A novel adaptive beamformer for MEG source reconstruction effective when large background brain activities exist
K Sekihara, KE Hild… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
This paper proposes a novel prewhitening eigenspace beamformer suitable for
magnetoencephalogram (MEG) source reconstruction when large background brain …
magnetoencephalogram (MEG) source reconstruction when large background brain …
Performance of an MEG adaptive-beamformer source reconstruction technique in the presence of additive low-rank interference
K Sekihara, SS Nagarajan, D Poeppel… - IEEE Transactions on …, 2004 - ieeexplore.ieee.org
The influence of external interference on neuromagnetic source reconstruction by adaptive
beamformer techniques was investigated. In our analysis, we assume that the interference …
beamformer techniques was investigated. In our analysis, we assume that the interference …
Performance of an MEG adaptive-beamformer technique in the presence of correlated neural activities: effects on signal intensity and time-course estimates
K Sekihara, SS Nagarajan, D Poeppel… - IEEE Transactions on …, 2002 - ieeexplore.ieee.org
The influence of temporarily correlated source activities on neuromagnetic reconstruction by
adaptive beamformer techniques was investigated. It is known that the spatial filter weight of …
adaptive beamformer techniques was investigated. It is known that the spatial filter weight of …
Application of an MEG eigenspace beamformer to reconstructing spatio‐temporal activities of neural sources
K Sekihara, SS Nagarajan, D Poeppel… - Human brain …, 2002 - Wiley Online Library
We have applied the eigenspace‐based beamformer to reconstruct spatio‐temporal
activities of neural sources from MEG data. The weight vector of the eigenspace‐based …
activities of neural sources from MEG data. The weight vector of the eigenspace‐based …
Reconstructing spatio-temporal activities of neural sources using an MEG vector beamformer technique
K Sekihara, SS Nagarajan, D Poeppel… - IEEE transactions on …, 2001 - ieeexplore.ieee.org
The authors have developed a method suitable for reconstructing spatio-temporal activities
of neural sources by using magnetoencephalogram (MEG) data. The method extends the …
of neural sources by using magnetoencephalogram (MEG) data. The method extends the …
MEG beamforming using Bayesian PCA for adaptive data covariance matrix regularization
Beamformers are a commonly used method for doing source localization from
magnetoencephalography (MEG) data. A key ingredient in a beamformer is the estimation of …
magnetoencephalography (MEG) data. A key ingredient in a beamformer is the estimation of …
Optimising experimental design for MEG beamformer imaging
MJ Brookes, J Vrba, SE Robinson, CM Stevenson… - Neuroimage, 2008 - Elsevier
In recent years, the use of beamformers for source localisation has significantly improved the
spatial accuracy of magnetoencephalography. In this paper, we examine techniques by …
spatial accuracy of magnetoencephalography. In this paper, we examine techniques by …
Electromagnetic brain source imaging by means of a robust minimum variance beamformer
SAH Hosseini, A Sohrabpour… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Objective: Adaptive beamformer methods that have been extensively used for functional
brain imaging using EEG/MEG (magnetoencephalography) signals are sensitive to model …
brain imaging using EEG/MEG (magnetoencephalography) signals are sensitive to model …
Reconstruction of correlated brain activity with adaptive spatial filters in MEG
Adaptive spatial filters (beamformers) have gained popularity as an effective method for the
localization of brain activity from magnetoencephalography (MEG) data. Among the …
localization of brain activity from magnetoencephalography (MEG) data. Among the …
Maximum contrast beamformer for electromagnetic mapping of brain activity
YS Chen, CY Cheng, JC Hsieh… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
Beamforming technique can be applied to map the neuronal activities from
magnetoencephalographic/electroencephalographic (MEG/EEG) recordings. One of the …
magnetoencephalographic/electroencephalographic (MEG/EEG) recordings. One of the …