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Learning-based techniques have become popular in both model predictive control (MPC) and reinforcement learning (RL). Probabilistic ensemble (PE) models offer a promising approach for modelling system dynamics, showcasing the ability to…

Machine Learning · Computer Science 2024-05-07 Yuan Zhang , Jasper Hoffmann , Joschka Boedecker

In clinical practice, automatic analysis of electrocardiogram (ECG) is widely applied to identify irregular heart rhythms and other electrical anomalies of the heart, enabling timely intervention and potentially improving clinical outcomes.…

Machine Learning · Computer Science 2025-09-03 Zhangyue Shi , Zekai Wang , Yuxuan Li

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…

Machine Learning · Computer Science 2025-02-11 Utsav Singh , Vinay P. Namboodiri

We propose Unified Distributed Environment (UDE), an environment virtualization toolkit for reinforcement learning research. UDE is designed to integrate environments built on any simulation platform such as Gazebo, Unity, Unreal, and…

Machine Learning · Computer Science 2022-05-17 Woong Gyu La , Sunil Muralidhara , Lingjie Kong , Pratik Nichat

The double descent (DD) paradox, where over-parameterized models see generalization improve past the interpolation point, remains largely unexplored in the non-stationary domain of Deep Reinforcement Learning (DRL). We present preliminary…

Machine Learning · Computer Science 2025-11-11 Viktor Veselý , Aleksandar Todorov , Matthia Sabatelli

We propose a distributed architecture for deep reinforcement learning at scale, that enables agents to learn effectively from orders of magnitude more data than previously possible. The algorithm decouples acting from learning: the actors…

Machine Learning · Computer Science 2018-03-05 Dan Horgan , John Quan , David Budden , Gabriel Barth-Maron , Matteo Hessel , Hado van Hasselt , David Silver

Self-play is an unsupervised training procedure which enables the reinforcement learning agents to explore the environment without requiring any external rewards. We augment the self-play setting by providing an external memory where the…

Machine Learning · Computer Science 2018-06-04 Shagun Sodhani , Vardaan Pahuja

Building deep reinforcement learning agents that can generalize and adapt to unseen environments remains a fundamental challenge for AI. This paper describes progresses on this challenge in the context of man-made environments, which are…

Machine Learning · Computer Science 2018-10-01 Yi Wu , Yuxin Wu , Aviv Tamar , Stuart Russell , Georgia Gkioxari , Yuandong Tian

Robust reinforcement learning (RL) considers the problem of learning policies that perform well in the worst case among a set of possible environment parameter values. In real-world environments, choosing the set of possible values for…

Machine Learning · Computer Science 2022-10-05 JB Lanier , Stephen McAleer , Pierre Baldi , Roy Fox

Various automatic curriculum learning (ACL) methods have been proposed to improve the sample efficiency and final performance of deep reinforcement learning (DRL). They are designed to control how a DRL agent collects data, which is…

Machine Learning · Computer Science 2022-10-26 Jikun Kang , Miao Liu , Abhinav Gupta , Chris Pal , Xue Liu , Jie Fu

Experience replay (ER) is a fundamental component of off-policy deep reinforcement learning (RL). ER recalls experiences from past iterations to compute gradient estimates for the current policy, increasing data-efficiency. However, the…

Machine Learning · Computer Science 2019-05-21 Guido Novati , Petros Koumoutsakos

Understanding the behavior of deep reinforcement learning (DRL) agents -particularly as task and agent sophistication increase- requires more than simple comparison of reward curves, yet standard methods for behavioral analysis remain…

Artificial Intelligence · Computer Science 2025-12-02 Riley Simmons-Edler , Ryan P. Badman , Felix Baastad Berg , Raymond Chua , John J. Vastola , Joshua Lunger , William Qian , Kanaka Rajan

Reinforcement learning (RL) has emerged as an effective paradigm for improving the reasoning capability of vision-language models (VLMs). However, RL-based optimization typically depends on costly high-quality annotations that are difficult…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Lin Qiu , Hanqing Zeng , Yao Liu , Bingjun Sun , Guangdeng Liao , Ji Liu

Detecting pre-training data in Large Language Models (LLMs) is crucial for auditing data privacy and copyright compliance, yet it remains challenging in black-box, zero-shot settings where computational resources and training data are…

Computation and Language · Computer Science 2026-01-13 Jinhan Liu , Yibo Yang , Ruiying Lu , Piotr Piekos , Yimeng Chen , Peng Wang , Dandan Guo

Reinforcement learning (RL) has revolutionized decision-making across a wide range of domains over the past few decades. Yet, deploying RL policies in real-world scenarios presents the crucial challenge of ensuring safety. Traditional safe…

Systems and Control · Electrical Eng. & Systems 2024-03-26 Lunet Yifru , Ali Baheri

Modern action-conditioned video world models achieve strong short-horizon visual realism, yet remain unreliable on rare, interaction-critical transitions that dominate downstream planning and policy performance. Because passive…

In this paper, a deep reinforcement learning (DRL) method is proposed to address the problem of UAV navigation in an unknown environment. However, DRL algorithms are limited by the data efficiency problem as they typically require a huge…

Robotics · Computer Science 2020-08-07 Lei He , Nabil Aouf , James F. Whidborne , Bifeng Song

A pervasive challenge in Reinforcement Learning (RL) is the "curse of dimensionality" which is the exponential growth in the state-action space when optimizing a high-dimensional target task. The framework of curriculum learning trains the…

Machine Learning · Computer Science 2025-03-24 Mingxuan Li , Junzhe Zhang , Elias Bareinboim

Preference-based reinforcement learning (PbRL) is an approach that enables RL agents to learn from preference, which is particularly useful when formulating a reward function is challenging. Existing PbRL methods generally involve a…

Machine Learning · Computer Science 2023-10-30 Gaon An , Junhyeok Lee , Xingdong Zuo , Norio Kosaka , Kyung-Min Kim , Hyun Oh Song

Unsupervised domain adaptation (UDA) aims to transfer the knowledge on a labeled source domain distribution to perform well on an unlabeled target domain. Recently, the deep self-training involves an iterative process of predicting on the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Xiaofeng Liu , Bo Hu , Xiongchang Liu , Jun Lu , Jane You , Lingsheng Kong