Scientific Commons: Hans Hallez

Validation of the Two-Level Approach for the Solution of the EEG Inverse Problem in an Anisotropic Realistic Head Model (2009)

Crevecoeur, Guillaume, Hallez, Hans, Dupré, Luc, Van De Walle, Rik, Boon, Paul, Lemahieu, Ignace

The electrical activity of a neurological epileptic disorder can be determined in a noninvasive way by analyzing the electroencephalogram (EEG). The EEG source localization procedure requires the...

Development of a realistic head model for EEG event-detection and source localization in newborn infants (2009)

Despotovic, Ivana, Deburchgraeve, Wouter, Hallez, Hans, Vansteenkiste, Ewout, Philips, Wilfried

Removing muscle and eye artifacts using blind source seperation techniques in ictal EEG source imaging (2009)

Hallez, Hans, De Vos, Maarten, Vanrumste, Bart, Van Hese, Peter, Assecondi, Sara, Van Laere, Koen, ...

Feasibility study of the time-variant functional connectivity pattern during an epileptic seizure (2009)

Van Mierlo, Pieter, Hallez, Hans, Assecondi, Sara, Staelens, Steven, Carrette, Evelien, Lemahieu, Ignace, ...

Feasibility of incorporating a priori information in ictal EEG source localization of patients suffering from epilepsy (2009)

Hallez, Hans, Crevecoeur, Guillaume, Van Laere, Koen, Van Paesschen, Wim, Dupré, Luc, Van Huffel, Sabine, ...

Dipole estimation errors due to not incorporating anisotropic conductivities in realistic head models for EEG source analysis (2009)

Hallez, Hans, Staelens, Steven, Lemahieu, Ignace

EEG source analysis is a valuable tool for brain functionality research and for diagnosing neurological disorders, such as epilepsy. It requires a geometrical representation of the human head or a...

A multimodal post processing framework for activation studies of the rat brain (2009)

Staelens, Steven, Wyckhuys, Tine, Deleye, Steven, Hallez, Hans, Vandenberghe, Stefaan, Van Nieuwenhuyse, Bregt, ...

Removal of the ballistocardiographic artifact from EEG-fMRI data : a canonical correlation approach (2009)

Assecondi, Sara, Hallez, Hans, Staelens, Steven, Bianchi, Anna, Huiskamp, Geert-Jan, Lemahieu, Ignace

The simultaneous recording of electroencephalogram (EEG) and functional magnetic resonance imaging (fMRI) can give new insights into how the brain functions. However, the strong electromagnetic field...

Influence of anisotropic conductivities in EEG source estimation in patients with epilepsy (2009)

Hallez, Hans, Vanrumste, Bart, Van Hese, Peter, Staelens, Steven, Lemahieu, Ignace

Development of a realistic head model for EEG event-detection and source localization in newborn infants (2009)

Despotovic, Ivana, Deburchgraeve, Wouter, Hallez, Hans, Vansteenkiste, Ewout, Philips, Wilfried

In this work we present an integrated method for electroencephalography (EEG) source localization in newborn infants, based on a realistic head model. To build a realistic head model we propose an...

Detection of focal epileptiform events in the EEG by spatio-temporal dipole clustering (2008)

Hallez, Hans, Carroll, Grant J, Vonck, Kristl, Jones, Richard D, ...

Objective: Methods for the detection of epileptiform events can be broadly divided into two main categories: temporal detection methods that exploit the EEG's temporal characteristics, and spatial...

INSTITUTE OF PHYSICS PUBLISHING PHYSICS IN MEDICINE AND BIOLOGY (2008)

Hans Hallez, Bart Vanrumste, Peter Van Hese, Ignace Lemahieu

A finite difference method with reciprocity used to incorporate anisotropy in electroencephalogram

EEG source analysis using space mapping techniques (2008)

Crevecoeur, Guillaume, Hallez, Hans, Van Hese, Peter, D'Asseler, Yves, Dupré, Luc, DE WALLE, RV

Dipole estimation errors due to differences in modeling anisotropic conductivities in realistic head models for EEG source analysis (2008)

Hallez, Hans, Vanrumste, Bart, Van Hese, Peter, Delputte, Steven, Lemahieu, Ignace

A hybrid algorithm for solving the EEG inverse problem from spatio-temporal EEG data (2008)

Crevecoeur, Guillaume, Hallez, Hans, Van Hese, Peter, D'Asseler, Yves, Dupré, Luc, Van De Walle, Rik

Detection of focal epileptiform events in the EEG by spatio-temporal dipole clustering (2008)

Van Hese, Peter, Vanrumste, Bart, Hallez, Hans, Carroll, Grant, Vonck, Kristl, Jones, Richard, ...

Objective: Methods for the detection of epileptiform events can be broadly divided into two main categories: temporal detection methods that exploit the EEG's temporal characteristics, and spatial...

Ballistocardiographic artifact removal from simultaneous EEG/FMRI recording by means of canonical correlation analysis (2008)

Assecondi, Sara, Van Hese, Peter, Hallez, Hans, D'Asseler, Yves, Lemahieu, Ignace, Bianchi, A., ...

The electroencephalogram (EEG) is a standard technique to record and study the brain activity with a high temporal resolution. Blood oxygenation level dependent functional magnetic resonance imaging...

Blind source separation to remove BCG artifact from EEG/fMRI data (2008)

Assecondi, Sara, Hallez, Hans, Van Hese, Peter, Bianchi, A, Staelens, Steven, Boon, Paul, ...

Review on solving the forward problem in EEG source analysis (2007)

Hallez, Hans, Vanrumste, Bart, Grech, Roberta, Muscat, Joseph, De Clercq, Wim, Vergult, Anneleen, ...

Abstract Background The aim of electroencephalogram (EEG) source localization is to find the brain areas responsible for EEG waves of interest. It consists of solving forward and inverse problems....

Influence of noise on EEG source analysis using space mapping techniques (2007)

Crevecoeur, Guillaume, Hallez, Hans, Van Hese, Peter, D'Asseler, Yves, Dupré, Luc, Van De Walle, Rik

Medical display simulation chain (MEDISIC) : preliminary results (2007)

MARCHESSOUX, C, KIMPE, T, Hallez, Hans, Goossens, Bart, Vansteenkiste, Ewout, Bert, Tom, ...

Can dipole modelling be improved by removing muscular and ocular artifacts from ictal scalp EEG? (2007)

Hallez, Hans, DE VOS, M, Phlypo, Ronald, Vanrumste, Bart, Van Hese, Peter, D'Asseler, Yves, ...

Dipole estimation errors due to skull conductivity perturbations: simulation study in spherical head models (2007)

CHEN, F, Hallez, Hans, Van Hese, Peter, D'Asseler, Yves, Lemahieu, Ignace

Dipole estimation errors in EEG source localization due to not incorporating anisotropic conductivities of white matter in realistic head models (2007)

Hallez, Hans, Vanrumste, Bart, DELPUTTE, S, Van Hese, Peter, Assecondi, Sara, D'Asseler, Yves, ...

Comparison of different auto-solid angle approximations in BEM for EEG dipole source localization (2007)

Assecondi, Sara, Hallez, Hans, D'Asseler, Yves, Lemahieu, Ignace