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We study the distribution of brain source from the most advanced brain imaging technique, Magnetoencephalography (MEG), which measures the magnetic fields outside the human head produced by the electrical activity inside the brain. Common…

应用统计 · 统计学 2019-08-13 Zhigang Yao , Zengyan Fan , Masahito Hayashi , William F. Eddy

Magnetoencephalography (MEG) provides dynamic spatial-temporal insight of neural activities in the cortex. Because the number of possible sources is far greater than the number of MEG detectors, the proposition to localize sources directly…

定量方法 · 定量生物学 2009-03-06 Hung-I Pai , Chih-Yuan Tseng , H. C. Lee

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

This paper proposes a new loss using short-time Fourier transform (STFT) spectra for the aim of training a high-performance neural speech waveform model that predicts raw continuous speech waveform samples directly. Not only amplitude…

音频与语音处理 · 电气工程与系统科学 2018-10-31 Shinji Takaki , Toru Nakashika , Xin Wang , Junichi Yamagishi

Recently, we proposed short-time Fourier transform (STFT)-based loss functions for training a neural speech waveform model. In this paper, we generalize the above framework and propose a training scheme for such models based on spectral…

音频与语音处理 · 电气工程与系统科学 2019-04-09 Shinji Takaki , Hirokazu Kameoka , Junichi Yamagishi

Magnetoencephalography (MEG) is a powerful technique for studying the human brain function. However, accurately estimating the number of sources that contribute to the MEG recordings remains a challenging problem due to the low…

信号处理 · 电气工程与系统科学 2023-09-22 Amita Giri , John C. Mosher , Amir Adler , Dimitrios Pantazis

Magnetoencephalography (MEG) is an advanced imaging technique used to measure the magnetic fields outside the human head produced by the electrical activity inside the brain. Various source localization methods in MEG require the knowledge…

统计方法学 · 统计学 2017-07-06 Zhigang Yao , Ye Zhang , Zhidong Bai , William F. Eddy

Cross-subject motor imagery (CS-MI) classification in brain-computer interfaces (BCIs) is a challenging task due to the significant variability in Electroencephalography (EEG) patterns across different individuals. This variability often…

机器学习 · 计算机科学 2025-07-04 Ahmed G. Habashi , Ahmed M. Azab , Seif Eldawlatly , Gamal M. Aly

Magnetoencephalography and electroencephalography (M/EEG) are non-invasive modalities that measure the weak electromagnetic fields generated by neural activity. Estimating the location and magnitude of the current sources that generated…

机器学习 · 统计学 2019-10-16 Hicham Janati , Thomas Bazeille , Bertrand Thirion , Marco Cuturi , Alexandre Gramfort

Current non-invasive neuroimaging techniques trade off between spatial resolution and temporal resolution. While magnetoencephalography (MEG) can capture rapid neural dynamics and functional magnetic resonance imaging (fMRI) can spatially…

神经元与认知 · 定量生物学 2025-10-13 Beige Jerry Jin , Leila Wehbe

Magnetoencephalography (MEG) is a noninvasive method for measuring magnetic flux signals caused by brain activity using sensor arrays located on or above the scalp. A common strategy for monitoring brain activity is to place sensors on a…

医学物理 · 物理学 2022-05-24 Wan-Jin Yeo , Samu Taulu , J. Nathan Kutz

The short-time Fourier transform (STFT) is widely used for analyzing non-stationary signals. However, its performance is highly sensitive to its parameters, and manual or heuristic tuning often yields suboptimal results. To overcome this…

声音 · 计算机科学 2025-06-27 Maxime Leiber , Yosra Marnissi , Axel Barrau , Sylvain Meignen , Laurent Massoulié

Magnetoencephalography (MEG) and electroencephalogra-phy (EEG) are non-invasive modalities that measure the weak electromagnetic fields generated by neural activity. Inferring the location of the current sources that generated these…

机器学习 · 统计学 2019-02-14 Hicham Janati , Thomas Bazeille , Bertrand Thirion , Marco Cuturi , Alexandre Gramfort

We present a novel solution to the problem of localizing magnetoencephalography (MEG) and electroencephalography (EEG) brain signals. The solution is sequential and iterative, and is based on minimizing the least-squares criterion by the…

信号处理 · 电气工程与系统科学 2022-02-03 Amir Adler , Mati Wax , Dimitrios Pantazis

Accurate electroencephalography (EEG) and magnetoencephalography (MEG) source localization and reconstruction are essential for understanding brain function, yet remain challenging because the underlying EEG/MEG inverse problem is…

最优化与控制 · 数学 2026-04-29 Julia Jurkowska , Joanna Dreszer , Monika Lewandowska , Krzysztof Tołpa , Tomasz Piotrowski

Transfer learning makes use of data or knowledge in one problem to help solve a different, yet related, problem. It is particularly useful in brain-computer interfaces (BCIs), for coping with variations among different subjects and/or…

人机交互 · 计算机科学 2020-05-12 Wen Zhang , Dongrui Wu

Modelling the complex spatiotemporal patterns of large-scale brain dynamics is crucial for neuroscience, but traditional methods fail to capture the rich structure in modalities such as magnetoencephalography (MEG). Recent advances in deep…

机器学习 · 计算机科学 2025-10-22 Rukuang Huang , Sungjun Cho , Chetan Gohil , Oiwi Parker Jones , Mark Woolrich

Background: Cardiac resynchronization therapy (CRT) has emerged as an effective treatment for heart failure patients with electrical dyssynchrony. However, accurately predicting which patients will respond to CRT remains a challenge. This…

信号处理 · 电气工程与系统科学 2023-06-05 Zhuo He , Hongjin Si , Xinwei Zhang , Qing-Hui Chen , Jiangang Zou , Weihua Zhou

The Electro-Encephalo-Graphy (EEG) technique consists of estimating the cortical distribution of signals over time of electrical activity and also of locating the zones of primary sensory projection. Moreover, it is able to record…

信号处理 · 电气工程与系统科学 2021-12-02 Ridha jarray , Abir Hadriche , Cokri ben Amar , Nawel Jmail
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