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We present an attention-based model for recognizing multiple objects in images. The proposed model is a deep recurrent neural network trained with reinforcement learning to attend to the most relevant regions of the input image. We show…

机器学习 · 计算机科学 2015-04-24 Jimmy Ba , Volodymyr Mnih , Koray Kavukcuoglu

We consider the problem of multi-agent navigation and collision avoidance when observations are limited to the local neighborhood of each agent. We propose InforMARL, a novel architecture for multi-agent reinforcement learning (MARL) which…

多智能体系统 · 计算机科学 2023-05-17 Siddharth Nayak , Kenneth Choi , Wenqi Ding , Sydney Dolan , Karthik Gopalakrishnan , Hamsa Balakrishnan

Many real-world applications involve data from multiple modalities and thus exhibit the view heterogeneity. For example, user modeling on social media might leverage both the topology of the underlying social network and the content of the…

机器学习 · 计算机科学 2021-02-16 Lecheng Zheng , Yu Cheng , Hongxia Yang , Nan Cao , Jingrui He

Landmark detection is central to many medical applications, such as identifying critical structures for treatment planning or defining control points for biometric measurements. However, manual annotation is labor-intensive and requires…

Uncovering causal structures from observational data is crucial for understanding complex systems and making informed decisions. While reinforcement learning (RL) has shown promise in identifying these structures in the form of a directed…

机器学习 · 计算机科学 2026-03-24 Dong Li , Zhengzhang Chen , Xujiang Zhao , Linlin Yu , Zhong Chen , Yi He , Haifeng Chen , Chen Zhao

We present a deep learning-based multi-task approach for head pose estimation in images. We contribute with a network architecture and training strategy that harness the strong dependencies among face pose, alignment and visibility, to…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Roberto Valle , José Miguel Buenaposada , Luis Baumela

We propose a novel approach to address one aspect of the non-stationarity problem in multi-agent reinforcement learning (RL), where the other agents may alter their policies due to environment changes during execution. This violates the…

机器学习 · 计算机科学 2019-12-03 Yixiang Wang , Feng Wu

This paper presents a novel approach to Multi-Agent Reinforcement Learning (MARL) that combines cooperative task decomposition with the learning of reward machines (RMs) encoding the structure of the sub-tasks. The proposed method helps…

人工智能 · 计算机科学 2025-02-17 Leo Ardon , Daniel Furelos-Blanco , Alessandra Russo

The complexity and scale of IT systems are increasing dramatically, posing many challenges to real-world anomaly detection. Deep learning anomaly detection has emerged, aiming at feature learning and anomaly scoring, which has gained…

机器学习 · 计算机科学 2023-12-05 Xue Yang , Enda Howley , Micheal Schukat

We propose a new Patch-based Iterative Network (PIN) for fast and accurate landmark localisation in 3D medical volumes. PIN utilises a Convolutional Neural Network (CNN) to learn the spatial relationship between an image patch and…

With the advent of ride-sharing services, there is a huge increase in the number of people who rely on them for various needs. Most of the earlier approaches tackling this issue required handcrafted functions for estimating travel times and…

机器学习 · 计算机科学 2020-06-22 Oscar de Lima , Hansal Shah , Ting-Sheng Chu , Brian Fogelson

Target following in dynamic pedestrian environments is an important task for mobile robots. However, it is challenging to keep tracking the target while avoiding collisions in crowded environments, especially with only one robot. In this…

机器人学 · 计算机科学 2021-09-07 Yuxiang Cui , Xiaolong Huang , Yue Wang , Rong Xiong

Skin lesion identification is a key step toward dermatological diagnosis. When describing a skin lesion, it is very important to note its body site distribution as many skin diseases commonly affect particular parts of the body. To exploit…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Haofu Liao , Jiebo Luo

Existing action recognition methods are typically actor-specific due to the intrinsic topological and apparent differences among the actors. This requires actor-specific pose estimation (e.g., humans vs. animals), leading to cumbersome…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Anindya Mondal , Sauradip Nag , Joaquin M Prada , Xiatian Zhu , Anjan Dutta

In this paper, we propose a self-supervised learningmethod for multi-object pose estimation. 3D object under-standing from 2D image is a challenging task that infers ad-ditional dimension from reduced-dimensional information.In particular,…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Hyeonwoo Yu , Jean Oh

Landmark detection plays a crucial role in medical imaging applications such as disease diagnosis, bone age estimation, and therapy planning. However, training models for detecting multiple landmarks simultaneously often encounters the…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Xu He , Zhen Huang , Qingsong Yao , Xiaoqian Zhou , S. Kevin Zhou

Compared to abstract features, significant objects, so-called landmarks, are a more natural means for vehicle localization and navigation, especially in challenging unstructured environments. The major challenge is to recognize landmarks in…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Benjamin Naujoks , Patrick Burger , Hans-Joachim Wuensche

Modelling the behaviours of other agents is essential for understanding how agents interact and making effective decisions. Existing methods for agent modelling commonly assume knowledge of the local observations and chosen actions of the…

机器学习 · 计算机科学 2021-11-10 Georgios Papoudakis , Filippos Christianos , Stefano V. Albrecht

Learning anatomical segmentation from heterogeneous labels in multi-center datasets is a common situation encountered in clinical scenarios, where certain anatomical structures are only annotated in images coming from particular medical…

图像与视频处理 · 电气工程与系统科学 2023-09-06 Nicolás Gaggion , Maria Vakalopoulou , Diego H. Milone , Enzo Ferrante

Traditionally, the performance of multi-agent deep reinforcement learning algorithms are demonstrated and validated in gaming environments where we often have a fixed number of agents. In many industrial applications, the number of…

机器学习 · 计算机科学 2022-01-19 Hamed Khorasgani , Haiyan Wang , Hsiu-Khuern Tang , Chetan Gupta