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相关论文: Learning Dynamic Graph Representation of Brain Con…

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Temporal Graph Networks (TGNs) have shown remarkable performance in learning representation for continuous-time dynamic graphs. However, real-world dynamic graphs typically contain diverse and intricate noise. Noise can significantly…

机器学习 · 计算机科学 2023-09-06 Siwei Zhang , Yun Xiong , Yao Zhang , Yiheng Sun , Xi Chen , Yizhu Jiao , Yangyong Zhu

We tackle classification based on brain connectivity derived from diffusion magnetic resonance images. We propose a machine-learning model inspired by graph convolutional networks (GCNs), which takes a brain connectivity input graph and…

神经元与认知 · 定量生物学 2023-09-21 Anees Kazi , Jocelyn Mora , Bruce Fischl , Adrian V. Dalca , Iman Aganj

Dynamic graph representation learning requires capturing both structural relations and temporal evolution, yet existing approaches face a core trade-off: attention-based methods offer expressiveness at $O(T^2)$ complexity, while recurrent…

机器学习 · 计算机科学 2026-05-08 Md Abrar Jahin , Taufikur Rahman Fuad , Jay Pujara , Craig Knoblock

Graph representation learning is a fundamental task in various applications that strives to learn low-dimensional embeddings for nodes that can preserve graph topology information. However, many existing methods focus on static graphs while…

机器学习 · 计算机科学 2020-11-09 Jingxin Liu , Chang Xu , Chang Yin , Weiqiang Wu , You Song

Under the framework of network-based neurodegeneration, brain functional connectome (FC)-based Graph Neural Networks (GNN) have emerged as a valuable tool for the diagnosis and prognosis of neurodegenerative diseases such as Alzheimer's…

神经元与认知 · 定量生物学 2023-07-14 Zijian Dong , Yilei Wu , Yu Xiao , Joanna Su Xian Chong , Yueming Jin , Juan Helen Zhou

Recently, methods that represent data as a graph, such as graph neural networks (GNNs) have been successfully used to learn data representations and structures to solve classification and link prediction problems. The applications of such…

机器学习 · 计算机科学 2022-10-04 Usman Mahmood , Zening Fu , Vince Calhoun , Sergey Plis

Modeling and predicting temporal point processes (TPPs) is critical in domains such as neuroscience, epidemiology, finance, and social sciences. We introduce the Spiking Dynamic Graph Network (SDGN), a novel framework that leverages the…

机器学习 · 计算机科学 2025-04-03 Biswadeep Chakraborty , Hemant Kumawat , Beomseok Kang , Saibal Mukhopadhyay

Modelling long-range dependencies is critical for scene understanding tasks in computer vision. Although convolution neural networks (CNNs) have excelled in many vision tasks, they are still limited in capturing long-range structured…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Li Zhang , Mohan Chen , Anurag Arnab , Xiangyang Xue , Philip H. S. Torr

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,…

机器学习 · 计算机科学 2025-01-16 Wenying Duan , Shujun Guo , Wei huang , Hong Rao , Xiaoxi He

In recent years, Dynamic Graph (DG) representations have been increasingly used for modeling dynamic systems due to their ability to integrate both topological and temporal information in a compact representation. Dynamic graphs allow to…

机器学习 · 计算机科学 2023-04-13 Leshanshui Yang , Sébastien Adam , Clément Chatelain

The study of functional brain connectivity (FC) is important for understanding the underlying mechanisms of many psychiatric disorders. Many recent analyses adopt graph convolutional networks, to study non-linear interactions between…

神经元与认知 · 定量生物学 2021-09-08 Simon Dahan , Logan Z. J. Williams , Daniel Rueckert , Emma C. Robinson

The surging demand for high-definition video streaming services and large neural network models (e.g., Generative Pre-trained Transformer, GPT) implies a tremendous explosion of Internet traffic. To mitigate the traffic pressure,…

人工智能 · 计算机科学 2023-03-15 Jianhang Zhu , Rongpeng Li , Xianfu Chen , Shiwen Mao , Jianjun Wu , Zhifeng Zhao

Graph neural networks (GNN) have shown significant capabilities in handling structured data, yet their application to dynamic, temporal data remains limited. This paper presents a new type of graph attention network, called TempoKGAT, which…

机器学习 · 计算机科学 2024-12-24 Lena Sasal , Daniel Busby , Abdenour Hadid

With recent advances in sensing technologies, a myriad of spatio-temporal data has been generated and recorded in smart cities. Forecasting the evolution patterns of spatio-temporal data is an important yet demanding aspect of urban…

机器学习 · 计算机科学 2023-11-27 Guangyin Jin , Yuxuan Liang , Yuchen Fang , Zezhi Shao , Jincai Huang , Junbo Zhang , Yu Zheng

Functional connectivity (FC) refers to the investigation of interactions between brain regions to understand integration of neural activity in several regions. FC is often estimated using functional magnetic resonance images (fMRI). There…

应用统计 · 统计学 2023-01-24 Nathan Tung , Jerome Sanes , Eli Upfal , Ani Eloyan

We propose a data-driven approach to represent neuronal network dynamics as a Probabilistic Graphical Model (PGM). Our approach learns the PGM structure by employing dimension reduction to network response dynamics evoked by stimuli applied…

神经元与认知 · 定量生物学 2017-11-02 Hexuan Liu , Jimin Kim , Eli Shlizerman

Modern brain imaging technologies have enabled the detailed reconstruction of human brain connectomes, capturing structural connectivity (SC) from diffusion MRI and functional connectivity (FC) from functional MRI. Understanding the…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Yee-Fan Tan , Jun Lin Liow , Pei-Sze Tan , Fuad Noman , Raphael C. -W. Phan , Hernando Ombao , Chee-Ming Ting

We present a new approach, that we call AdaGTCN, for identifying human reader intent from Electroencephalogram~(EEG) and Eye movement~(EM) data in order to help differentiate between normal reading and task-oriented reading. Understanding…

信号处理 · 电气工程与系统科学 2021-02-25 Puneet Mathur , Trisha Mittal , Dinesh Manocha

We propose a Dynamic Graph-Based Spatial-Temporal Attention (DG-STA) method for hand gesture recognition. The key idea is to first construct a fully-connected graph from a hand skeleton, where the node features and edges are then…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Yuxiao Chen , Long Zhao , Xi Peng , Jianbo Yuan , Dimitris N. Metaxas

For a given video-based Human-Object Interaction scene, modeling the spatio-temporal relationship between humans and objects are the important cue to understand the contextual information presented in the video. With the effective…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Ning Wang , Guangming Zhu , Liang Zhang , Peiyi Shen , Hongsheng Li , Cong Hua