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Parameter sharing, where each agent independently learns a policy with fully shared parameters between all policies, is a popular baseline method for multi-agent deep reinforcement learning. Unfortunately, since all agents share the same…

Machine Learning · Computer Science 2023-11-01 J. K. Terry , Nathaniel Grammel , Sanghyun Son , Benjamin Black , Aakriti Agrawal

Reinforcement learning (RL) emerges as a promising data-driven approach for adaptive traffic signal control (ATSC) in complex urban traffic networks, with deep neural networks substantially augmenting its learning capabilities. However,…

Artificial Intelligence · Computer Science 2025-02-25 Yuli Zhang , Shangbo Wang , Dongyao Jia , Pengfei Fan , Ruiyuan Jiang , Hankang Gu , Andy H. F. Chow

We examine the problem of joint top-down active search of multiple objects under interaction, e.g., person riding a bicycle, cups held by the table, etc.. Such objects under interaction often can provide contextual cues to each other to…

Computer Vision and Pattern Recognition · Computer Science 2017-02-21 Xiangyu Kong , Bo Xin , Yizhou Wang , Gang Hua

We address the problem of vehicle self-localization from multi-modal sensor information and a reference map. The map is generated off-line by extracting landmarks from the vehicle's field of view, while the measurements are collected…

Robotics · Computer Science 2019-07-22 Nico Engel , Stefan Hoermann , Markus Horn , Vasileios Belagiannis , Klaus Dietmayer

Deep neural networks yield promising results in a wide range of computer vision applications, including landmark detection. A major challenge for accurate anatomical landmark detection in volumetric images such as clinical CT scans is that…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Tianyu Ma , Ajay Gupta , Mert R. Sabuncu

In this paper, we consider the problem of multi-agent navigation in partially observable grid environments. This problem is challenging for centralized planning approaches as they, typically, rely on the full knowledge of the environment.…

Machine Learning · Computer Science 2021-08-16 Vasilii Davydov , Alexey Skrynnik , Konstantin Yakovlev , Aleksandr I. Panov

Recently, there is an increasing demand for automatically detecting anatomical landmarks which provide rich structural information to facilitate subsequent medical image analysis. Current methods related to this task often leverage the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Zeyu Fu , Jianbo Jiao , Michael Suttie , J. Alison Noble

Accurate anatomical landmark detection plays an increasingly vital role in medical image analysis. Although existing methods achieve satisfying performance, they are mostly based on CNN and specialized for a single domain say associated…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Heqin Zhu , Qingsong Yao , S. Kevin Zhou

Multi-agent reinforcement learning (MARL) has become a significant research topic due to its ability to facilitate learning in complex environments. In multi-agent tasks, the state-action value, commonly referred to as the Q-value, can vary…

Artificial Intelligence · Computer Science 2024-06-13 Zhenglong Luo , Zhiyong Chen , James Welsh

Opponent modeling is necessary in multi-agent settings where secondary agents with competing goals also adapt their strategies, yet it remains challenging because strategies interact with each other and change. Most previous work focuses on…

Machine Learning · Computer Science 2016-09-20 He He , Jordan Boyd-Graber , Kevin Kwok , Hal Daumé

Navigating through intersections is one of the main challenging tasks for an autonomous vehicle. However, for the majority of intersections regulated by traffic lights, the problem could be solved by a simple rule-based method in which the…

Robotics · Computer Science 2021-05-04 Alessandro Paolo Capasso , Paolo Maramotti , Anthony Dell'Eva , Alberto Broggi

Future generations of mobile networks are expected to contain more and more antennas with growing complexity and more parameters. Optimizing these parameters is necessary for ensuring the good performance of the network. The scale of mobile…

Networking and Internet Architecture · Computer Science 2023-02-03 Maxime Bouton , Jaeseong Jeong , Jose Outes , Adriano Mendo , Alexandros Nikou

Deep reinforcement learning is a technique for solving problems in a variety of environments, ranging from Atari video games to stock trading. This method leverages deep neural network models to make decisions based on observations of a…

Machine Learning · Computer Science 2022-09-13 Anthony Dowling

Localization of anatomical landmarks is essential for clinical diagnosis, treatment planning, and research. In this paper, we propose a novel deep network, named feature aggregation and refinement network (FARNet), for the automatic…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yueyuan Ao , Hong Wu

Multi-agent reinforcement learning shines as the pinnacle of multi-agent systems, conquering intricate real-world challenges, fostering collaboration and coordination among agents, and unleashing the potential for intelligent…

Multiagent Systems · Computer Science 2023-12-27 Jiawei Wang , Jian Zhao , Zhengtao Cao , Ruili Feng , Rongjun Qin , Yang Yu

Inspired by a graph-based technique for predicting molecular properties in quantum chemistry -- atoms' position within molecules in three-dimensional space -- we present Q-MARL, a completely decentralised learning architecture that supports…

Machine Learning · Computer Science 2025-03-11 Kha Vo , Chin-Teng Lin

Real-time localization of prostate gland in trans-rectal ultrasound images is a key technology that is required to automate the ultrasound guided prostate biopsy procedures. In this paper, we propose a new deep learning based approach which…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Ahmet Tuysuzoglu , Jeremy Tan , Kareem Eissa , Atilla P. Kiraly , Mamadou Diallo , Ali Kamen

We present two techniques to improve landmark localization in images from partially annotated datasets. Our primary goal is to leverage the common situation where precise landmark locations are only provided for a small data subset, but…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Sina Honari , Pavlo Molchanov , Stephen Tyree , Pascal Vincent , Christopher Pal , Jan Kautz

A population quantity of interest in statistical shape analysis is the location of landmarks, which are points that aid in reconstructing and representing shapes of objects. We provide an automated, model-based approach to inferring…

Applications · Statistics 2017-10-16 Justin Strait , Oksana Chkrebtii , Sebastian Kurtek

Recent techniques in dynamical scheduling and resource management have found applications in warehouse environments due to their ability to organize and prioritize tasks in a higher temporal resolution. The rise of deep reinforcement…

Machine Learning · Computer Science 2022-03-08 Stelios Stavroulakis , Biswa Sengupta