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Spatial-temporal graph convolutional networks (ST-GCNs) showcase impressive performance in skeleton-based human action recognition (HAR). However, despite the development of numerous models, their recognition performance does not differ…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Jianyang Xie , Yitian Zhao , Yanda Meng , He Zhao , Anh Nguyen , Yalin Zheng

A collection of approaches based on graph convolutional networks have proven success in skeleton-based action recognition by exploring neighborhood information and dense dependencies between intra-frame joints. However, these approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Jialin Gao , Tong He , Xi Zhou , Shiming Ge

Spatial clustering is a crucial field, finding universal use across criminology, pathology, and urban planning. However, most spatial clustering algorithms cannot pull information from nearby nodes and suffer performance drops when dealing…

Machine Learning · Computer Science 2025-03-12 Aidan Gao , Junhong Lin

This paper focuses on spatiotemporal (ST) traffic prediction using graph neural networks (GNNs). Given that ST data comprises non-stationary and complex temporal patterns, interpreting and predicting such trends is inherently challenging.…

Machine Learning · Computer Science 2025-07-22 Osama Ahmad , Lukas Wesemann , Fabian Waschkowski , Zubair Khalid

Graph convolutional network based methods that model the body-joints' relations, have recently shown great promise in 3D skeleton-based human motion prediction. However, these methods have two critical issues: first, deep graph convolutions…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Maosen Li , Siheng Chen , Zijing Zhang , Lingxi Xie , Qi Tian , Ya Zhang

Spatial-temporal data, fundamental to many intelligent applications, reveals dependencies indicating causal links between present measurements at specific locations and historical data at the same or other locations. Within this context,…

Machine Learning · Computer Science 2025-01-16 Wenying Duan , Shujun Guo , Wei huang , Hong Rao , Xiaoxi He

Subspace clustering seeks to identify subspaces that segment a set of n data points into k (k<<n) groups, which has emerged as a powerful tool for analyzing data from various domains, especially images and videos. Recently, several studies…

Social and Information Networks · Computer Science 2024-11-19 Xiaoyang Lin , Renchi Yang , Haoran Zheng , Xiangyu Ke

Graph Transformers (GTs), which integrate message passing and self-attention mechanisms simultaneously, have achieved promising empirical results in graph prediction tasks. However, the design of scalable and topology-aware node…

Neural and Evolutionary Computing · Computer Science 2025-12-12 Huizhe Zhang , Jintang Li , Yuchang Zhu , Huazhen Zhong , Liang Chen

Ride-hailing demand prediction is an essential task in spatial-temporal data mining. Accurate Ride-hailing demand prediction can help to pre-allocate resources, improve vehicle utilization and user experiences. Graph Convolutional Networks…

Machine Learning · Computer Science 2022-04-19 Weiguo Pian , Yingbo Wu , Xiangmou Qu , Junpeng Cai , Ziyi Kou

Spatial transcriptomics (ST) reveals spatial heterogeneity of gene expression, yet its resolution is limited by current platforms. Recent methods enhance resolution via H&E-stained histology, but three major challenges persist: (1)…

Image and Video Processing · Electrical Eng. & Systems 2025-08-12 Xuepeng Liu , Zheng Jiang , Pinan Zhu , Hanyu Liu , Chao Li

Representation learning over graph structure data has been widely studied due to its wide application prospects. However, previous methods mainly focus on static graphs while many real-world graphs evolve over time. Modeling such evolution…

Machine Learning · Statistics 2020-09-02 Tijin Yan , Hongwei Zhang , Zirui Li , Yuanqing Xia

Strain Gauge Status (SGS) time series recognition is crucial in the field of intelligent manufacturing based on the Internet of Things, as accurate identification helps timely detection of failed mechanical components, avoiding accidents.…

Machine Learning · Computer Science 2026-02-03 Xu Zhang , Peng Wang , Chen Wang , Zhe Xu , Xiaohua Nie , Wei Wang

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

Graph convolution networks (GCNs) have achieved remarkable performance in skeleton-based action recognition. However, previous GCN-based methods rely on elaborate human priors excessively and construct complex feature aggregation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Shaojie Zhang , Jianqin Yin , Yonghao Dang , Jiajun Fu

Multi-view subspace clustering (MSC) is a popular unsupervised method by integrating heterogeneous information to reveal the intrinsic clustering structure hidden across views. Usually, MSC methods use graphs (or affinity matrices) fusion…

Machine Learning · Computer Science 2023-08-15 Yidi Wang , Xiaobing Pei , Haoxi Zhan

Efficient image compression relies on modeling both local and global redundancy. Most state-of-the-art (SOTA) learned image compression (LIC) methods are based on CNNs or Transformers, which are inherently rigid. Standard CNN kernels and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yunuo Chen , Bing He , Zezheng Lyu , Hongwei Hu , Qunshan Gu , Yuan Tian , Guo Lu

Skeleton-based action recognition is a hotspot in image processing. A key challenge of this task lies in its dependence on large, manually labeled datasets whose acquisition is costly and time-consuming. This paper devises a novel,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Hichem Sahbi

With the process of urbanization and the rapid growth of population, the issue of traffic congestion has become an increasingly critical concern. Intelligent transportation systems heavily rely on real-time and precise prediction algorithms…

Artificial Intelligence · Computer Science 2025-01-03 Zihao Jing

The recent advancement of spatial transcriptomics (ST) allows to characterize spatial gene expression within tissue for discovery research. However, current ST platforms suffer from low resolution, hindering in-depth understanding of…

Image and Video Processing · Electrical Eng. & Systems 2025-11-05 Xiaofei Wang , Xingxu Huang , Stephen J. Price , Chao Li

Scene Graph Generation, which generally follows a regular encoder-decoder pipeline, aims to first encode the visual contents within the given image and then parse them into a compact summary graph. Existing SGG approaches generally not only…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Xingning Dong , Tian Gan , Xuemeng Song , Jianlong Wu , Yuan Cheng , Liqiang Nie