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Community detection algorithms have been widely used to study the organization of complex systems like the brain. A principal appeal of these techniques is their ability to identify a partition of brain regions (or nodes) into communities,…

Neurons and Cognition · Quantitative Biology 2017-04-20 Arian Ashourvan , Qawi K. Telesford , Timothy Verstynen , Jean M. Vettel , Danielle S. Bassett

Brain network discovery aims to find nodes and edges from the spatio-temporal signals obtained by neuroimaging data, such as fMRI scans of human brains. Existing methods tend to derive representative or average brain networks, assuming…

Machine Learning · Computer Science 2023-11-07 Hang Yin , Yao Su , Xinyue Liu , Thomas Hartvigsen , Yanhua Li , Xiangnan Kong

Combining multiple modalities carrying complementary information through multimodal learning (MML) has shown considerable benefits for diagnosing multiple pathologies. However, the robustness of multimodal models to missing modalities is…

Machine Learning · Computer Science 2024-07-31 Hava Chaptoukaev , Vincenzo Marcianó , Francesco Galati , Maria A. Zuluaga

Persistent homology has been applied to brain network analysis for finding the shape of brain networks across multiple thresholds. In the persistent homology, the shape of networks is often quantified by the sequence of $k$-dimensional…

Quantitative Methods · Quantitative Biology 2018-11-13 Hyekyoung Lee , Moo K. Chung , Hongyoon Choi , Hyejin Kang , Seunggyun Ha , Yu Kyeong Kim , Dong Soo Lee

The collection of data on populations of networks is becoming increasingly common, where each data point can be seen as a realisation of a network-valued random variable. A canonical example is that of brain networks: a typical neuroimaging…

Methodology · Statistics 2021-04-13 Brieuc Lehmann , Simon White

Reconstructing seeing images from fMRI recordings is an absorbing research area in neuroscience and provides a potential brain-reading technology. The challenge lies in that visual encoding in brain is highly complex and not fully revealed.…

Neural and Evolutionary Computing · Computer Science 2021-01-29 Tao Fang , Yu Qi , Gang Pan

This paper addresses the problem of geometric scene parsing, i.e. simultaneously labeling geometric surfaces (e.g. sky, ground and vertical plane) and determining the interaction relations (e.g. layering, supporting, siding and affinity)…

Computer Vision and Pattern Recognition · Computer Science 2016-04-11 Zhanglin Peng , Ruimao Zhang , Xiaodan Liang , Xiaobai Liu , Liang Lin

Functional magnetic resonance imaging (fMRI) analysis faces significant challenges due to limited dataset sizes and domain variability between studies. Traditional self-supervised learning methods inspired by computer vision often rely on…

Image and Video Processing · Electrical Eng. & Systems 2025-10-08 Jakub Frac , Alexander Schmatz , Qiang Li , Guido Van Wingen , Shujian Yu

Brain network topology, derived from functional magnetic resonance imaging (fMRI), holds promise for improving Alzheimer's disease (AD) diagnosis. Current methods primarily focus on lower-order topological features, often overlooking the…

Geometric Topology · Mathematics 2025-09-19 Dengyi Zhao , Shanyong Li , Yunping Wang , Chenfei Wang , Zhiheng Zhou , Guiying Yan , Xingqin Qi

We propose a novel denoising framework for task functional Magnetic Resonance Imaging (tfMRI) data to delineate the high-resolution spatial pattern of the brain functional connectivity via dictionary learning and sparse coding (DLSC). In…

Machine Learning · Computer Science 2017-07-24 Seongah Jeong , Xiang Li , Jiarui Yang , Quanzheng Li , Vahid Tarokh

Mesh reconstruction is a cornerstone process across various applications, including in-silico trials, digital twins, surgical planning, and navigation. Recent advancements in deep learning have notably enhanced mesh reconstruction speeds.…

Image and Video Processing · Electrical Eng. & Systems 2025-05-22 Fengting Zhang , Boxu Liang , Qinghao Liu , Min Liu , Xiang Chen , Yaonan Wang

We propose a method that combines signals from many brain regions observed in functional Magnetic Resonance Imaging (fMRI) to predict the subject's behavior during a scanning session. Such predictions suffer from the huge number of brain…

Computer Vision and Pattern Recognition · Computer Science 2011-04-29 Vincent Michel , Alexandre Gramfort , Gaël Varoquaux , Evelyn Eger , Christine Keribin , Bertrand Thirion

Recently, end-to-end memory networks have shown promising results on Question Answering task, which encode the past facts into an explicit memory and perform reasoning ability by making multiple computational steps on the memory. However,…

Information Retrieval · Computer Science 2016-09-29 Jiaming Xu , Jing Shi , Yiqun Yao , Suncong Zheng , Bo Xu , Bo Xu

Complex problem solving is a high level cognitive process which has been thoroughly studied over the last decade. The Tower of London (TOL) is a task that has been widely used to study problem-solving. In this study, we aim to explore the…

Neurons and Cognition · Quantitative Biology 2018-10-12 Abdullah Alchihabi , Omer Ekmekci , Baran B. Kivilcim , Sharlene D. Newman , Fatos T. Yarman Vural

Group Re-identification (G-ReID) faces greater complexity than individual Re-identification (ReID) due to challenges like mutual occlusion, dynamic member interactions, and evolving group structures. Prior graph-based approaches have aimed…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Ruiqi Liu , Xingyu Liu , Xiaohao Xu , Yixuan Zhang , Yongxin Ge , Lubin Weng

The demand for accurate on-device pattern recognition in edge applications is intensifying, yet existing approaches struggle to reconcile accuracy with computational constraints. To address this challenge, a resource-aware hierarchical…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Boyu Li , Kuangji Zuo , Lincong Li , Yonghui Wu

This paper represents a contribution to the study of the brain functional connectivity from the perspective of complex networks theory. More specifically, we apply graph theoretical analyses to provide evidence of the modular structure of…

Neurons and Cognition · Quantitative Biology 2016-09-06 Giampiero Bardella , Angelo Bifone , Andrea Gabrielli , Alessandro Gozzi , Tiziano Squartini

Convolutional neural network (CNN) has achieved impressive success in computer vision during the past few decades. The image convolution operation helps CNNs to get good performance on image-related tasks. However, it also has high…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Hengyue Pan , Yixin Chen , Zhiliang Tian , Peng Qiao , Linbo Qiao , Dongsheng Li

Resting-state fMRI has been shown to provide surrogate biomarkers for the analysis of various diseases. In addition, fMRI data helps in understanding the brain's functional working during resting state and task-induced activity. To improve…

Machine Learning · Computer Science 2021-10-11 Dushyant Sahoo , Christos Davatzikos

Discovering reliable and informative relationships among brain regions from functional magnetic resonance imaging (fMRI) signals is essential in phenotypic predictions. Most of the current methods fail to accurately characterize those…

Neurons and Cognition · Quantitative Biology 2024-06-11 Weikang Qiu , Huangrui Chu , Selena Wang , Haolan Zuo , Xiaoxiao Li , Yize Zhao , Rex Ying