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For reinforcement learning on complex stochastic systems where many factors dynamically impact the output trajectories, it is desirable to effectively leverage the information from historical samples collected in previous iterations to…

机器学习 · 统计学 2022-09-13 Hua Zheng , Wei Xie , M. Ben Feng

In this study, we delve into Federated Reinforcement Learning (FedRL) in the context of value-based agents operating across diverse Markov Decision Processes (MDPs). Existing FedRL methods typically aggregate agents' learning by averaging…

机器学习 · 计算机科学 2024-04-18 Hei Yi Mak , Flint Xiaofeng Fan , Luca A. Lanzendörfer , Cheston Tan , Wei Tsang Ooi , Roger Wattenhofer

Object detection in aerial imagery presents a significant challenge due to large scale variations among objects. This paper proposes an evolutionary reinforcement learning agent, integrated within a coarse-to-fine object detection…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Jialu Zhang , Xiaoying Yang , Wentao He , Jianfeng Ren , Qian Zhang , Titian Zhao , Ruibin Bai , Xiangjian He , Jiang Liu

Value-decomposition methods, which reduce the difficulty of a multi-agent system by decomposing the joint state-action space into local observation-action spaces, have become popular in cooperative multi-agent reinforcement learning (MARL).…

人工智能 · 计算机科学 2023-03-17 Shuhan Qi , Shuhao Zhang , Qiang Wang , Jiajia Zhang , Jing Xiao , Xuan Wang

Dynamic Data selection aims to accelerate training by prioritizing informative samples during online training. However, existing methods typically rely on task-specific handcrafted metrics or static/snapshot-based criteria to estimate…

机器学习 · 计算机科学 2026-05-14 Suorong Yang , Fangjian Su , Hai Gan , Ziqi Ye , Jie Li , Baile Xu , Furao Shen , Soujanya Poria

Non-stationary environments are challenging for reinforcement learning algorithms. If the state transition and/or reward functions change based on latent factors, the agent is effectively tasked with optimizing a behavior that maximizes…

机器学习 · 计算机科学 2021-05-21 Lucas N. Alegre , Ana L. C. Bazzan , Bruno C. da Silva

General-purpose, intelligent, learning agents cycle through sequences of observations, actions, and rewards that are complex, uncertain, unknown, and non-Markovian. On the other hand, reinforcement learning is well-developed for small…

机器学习 · 计算机科学 2009-12-30 Marcus Hutter

Deep reinforcement learning (DRL) on Markov decision processes (MDPs) with continuous action spaces is often approached by directly training parametric policies along the direction of estimated policy gradients (PGs). Previous research…

机器学习 · 计算机科学 2020-05-05 Gang Chen

Images depicting complex, dynamic scenes are challenging to parse automatically, requiring both high-level comprehension of the overall situation and fine-grained identification of participating entities and their interactions. Current…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Shahaf Pruss , Morris Alper , Hadar Averbuch-Elor

Exploration in multi-task reinforcement learning is critical in training agents to deduce the underlying MDP. Many of the existing exploration frameworks such as $E^3$, $R_{max}$, Thompson sampling assume a single stationary MDP and are not…

人工智能 · 计算机科学 2016-12-04 Sai Praveen Bangaru , JS Suhas , Balaraman Ravindran

Learning informative representations from image-based observations is of fundamental concern in deep Reinforcement Learning (RL). However, data-inefficiency remains a significant barrier to this objective. To overcome this obstacle, we…

机器学习 · 计算机科学 2022-01-19 Tao Huang , Jiachen Wang , Xiao Chen

Exploration is a key problem in reinforcement learning, since agents can only learn from data they acquire in the environment. With that in mind, maintaining a population of agents is an attractive method, as it allows data be collected…

机器学习 · 计算机科学 2020-10-08 Jack Parker-Holder , Aldo Pacchiano , Krzysztof Choromanski , Stephen Roberts

We propose a fully distributed actor-critic algorithm approximated by deep neural networks, named \textit{Diff-DAC}, with application to single-task and to average multitask reinforcement learning (MRL). Each agent has access to data from…

In this paper, we present deep learning frameworks for audio-visual scene classification (SC) and indicate how individual visual and audio features as well as their combination affect SC performance. Our extensive experiments, which are…

声音 · 计算机科学 2021-06-17 Lam Pham , Alexander Schindler , Mina Schütz , Jasmin Lampert , Sven Schlarb , Ross King

In a wide variety of applications, humans interact with a complex environment by means of asynchronous stochastic discrete events in continuous time. Can we design online interventions that will help humans achieve certain goals in such…

机器学习 · 计算机科学 2018-11-07 Utkarsh Upadhyay , Abir De , Manuel Gomez-Rodriguez

Deep reinforcement learning has proven to be a great success in allowing agents to learn complex tasks. However, its application to actual robots can be prohibitively expensive. Furthermore, the unpredictability of human behavior in…

机器人学 · 计算机科学 2019-08-16 Mohammad Thabet , Massimiliano Patacchiola , Angelo Cangelosi

Artificial intelligence is transforming financial investment decision-making frameworks, with deep reinforcement learning demonstrating substantial potential in robo-advisory applications. This paper addresses the limitations of traditional…

投资组合管理 · 定量金融 2025-02-24 Gang Huang , Xiaohua Zhou , Qingyang Song

In this paper, we propose an adaptive keyframe selection method for improved 3D scene reconstruction in dynamic environments. The proposed method integrates two complementary modules: an error-based selection module utilizing photometric…

机器人学 · 计算机科学 2025-12-30 Raman Jha , Yang Zhou , Giuseppe Loianno

Semantic scene understanding is essential for mobile agents acting in various environments. Although semantic segmentation already provides a lot of information, details about individual objects as well as the general scene are missing but…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Daniel Seichter , Söhnke Benedikt Fischedick , Mona Köhler , Horst-Michael Groß

In this paper, we propose a method for online domain-incremental learning of acoustic scene classification from a sequence of different locations. Simply training a deep learning model on a sequence of different locations leads to…

音频与语音处理 · 电气工程与系统科学 2024-06-21 Manjunath Mulimani , Annamaria Mesaros
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