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The correct reconstruction of individual (crossing) nerve fibers is a prerequisite when constructing a detailed network model of the brain. The recently developed technique Scattered Light Imaging (SLI) allows the reconstruction of crossing…

Detecting where and when brain regions activate in a cognitive task or in a given clinical condition is the promise of non-invasive techniques like magnetoencephalography (MEG) or electroencephalography (EEG). This problem, referred to as…

机器学习 · 统计学 2020-11-26 Jérôme-Alexis Chevalier , Alexandre Gramfort , Joseph Salmon , Bertrand Thirion

There is an increasing interest in studying the neural interaction mechanisms behind patterns of cognitive brain activity. This paper proposes a new approach to infer such interaction mechanisms from electroencephalographic (EEG) data using…

信息论 · 计算机科学 2014-04-03 Xu Chen , Zeeshan Syed , Alfred Hero

One of the main challenges in electroencephalogram (EEG) based brain-computer interface (BCI) systems is learning the subject/session invariant features to classify cognitive activities within an end-to-end discriminative setting. We…

信号处理 · 电气工程与系统科学 2022-12-12 Andac Demir , Iya Khalil , Bulent Kiziltan

Whole brain segmentation on a structural magnetic resonance imaging (MRI) is essential in non-invasive investigation for neuroanatomy. Historically, multi-atlas segmentation (MAS) has been regarded as the de facto standard method for whole…

While functional magnetic resonance imaging (fMRI) offers valuable insights into brain activity, it is limited by high operational costs and significant infrastructural demands. In contrast, electroencephalography (EEG) provides…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Kristofer Grover Roos , Atsushi Fukuda , Quan Huu Cap

Advanced volumetric imaging methods and genetically encoded activity indicators have permitted a comprehensive characterization of whole brain activity at single neuron resolution in \textit{Caenorhabditis elegans}. The constant motion and…

定量方法 · 定量生物学 2022-10-12 Yuxiang Wu , Shang Wu , Xin Wang , Chengtian Lang , Quanshi Zhang , Quan Wen , Tianqi Xu

Magnetoencephalography (MEG) is an imaging technique used to measure the magnetic field outside the human head produced by the electrical activity inside the brain. The MEG inverse problem, identifying the location of the electrical sources…

统计计算 · 统计学 2014-08-01 Zhigang Yao , William F. Eddy

We present a deep learning solution to the problem of localization of magnetoencephalography (MEG) brain signals. The proposed deep model architectures are tuned for single and multiple time point MEG data, and can estimate varying numbers…

信号处理 · 电气工程与系统科学 2020-12-02 Dimitrios Pantazis , Amir Adler

Stereoelectroencephalography (SEEG) is a neurosurgical method to survey electrophysiological activity within the brain to treat disorders such as Epilepsy. In this stereotactic approach, leads are implanted through straight trajectories to…

神经元与认知 · 定量生物学 2023-02-09 Markus Adamek , Alexander P Rockhill , Peter Brunner , Dora Hermes

Knowing the correct skull conductivity is crucial for the accuracy of EEG source imaging, but unfortunately, its true value, which is inter- and intra-individually varying, is difficult to determine. In this paper, we propose a statistical…

We investigate the weighted Group Lasso formulation for the static inverse electroencephalography (EEG) problem, aiming at reconstructing the unknown underlying neuronal sources from voltage measurements on the scalp. By modelling the three…

数值分析 · 数学 2025-12-17 Ole Løseth Elvetun , Bjørn Fredrik Nielsen , Niranjana Sudheer

Electromagnetic medical imaging in the microwave regime is a hard problem notorious for 1) instability 2) under-determinism. This two-pronged problem is tackled with a two-pronged solution that uses double compression to maximally utilizing…

医学物理 · 物理学 2021-07-26 A. Al-Saffar , L. Guo , A. Abbosh

Electroencephalography (EEG) is a prominent non-invasive neuroimaging technique providing insights into brain function. Unfortunately, EEG data exhibit a high degree of noise and variability across subjects hampering generalizable signal…

机器学习 · 计算机科学 2023-11-15 Anders Vestergaard Nørskov , Alexander Neergaard Zahid , Morten Mørup

Electromagnetic (EM) imaging is an important tool for non-invasive sensing with low-cost and portable devices. One emerging application is EM stroke imaging, which enables early diagnosis and continuous monitoring of brain strokes.…

信号处理 · 电气工程与系统科学 2025-09-08 Rui Guo , Yi Zhang , Yhonatan Kvich , Tianyao Huang , Maokun Li , Yonina C. Eldar

In order to perform electroencephalography (EEG) source reconstruction, i.e., to localize the sources underlying a measured EEG, the electric potential distribution at the electrodes generated by a dipolar current source in the brain has to…

计算工程、金融与科学 · 计算机科学 2016-11-16 Christian Engwer , Johannes Vorwerk , Jakob Ludewig , Carsten H. Wolters

This paper presents a new toolbox for MEEG source activity and connectivity estimation: Brain Connectivity Variable Resolution Tomographic Analysis version 1.0 (BC-VARETA 1.0). It relies on the third generation of nonlinear methods for the…

Objective: Machine learning- and deep learning-based models have recently been employed in motor imagery intention classification from electroencephalogram (EEG) signals. Nevertheless, there is a limited understanding of feature selection…

信号处理 · 电气工程与系统科学 2025-04-08 Muhammad Sudipto Siam Dip , Mohammod Abdul Motin , Md. Anik Hasan , Sumaiya Kabir

Spike-and-wave discharge (SWD) pattern classification in electroencephalography (EEG) signals is a key problem in signal processing. It is particularly important to develop a SWD automatic detection method in long-term EEG recordings since…

信号处理 · 电气工程与系统科学 2020-11-02 Antonio Quintero-Rincón , Valeria Muro , Carlos D'Giano , Jorge Prendes , Hadj Batatia

Electron microscopy (EM) imaging offers unparalleled resolution for analyzing neural tissues, crucial for uncovering the intricacies of synaptic connections and neural processes fundamental to understanding behavioral mechanisms. Recently,…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Ruohua Shi , Qiufan Pang , Lei Ma , Lingyu Duan , Tiejun Huang , Tingting Jiang