中文
相关论文

相关论文: PFGNet: A Fully Convolutional Frequency-Guided Per…

200 篇论文

We present a spatial-temporal federated learning framework for graph neural networks, namely STFL. The framework explores the underlying correlation of the input spatial-temporal data and transform it to both node features and adjacency…

机器学习 · 计算机科学 2022-01-12 Guannan Lou , Yuze Liu , Tiehua Zhang , Xi Zheng

Modeling high-frequency information is a critical challenge in scientific machine learning. For instance, fully turbulent flow simulations of the Navier-Stokes equations at Reynolds numbers 3500 and above can generate high-frequency signals…

机器学习 · 计算机科学 2026-01-13 Marimuthu Kalimuthu , David Holzmüller , Mathias Niepert

Multivariate time-series forecasting plays a crucial role in many real-world applications. It is a challenging problem as one needs to consider both intra-series temporal correlations and inter-series correlations simultaneously. Recently,…

机器学习 · 计算机科学 2021-03-16 Defu Cao , Yujing Wang , Juanyong Duan , Ce Zhang , Xia Zhu , Conguri Huang , Yunhai Tong , Bixiong Xu , Jing Bai , Jie Tong , Qi Zhang

Accurately forecasting the real-time travel demand for dockless scooter-sharing is crucial for the planning and operations of transportation systems. Deep learning models provide researchers with powerful tools to achieve this task, but…

计算机与社会 · 计算机科学 2024-10-28 Yiming Xu , Xilei Zhao , Xiaojian Zhang , Mudit Paliwal

We introduce two federated learning frameworks for the classical SPDnet model operating on symmetric positive definite (SPD) matrices with Stiefel-constrained parameters. Unlike standard Euclidean averaging, which violates orthogonality,…

机器学习 · 统计学 2026-04-27 Thibault Pautrel , Florent Bouchard , Ammar Mian , Guillaume Ginolhac

Humans learn multiple tasks in succession with minimal mutual interference, through the context gating mechanism in the prefrontal cortex (PFC). The brain-inspired models of spiking neural networks (SNN) have drawn massive attention for…

神经与进化计算 · 计算机科学 2024-06-05 Jiangrong Shen , Wenyao Ni , Qi Xu , Gang Pan , Huajin Tang

Spatial-temporal graphs are widely used in a variety of real-world applications. Spatial-Temporal Graph Neural Networks (STGNNs) have emerged as a powerful tool to extract meaningful insights from this data. However, in real-world…

机器学习 · 计算机科学 2024-12-18 Zhenyu Lei , Yushun Dong , Jundong Li , Chen Chen

Short-term demand forecasting models commonly combine convolutional and recurrent layers to extract complex spatiotemporal patterns in data. Long-term histories are also used to consider periodicity and seasonality patterns as time series…

机器学习 · 计算机科学 2019-10-15 Doyup Lee , Suehun Jung , Yeongjae Cheon , Dongil Kim , Seungil You

Spatial-temporal network traffic forecasting is a challenging task due to the complex spatial relationships and dynamic temporal patterns present in each node. Traditional regression methods are not directly applicable to such graph data.…

信息检索 · 计算机科学 2026-05-12 Jinming Xing , Guoheng Sun , Hui Sun , Linchao Pan , Shakir Mahmood , Xuanhao Luo , Muhammad Shahzad

Graph convolutional networks (GCNs) have well-documented performance in various graph learning tasks, but their analysis is still at its infancy. Graph scattering transforms (GSTs) offer training-free deep GCN models that extract features…

信号处理 · 电气工程与系统科学 2020-01-28 Vassilis N. Ioannidis , Siheng Chen , Georgios B. Giannakis

Traffic flow forecasting is a crucial task in urban computing. The challenge arises as traffic flows often exhibit intrinsic and latent spatio-temporal correlations that cannot be identified by extracting the spatial and temporal patterns…

机器学习 · 计算机科学 2022-02-02 Song Yang , Jiamou Liu , Kaiqi Zhao

Spiking Neural Networks (SNNs) demonstrate significant potential for energy-efficient neuromorphic computing through an event-driven paradigm. While training methods and computational models have greatly advanced, SNNs struggle to achieve…

神经与进化计算 · 计算机科学 2025-10-27 Jieyuan Zhang , Xiaolong Zhou , Shuai Wang , Wenjie Wei , Hanwen Liu , Qian Sun , Malu Zhang , Yang Yang , Haizhou Li

Semantic segmentation is a challenging task that needs to handle large scale variations, deformations and different viewpoints. In this paper, we develop a novel network named Gated Path Selection Network (GPSNet), which aims to learn…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Qichuan Geng , Hong Zhang , Xiaojuan Qi , Ruigang Yang , Zhong Zhou , Gao Huang

Temporal Graph Neural Networks (TGNNs) are powerful models to capture temporal, structural, and contextual information on temporal graphs. The generated temporal node embeddings outperform other methods in many downstream tasks. Real-world…

硬件体系结构 · 计算机科学 2022-03-11 Hongkuan Zhou , Bingyi Zhang , Rajgopal Kannan , Viktor Prasanna , Carl Busart

Recently the Transformer structure has shown good performances in graph learning tasks. However, these Transformer models directly work on graph nodes and may have difficulties learning high-level information. Inspired by the vision…

机器学习 · 计算机科学 2023-04-11 Han Gao , Xu Han , Jiaoyang Huang , Jian-Xun Wang , Li-Ping Liu

Spatio-temporal prediction is a pivotal task with broad applications in traffic management, climate monitoring, energy scheduling, etc. However, existing methodologies often struggle to balance model expressiveness and computational…

机器学习 · 计算机科学 2025-05-27 Jiawen Chen , Qi Shao , Duxin Chen , Wenwu Yu

Point cloud sequences are irregular and unordered in the spatial dimension while exhibiting regularities and order in the temporal dimension. Therefore, existing grid based convolutions for conventional video processing cannot be directly…

计算机视觉与模式识别 · 计算机科学 2022-05-30 Hehe Fan , Xin Yu , Yuhang Ding , Yi Yang , Mohan Kankanhalli

As the development of cities, traffic congestion becomes an increasingly pressing issue, and traffic prediction is a classic method to relieve that issue. Traffic prediction is one specific application of spatio-temporal prediction…

机器学习 · 计算机科学 2023-11-01 Maoxiang Sun , Weilong Ding , Tianpu Zhang , Zijian Liu , Mengda Xing

Vast amount of data generated from networks of sensors, wearables, and the Internet of Things (IoT) devices underscores the need for advanced modeling techniques that leverage the spatio-temporal structure of decentralized data due to the…

机器学习 · 计算机科学 2021-06-10 Chuizheng Meng , Sirisha Rambhatla , Yan Liu

Automatic Modulation Recognition (AMR) is an essential part of Intelligent Transportation System (ITS) dynamic spectrum allocation. However, current deep learning-based AMR (DL-AMR) methods are challenged to extract discriminative and…

信号处理 · 电气工程与系统科学 2025-08-19 Mingyuan Shao , Zhengqiu Fu , Dingzhao Li , Fuqing Zhang , Yilin Cai , Shaohua Hong , Lin Cao , Yuan Peng , Jie Qi