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Learning complex network dynamics is fundamental to understanding, modelling and controlling real-world complex systems. There are two main problems in the task of predicting the dynamic evolution of complex networks: on the one hand,…

Artificial Intelligence · Computer Science 2025-10-14 Bicheng Wang , Junping Wang , Yibo Xue

Dynamics of human body skeletons convey significant information for human action recognition. Conventional approaches for modeling skeletons usually rely on hand-crafted parts or traversal rules, thus resulting in limited expressive power…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Sijie Yan , Yuanjun Xiong , Dahua Lin

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…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Mingyuan Shao , Zhengqiu Fu , Dingzhao Li , Fuqing Zhang , Yilin Cai , Shaohua Hong , Lin Cao , Yuan Peng , Jie Qi

A dynamic graph (DG) is frequently encountered in numerous real-world scenarios. Consequently, A dynamic graph convolutional network (DGCN) has been successfully applied to perform precise representation learning on a DG. However,…

Machine Learning · Computer Science 2025-04-23 Minglian Han

Traffic forecasting is one canonical example of spatial-temporal learning task in Intelligent Traffic System. Existing approaches capture spatial dependency with a pre-determined matrix in graph convolution neural operators. However, the…

Machine Learning · Computer Science 2022-06-08 Chen Weikang , Li Yawen , Xue Zhe , Li Ang , Wu Guobin

Forecasting the trajectories of neighbor vehicles is a crucial step for decision making and motion planning of autonomous vehicles. This paper proposes a graph-based spatial-temporal convolutional network (GSTCN) to predict future…

Machine Learning · Computer Science 2022-10-17 Zihao Sheng , Yunwen Xu , Shibei Xue , Dewei Li

In this paper, we generally formulate the dynamics prediction problem of various network systems (e.g., the prediction of mobility, traffic and topology) as the temporal link prediction task. Different from conventional techniques of…

Social and Information Networks · Computer Science 2019-01-29 Kai Lei , Meng Qin , Bo Bai , Gong Zhang , Min Yang

Temporal graph neural networks (TGNNs) outperform regular GNNs by incorporating time information into graph-based operations. However, TGNNs adopt specialized models (e.g., TGN, TGAT, and APAN ) and require tailored training frameworks…

Machine Learning · Computer Science 2024-09-19 Qiang Huang , Xiao Yan , Xin Wang , Susie Xi Rao , Zhichao Han , Fangcheng Fu , Wentao Zhang , Jiawei Jiang

Model-based control methods for robotic systems such as quadrotors, autonomous driving vehicles and flexible manipulators require motion models that generate accurate predictions of complex nonlinear system dynamics over long periods of…

Robotics · Computer Science 2021-10-11 Samuel Looper , Steven L. Waslander

Short-term traffic flow prediction is a vital branch of the Intelligent Traffic System (ITS) and plays an important role in traffic management. Graph convolution network (GCN) is widely used in traffic prediction models to better deal with…

Machine Learning · Computer Science 2022-05-11 Zhijun Chen , Zhe Lu , Qiushi Chen , Hongliang Zhong , Yishi Zhang , Jie Xue , Chaozhong Wu

Predicting the future paths of an agent's neighbors accurately and in a timely manner is central to the autonomous applications for collision avoidance. Conventional approaches, e.g., LSTM-based models, take considerable computational costs…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Chengxin Wang , Shaofeng Cai , Gary Tan

Accurate traffic demand forecasting enables transportation management departments to allocate resources more effectively, thereby improving their utilization efficiency. However, complex spatiotemporal relationships in traffic systems…

Machine Learning · Computer Science 2025-07-04 Siqing Long , Xiangzhi Huang , Jiemin Xie , Ming Cai

Modeling complex spatial and temporal correlations in the correlated time series data is indispensable for understanding the traffic dynamics and predicting the future status of an evolving traffic system. Recent works focus on designing…

Machine Learning · Computer Science 2020-10-23 Lei Bai , Lina Yao , Can Li , Xianzhi Wang , Can Wang

Spatio-temporal graph signal analysis has a significant impact on a wide range of applications, including hand/body pose action recognition. To achieve effective analysis, spatio-temporal graph convolutional networks (ST-GCN) leverage the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zida Cheng , Siheng Chen , Ya Zhang

We study nonlinear dynamics of the Earth's tropical climate system. For that, we apply a recently developed technique for feature extraction and mode decomposition of spatiotemporal data generated by ergodic dynamical systems. The method…

Atmospheric and Oceanic Physics · Physics 2017-11-08 Joanna Slawinska , Eniko Szekely , Dimitrios Giannakis

This study focuses on multi-step spatio-temporal wind speed forecasting for the Norwegian continental shelf. The study aims to leverage spatial dependencies through the relative physical location of different measurement stations to improve…

Machine Learning · Computer Science 2023-01-02 Lars Ødegaard Bentsen , Narada Dilp Warakagoda , Roy Stenbro , Paal Engelstad

Accurate spatiotemporal forecasting is critical for numerous complex systems but remains challenging due to complex volatility patterns and spectral entanglement in conventional graph neural networks (GNNs). While decomposition-integrated…

Machine Learning · Computer Science 2025-09-03 Osama Ahmad , Lukas Wesemann , Fabian Waschkowski , Zubair Khalid

Accurate forecasting of citywide traffic flow has been playing critical role in a variety of spatial-temporal mining applications, such as intelligent traffic control and public risk assessment. While previous work has made significant…

Machine Learning · Computer Science 2021-10-11 Xiyue Zhang , Chao Huang , Yong Xu , Lianghao Xia , Peng Dai , Liefeng Bo , Junbo Zhang , Yu Zheng

In the field of domain generalization, the task of constructing a predictive model capable of generalizing to a target domain without access to target data remains challenging. This problem becomes further complicated when considering…

Machine Learning · Computer Science 2024-02-16 Qiuhao Zeng , Wei Wang , Fan Zhou , Gezheng Xu , Ruizhi Pu , Changjian Shui , Christian Gagne , Shichun Yang , Boyu Wang , Charles X. Ling

Graph convolutional networks (GCNs) have emerged as a powerful tool for skeleton-based action and gesture recognition, thanks to their ability to model spatial and temporal dependencies in skeleton data. However, existing GCN-based methods…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Hu Cui , Renjing Huang , Ruoyu Zhang , Tessai Hayama