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Emergency vehicles require rapid passage through congested traffic, yet existing strategies fail to adapt to dynamic conditions. We propose a novel hierarchical graph neural network (GNN)-based multi-agent reinforcement learning framework…

机器人学 · 计算机科学 2026-01-12 Haoran Su

The purpose of this paper is to describe one-shot-learning gesture recognition systems developed on the \textit{ChaLearn Gesture Dataset}. We use RGB and depth images and combine appearance (Histograms of Oriented Gradients) and motion…

计算机视觉与模式识别 · 计算机科学 2014-02-18 Jakub Konečný , Michal Hagara

Motion, measured via optical flow, provides a powerful cue to discover and learn objects in images and videos. However, compared to using appearance, it has some blind spots, such as the fact that objects become invisible if they do not…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Subhabrata Choudhury , Laurynas Karazija , Iro Laina , Andrea Vedaldi , Christian Rupprecht

Message passing on hypergraphs has been a standard framework for learning higher-order correlations between hypernodes. Recently-proposed hypergraph neural networks (HGNNs) can be categorized into spatial and spectral methods based on their…

机器学习 · 计算机科学 2024-05-28 Siddhant Saxena , Shounak Ghatak , Raghu Kolla , Debashis Mukherjee , Tanmoy Chakraborty

Steganalysis methods based on deep learning (DL) often struggle with computational complexity and challenges in generalizing across different datasets. Incorporating a graph neural network (GNN) into steganalysis schemes enables the…

密码学与安全 · 计算机科学 2025-09-29 Mustapha Hemis , Hamza Kheddar , Mohamed Chahine Ghanem , Bachir Boudraa

Photonic neural networks perform brain-inspired computations using photons instead of electrons that can achieve substantially improved computing performance. However, existing architectures can only handle data with regular structures,…

新兴技术 · 计算机科学 2022-04-26 Tao Yan , Rui Yang , Ziyang Zheng , Xing Lin , Hongkai Xiong , Qionghai Dai

How to make a segmentation model efficiently adapt to a specific video and to online target appearance variations are fundamentally crucial issues in the field of video object segmentation. In this work, a graph memory network is developed…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Xiankai Lu , Wenguan Wang , Martin Danelljan , Tianfei Zhou , Jianbing Shen , Luc Van Gool

Recently, graph neural networks have been gaining a lot of attention to simulate dynamical systems due to their inductive nature leading to zero-shot generalizability. Similarly, physics-informed inductive biases in deep-learning frameworks…

机器学习 · 计算机科学 2023-02-03 Abishek Thangamuthu , Gunjan Kumar , Suresh Bishnoi , Ravinder Bhattoo , N M Anoop Krishnan , Sayan Ranu

Video Scene Graph Generation (VidSGG) aims to represent dynamic visual content by detecting objects and modeling their temporal interactions as structured graphs. Prior studies typically target either coarse-grained box-level or…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Huy Le , Nhat Chung , Tung Kieu , Jingkang Yang , Ngan Le

Graph neural networks emerge as a promising modeling method for applications dealing with datasets that are best represented in the graph domain. In specific, developing recommendation systems often require addressing sparse structured data…

机器学习 · 计算机科学 2020-08-03 Dom Huh

Graph Neural Networks (GNN) have gained significant traction in the forecasting domain, especially for their capacity to simultaneously account for intra-series temporal correlations and inter-series relationships. This paper introduces a…

机器学习 · 计算机科学 2024-05-30 Abishek Sriramulu , Nicolas Fourrier , Christoph Bergmeir

Object categories are typically organized into a multi-granularity taxonomic hierarchy. When classifying categories at different hierarchy levels, traditional uni-modal approaches focus primarily on image features, revealing limitations in…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Peng Xia , Xingtong Yu , Ming Hu , Lie Ju , Zhiyong Wang , Peibo Duan , Zongyuan Ge

Graph generation is a critical yet challenging task, as empirical analyses require a deep understanding of complex, non-Euclidean structures. Diffusion models have recently made significant advances in graph generation, but these models are…

机器学习 · 计算机科学 2026-03-13 Yiming Huang , Tolga Birdal

Graph Convolutional Networks (GCNs) are increasingly adopted in large-scale graph-based recommender systems. Training GCN requires the minibatch generator traversing graphs and sampling the sparsely located neighboring nodes to obtain their…

机器学习 · 计算机科学 2021-08-17 Seung Won Min , Kun Wu , Sitao Huang , Mert Hidayetoğlu , Jinjun Xiong , Eiman Ebrahimi , Deming Chen , Wen-mei Hwu

Heterogeneous Graph Neural Networks (HGNNs) have exhibited powerful performance in heterogeneous graph learning by aggregating information from various types of nodes and edges. However, existing heterogeneous graph models often struggle to…

机器学习 · 计算机科学 2025-09-30 Ranhui Yan , Jia cai

The last decades have seen a growth in the number of cyber-attacks with severe economic and privacy damages, which reveals the need for network intrusion detection approaches to assist in preventing cyber-attacks and reducing their risks.…

密码学与安全 · 计算机科学 2023-10-11 Hamdi Friji , Alexis Olivereau , Mireille Sarkiss

We present a novel graph neural network (GNN) approach for cell tracking in high-throughput microscopy videos. By modeling the entire time-lapse sequence as a direct graph where cell instances are represented by its nodes and their…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Tal Ben-Haim , Tammy Riklin Raviv

Network architecture plays a key role in the deep learning-based computer vision system. The widely-used convolutional neural network and transformer treat the image as a grid or sequence structure, which is not flexible to capture…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Kai Han , Yunhe Wang , Jianyuan Guo , Yehui Tang , Enhua Wu

Efficient neural representations for dynamic video scenes are critical for applications ranging from video compression to interactive simulations. Yet, existing methods often face challenges related to high memory usage, lengthy training…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Andrew Bond , Jui-Hsien Wang , Long Mai , Erkut Erdem , Aykut Erdem

Due to the incompleteness of knowledge graphs (KGs), zero-shot link prediction (ZSLP) which aims to predict unobserved relations in KGs has attracted recent interest from researchers. A common solution is to use textual features of…

计算与语言 · 计算机科学 2023-01-10 Mingchen Li , Junfan Chen , Samuel Mensah , Nikolaos Aletras , Xiulong Yang , Yang Ye