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In this paper, a dynamic dual-graph fusion convolutional network is proposed to improve Alzheimer's disease (AD) diagnosis performance. The following are the paper's main contributions: (a) propose a novel dynamic GCN architecture, which is…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Fanshi Li , Zhihui Wang , Yifan Guo , Congcong Liu , Yanjie Zhu , Yihang Zhou , Jun Li , Dong Liang , Haifeng Wang

Currently, every 1 in 54 children have been diagnosed with Autism Spectrum Disorder (ASD), which is 178% higher than it was in 2000. An early diagnosis and treatment can significantly increase the chances of going off the spectrum and…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Spencer He , Ryan Liu

Graph Convolutional Networks (GCNs) have been widely studied for compact data representation and semi-supervised learning tasks. However, existing GCNs usually use a fixed neighborhood graph which is not guaranteed to be optimal for…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Bo Jiang , Leiling Wang , Jin Tang , Bin Luo

This paper presents a methodology for image classification using Graph Neural Network (GNN) models. We transform the input images into region adjacency graphs (RAGs), in which regions are superpixels and edges connect neighboring…

Recently, Graph Convolutional Network (GCN) has been widely used in Hyperspectral Image (HSI) classification due to its satisfactory performance. However, the number of labeled pixels is very limited in HSI, and thus the available…

计算机视觉与模式识别 · 计算机科学 2023-05-03 Wentao Yu , Sheng Wan , Guangyu Li , Jian Yang , Chen Gong

Convolutional neural networks (CNNs) have been widely used for hyperspectral image classification. As a common process, small cubes are firstly cropped from the hyperspectral image and then fed into CNNs to extract spectral and spatial…

图像与视频处理 · 电气工程与系统科学 2020-06-15 Renlong Hang , Zhu Li , Qingshan Liu , Pedram Ghamisi , Shuvra S. Bhattacharyya

Compared to sequential learning models, graph-based neural networks exhibit excellent ability in capturing global information and have been used for semi-supervised learning tasks. Most Graph Convolutional Networks are designed with the…

计算与语言 · 计算机科学 2022-04-12 Kunze Wang , Soyeon Caren Han , Siqu Long , Josiah Poon

Recent advances in machine learning have demonstrated an enormous utility of deep learning approaches, particularly Graph Neural Networks (GNNs) for materials science. These methods have emerged as powerful tools for high-throughput…

计算物理 · 物理学 2025-05-23 Junchi Liu , Ying Tang , Sergei Tretiak , Wenhui Duan , Liujiang Zhou

In recent years, models based on Graph Convolutional Networks (GCN) have made significant strides in the field of graph data analysis. However, challenges such as over-smoothing and over-compression remain when handling large-scale and…

机器学习 · 计算机科学 2025-07-23 Binxiong Li , Xu Xiang , Xue Li , Binyu Zhao , Heyang Gao , Qinyu Zhao

Graph Comparative Learning (GCL) is a self-supervised method that combines the advantages of Graph Convolutional Networks (GCNs) and comparative learning, making it promising for learning node representations. However, the GCN encoders used…

机器学习 · 计算机科学 2023-12-12 Ruyue Liu , Rong Yin , Yong Liu , Weiping Wang

Agriculture plays a critical role in the global economy, providing livelihoods and ensuring food security for billions. As innovative agricultural practices become more widespread, the risk of crop diseases has increased, highlighting the…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Shyam Sundhar , Riya Sharma , Priyansh Maheshwari , Suvidha Rupesh Kumar , T. Sunil Kumar

Attention Branch Networks (ABNs) have been shown to simultaneously provide visual explanation and improve the performance of deep convolutional neural networks (CNNs). In this work, we introduce Multi-Scale Attention Branch Networks…

计算机视觉与模式识别 · 计算机科学 2023-06-28 Ankit Gupta , Ida-Maria Sintorn

Graph convolutional networks (GCNs), which generalize CNNs to more generic non-Euclidean structures, have achieved remarkable performance for skeleton-based action recognition. However, there still exist several issues in the previous…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Lei Shi , Yifan Zhang , Jian Cheng , Hanqing Lu

Graph Neural Networks (GNN) has demonstrated the superior performance in many challenging applications, including the few-shot learning tasks. Despite its powerful capacity to learn and generalize the model from few samples, GNN usually…

机器学习 · 计算机科学 2020-10-05 Hao Cheng , Joey Tianyi Zhou , Wee Peng Tay , Bihan Wen

Designing spectral convolutional networks is a challenging problem in graph learning. ChebNet, one of the early attempts, approximates the spectral graph convolutions using Chebyshev polynomials. GCN simplifies ChebNet by utilizing only the…

机器学习 · 计算机科学 2024-03-13 Mingguo He , Zhewei Wei , Ji-Rong Wen

In this paper, we propose the Graph-Learning-Dual Graph Convolutional Neural Network called GLDGCN based on the classic Graph Convolutional Neural Network(GCN) by introducing dual convolutional layer and graph learning layer. We apply…

机器学习 · 计算机科学 2024-04-26 Zibin Huang , Jun Xian

Diagnosing Autism Spectrum Disorder (ASD) is a challenging problem, and is based purely on behavioral descriptions of symptomology (DSM-5/ICD-10), and requires informants to observe children with disorder across different settings (e.g.…

神经元与认知 · 定量生物学 2020-03-04 Taban Eslami , Joseph S. Raiker , Fahad Saeed

We present Adaptive Multi-layer Contrastive Graph Neural Networks (AMC-GNN), a self-supervised learning framework for Graph Neural Network, which learns feature representations of sample data without data labels. AMC-GNN generates two graph…

机器学习 · 计算机科学 2023-11-30 Shuhao Shi , Pengfei Xie , Xu Luo , Kai Qiao , Linyuan Wang , Jian Chen , Bin Yan

Graph Anomaly Detection (GAD) in heterogeneous networks presents unique challenges due to node and edge heterogeneity. Existing Graph Neural Network (GNN) methods primarily focus on homogeneous GAD and thus fail to address three key issues:…

机器学习 · 计算机科学 2025-05-27 Xiping Li , Xiangyu Dong , Xingyi Zhang , Kun Xie , Yuanhao Feng , Bo Wang , Guilin Li , Wuxiong Zeng , Xiujun Shu , Sibo Wang

Alzheimer's Disease (AD) is a currently incurable neurodegeneartive disease. Accurately detecting AD, especially in the early stage, represents a high research priority. AD is characterized by progressive cognitive impairments that are…

机器学习 · 计算机科学 2024-08-08 Wenqi Zhu , Yinghua Fu , Ze Wang