中文
相关论文

相关论文: Graph-Based Method for Anomaly Prediction in Brain…

200 篇论文

Graph representation learning is a fundamental research theme and can be generalized to benefit multiple downstream tasks from the node and link levels to the higher graph level. In practice, it is desirable to develop task-agnostic general…

机器学习 · 计算机科学 2023-12-12 Hanxuan Yang , Qingchao Kong , Wenji Mao

It has become increasingly popular to study the brain as a network due to the realization that functionality cannot be explained exclusively by independent activation of specialized regions. Instead, across a large spectrum of behaviors,…

神经元与认知 · 定量生物学 2014-07-22 Petko Bogdanov , Nazli Dereli , Danielle S. Bassett , Scott T. Grafton , Ambuj K. Singh

-Background. Network neuroscience examines the brain as a complex system represented by a network (or connectome), providing deeper insights into the brain morphology and function, allowing the identification of atypical brain connectivity…

神经元与认知 · 定量生物学 2020-09-01 Mert Lostar , Islem Rekik

Resting-state functional magnetic resonance imaging (rs-fMRI) is a noninvasive technique pivotal for understanding human neural mechanisms of intricate cognitive processes. Most rs-fMRI studies compute a single static functional…

Unsupervised anomaly detection (UAD) based on deep generative modelling has been increasingly explored for identifying pathological brain abnormalities without requiring voxel-level annotations. By learning the distribution of healthy…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Youwan Mahé , Elise Bannier , Stéphanie Leplaideur , Elisa Fromont , Francesca Galassi

Evaluating similarity between graphs is of major importance in several computer vision and pattern recognition problems, where graph representations are often used to model objects or interactions between elements. The choice of a distance…

计算机视觉与模式识别 · 计算机科学 2017-06-15 Sofia Ira Ktena , Sarah Parisot , Enzo Ferrante , Martin Rajchl , Matthew Lee , Ben Glocker , Daniel Rueckert

The use of supervised deep learning techniques to detect pathologies in brain MRI scans can be challenging due to the diversity of brain anatomy and the need for annotated data sets. An alternative approach is to use unsupervised anomaly…

图像与视频处理 · 电气工程与系统科学 2023-03-08 Finn Behrendt , Debayan Bhattacharya , Julia Krüger , Roland Opfer , Alexander Schlaefer

Although great advances in the analysis of neuroimaging data have been made, a major challenge is a lack of training data. This is less problematic in tasks such as diagnosis, where much data exists, but particularly prevalent in harder…

信号处理 · 电气工程与系统科学 2025-02-26 Thomas Screven , Andras Necz , Jason Smucny , Ian Davidson

Graphs are a fundamental abstraction for modeling relational data. However, graphs are discrete and combinatorial in nature, and learning representations suitable for machine learning tasks poses statistical and computational challenges. In…

机器学习 · 统计学 2019-05-16 Aditya Grover , Aaron Zweig , Stefano Ermon

MRI-based modeling of brain networks has been widely used to understand functional and structural interactions and connections among brain regions, and factors that affect them, such as brain development and disease. Graph mining on brain…

机器学习 · 计算机科学 2022-05-18 Haoteng Tang , Xiyao Fu , Lei Guo , Yalin Wang , Scott Mackin , Olusola Ajilore , Alex Leow , Paul Thompson , Heng Huang , Liang Zhan

Graph Neural Networks (GNNs) are important across different domains, such as social network analysis and recommendation systems, due to their ability to model complex relational data. This paper introduces subgraph queries as a new task for…

机器学习 · 计算机科学 2024-08-09 Erfaneh Mahmoudzadeh , Parmis Naddaf , Kiarash Zahirnia , Oliver Schulte

Functional magnetic resonance imaging (fMRI) has been commonly used to construct functional connectivity networks (FCNs) of the human brain. TFCNs are primarily limited to quantifying pairwise relationships between ROIs ignoring higher…

信号处理 · 电气工程与系统科学 2025-07-15 Duc Vu , Selin Aviyente

Graph neural networks (GNNs) have demonstrated success in learning representations of brain graphs derived from functional magnetic resonance imaging (fMRI) data. However, existing GNN methods assume brain graphs are static over time and…

机器学习 · 计算机科学 2023-07-11 Alexander Campbell , Antonio Giuliano Zippo , Luca Passamonti , Nicola Toschi , Pietro Lio

Brain regions are often topographically connected: nearby locations within one brain area connect with nearby locations in another area. Mapping these connection topographies, or 'connectopies' in short, is crucial for understanding how…

定量方法 · 定量生物学 2017-07-18 Koen V. Haak , Andre F. Marquand , Christian F. Beckmann

In recent years, deep learning models have been applied to neuroimaging data for early diagnosis of Alzheimer's disease (AD). Structural magnetic resonance imaging (sMRI) and positron emission tomography (PET) images provide structural and…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Yanteng Zhanga , Xiaohai He , Yi Hao Chan , Qizhi Teng , Jagath C. Rajapakse

Graph neural networks have been used for a variety of learning tasks, such as link prediction, node classification, and node clustering. Among them, link prediction is a relatively under-studied graph learning task, with current…

机器学习 · 计算机科学 2022-08-29 Xinxing Wu , Qiang Cheng

Graph Neural Networks (GNNs) have emerged as a powerful tool to learn from graph-structured data. A paramount example of such data is the brain, which operates as a network, from the micro-scale of neurons, to the macro-scale of regions.…

机器学习 · 计算机科学 2022-11-17 Ahmed ElGazzar , Rajat Thomas , Guido van Wingen

The application of graph theory to model the complex structure and function of the brain has shed new light on its organization and function, prompting the emergence of network neuroscience. Despite the tremendous progress that has been…

信号处理 · 电气工程与系统科学 2020-09-29 Giulia Lioi , Vincent Gripon , Abdelbasset Brahim , François Rousseau , Nicolas Farrugia

Autism Spectrum Disorder (ASD) is a prevalent neurological disorder. However, the multi-faceted symptoms and large individual differences among ASD patients are hindering the diagnosis process, which largely relies on subject descriptions…

神经元与认知 · 定量生物学 2024-11-11 Yuzhe Chen , Dayu Qin , Ercan Engin Kuruoglu

Deep learning methods for graphs achieve remarkable performance on many node-level and graph-level prediction tasks. However, despite the proliferation of the methods and their success, prevailing Graph Neural Networks (GNNs) neglect…

机器学习 · 计算机科学 2020-11-10 Emily Alsentzer , Samuel G. Finlayson , Michelle M. Li , Marinka Zitnik