of the automation of several Industries utilizing robots ranging from manufacturing to healthcare. Reinforcement learning is the field of study where an…

人工智能 · 计算机科学 2020-01-14 Raghav Nagpal , Achyuthan Unni Krishnan , Hanshen Yu

We propose a method for learning expressive energy-based policies for continuous states and actions, which has been feasible only in tabular domains before. We apply our method to learning maximum entropy policies, resulting into a new…

机器学习 · 计算机科学 2017-07-25 Tuomas Haarnoja , Haoran Tang , Pieter Abbeel , Sergey Levine

Solving a reinforcement learning (RL) problem poses two competing challenges: fitting a potentially discontinuous value function, and generalizing well to new observations. In this paper, we analyze the learning dynamics of temporal…

机器学习 · 计算机科学 2022-06-07 Clare Lyle , Mark Rowland , Will Dabney , Marta Kwiatkowska , Yarin Gal

The objective of a reinforcement learning agent is to discover better actions through exploration. However, typical exploration techniques aim to maximize rewards, often incurring high costs in both exploration and learning processes. We…

机器学习 · 计算机科学 2024-12-24 Akane Tsuboya , Yu Kono , Tatsuji Takahashi

Q-Learning is a fundamental off-policy reinforcement learning (RL) algorithm that has the objective of approximating action-value functions in order to learn optimal policies. Nonetheless, it has difficulties in reconciling bias with…

机器学习 · 计算机科学 2024-11-22 Mahammad Humayoo

Recently, Visual Programming (VP) based on large language models (LLMs) has rapidly developed and demonstrated significant potential in complex Visual Reasoning (VR) tasks. Previous works to enhance VP have primarily focused on improving…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Wentao Wan , Kaiyu Wu , Qingyang Ma , Nan Kang , Yunjie Chen , Liang Lin , Keze Wang

Deep reinforcement learning (RL) algorithms frequently require prohibitive interaction experience to ensure the quality of learned policies. The limitation is partly because the agent cannot learn much from the many low-quality trials in…

机器学习 · 计算机科学 2020-04-24 Keting Lu , Shiqi Zhang , Xiaoping Chen

We consider a problem of learning the reward and policy from expert examples under unknown dynamics. Our proposed method builds on the framework of generative adversarial networks and introduces the empowerment-regularized maximum-entropy…

机器学习 · 计算机科学 2019-02-26 Ahmed H. Qureshi , Byron Boots , Michael C. Yip

The use of artificial intelligence in supply chain forecasting has attracted many scientific studies for several decades. However, the process of selecting an appropriate forecasting solution becomes a daunting task. This complexity arises…

机器学习 · 计算机科学 2026-05-07 Bilel Abderrahmane Benziane , Benoit Lardeux , Ayoub Mcharek , Maher Jridi

Transformer-based architectures have recently propelled advances in sequence modeling across domains, but their application to the hydrophobic-hydrophilic (H-P) model for protein folding remains relatively unexplored. In this work, we adapt…

机器学习 · 计算机科学 2025-04-23 Peizheng Liu , Hitoshi Iba

Dexterous robotic hands are appealing for their agility and human-like morphology, yet their high degree of freedom makes learning to manipulate challenging. We introduce an approach for learning dexterous grasping. Our key idea is to embed…

机器人学 · 计算机科学 2021-06-18 Priyanka Mandikal , Kristen Grauman

Reinforcement learning has been increasingly applied in monitoring applications because of its ability to learn from previous experiences and can make adaptive decisions. However, existing machine learning-based health monitoring…

机器学习 · 计算机科学 2024-10-28 Thanveer Shaik , Xiaohui Tao , Lin Li , Haoran Xie , U R Acharya , Raj Gururajan , Xujuan Zhou

In continuing tasks, average-reward reinforcement learning may be a more appropriate problem formulation than the more common discounted reward formulation. As usual, learning an optimal policy in this setting typically requires a large…

人工智能 · 计算机科学 2023-01-18 Yuqian Jiang , Sudarshanan Bharadwaj , Bo Wu , Rishi Shah , Ufuk Topcu , Peter Stone

We propose a multi-agent distributed reinforcement learning algorithm that balances between potentially conflicting short-term reward and sparse, delayed long-term reward, and learns with partial information in a dynamic environment. We…

机器学习 · 计算机科学 2022-04-06 Jing Tan , Ramin Khalili , Holger Karl