Ignace Lemahieu
Overview
Explore the profile of Ignace Lemahieu including associated specialties, affiliations and a list of published articles.
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37
Citations
415
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Recent Articles
1.
Phlypo R, Zarzoso V, Lemahieu I
Med Biol Eng Comput
. 2010 Feb;
48(5):483-8.
PMID: 20127523
This work presents a spatial filtering method for the estimation of atrial fibrillation activity in the cutaneous electrocardiogram. A linear extraction filter is obtained by maximising the extractor output power...
2.
Hallez H, Staelens S, Lemahieu I
Phys Med Biol
. 2009 Sep;
54(20):6079-93.
PMID: 19779215
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...
3.
Vandenberghe S, van Elmbt L, Guerchaft M, Clementel E, Verhaeghe J, Bol A, et al.
Eur J Nucl Med Mol Imaging
. 2009 Jun;
36(12):1994-2001.
PMID: 19526237
Purpose: The aim of this study is to optimize different parameters in the time-of-flight (TOF) reconstruction for the Philips GEMINI TF. The use of TOF in iterative reconstruction introduces additional...
4.
De Beenhouwer J, Staelens S, Vandenberghe S, Verhaeghe J, Van Holen R, Rault E, et al.
Med Phys
. 2009 May;
36(4):1053-60.
PMID: 19472610
The GEANT4 application for tomographic emission (GATE) is one of the most detailed Monte Carlo simulation tools for SPECT and PET. It allows for realistic phantoms, complex decay schemes, and...
5.
Van Hese P, Martens J, Waterschoot L, Boon P, Lemahieu I
IEEE Trans Biomed Eng
. 2009 Mar;
56(3):706-17.
PMID: 19272875
Genetic absence epilepsy rats from Strasbourg are a strain of Wistar rats in which all animals exhibit spontaneous occurrences of spike and wave discharges (SWDs) in the EEG. In this...
6.
Assecondi S, Hallez H, Staelens S, Bianchi A, Huiskamp G, Lemahieu I
Phys Med Biol
. 2009 Feb;
54(6):1673-89.
PMID: 19242052
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 of the MR scanner...
7.
Phlypo R, Zarzoso V, Comon P, Lemahieu I
Annu Int Conf IEEE Eng Med Biol Soc
. 2009 Jan;
2008:3340-3.
PMID: 19163423
In this work we show how one can make use of priors on signal statistics under the form of cumulant guesses to extract an independent source from an observed mixture....
8.
Phlypo R, Zarzoso V, Lemahieu I
Annu Int Conf IEEE Eng Med Biol Soc
. 2009 Jan;
2008:1863-6.
PMID: 19163051
An objective function is presented to recover a spectrally narrow band signal from multichannel measurements, as in electrocardiogram recordings of atrial fibrillation. The criterion can be efficiently maximized through the...
9.
Van Holen R, Vandenberghe S, Staelens S, De Beenhouwer J, Lemahieu I
Phys Med Biol
. 2009 Jan;
54(3):715-29.
PMID: 19131666
As an alternative to the use of traditional parallel hole collimators, SPECT imaging can be performed using rotating slat collimators. While maintaining the spatial resolution, a gain in image quality...
10.
Fieremans E, De Deene Y, Delputte S, Ozdemir M, Achten E, Lemahieu I
Phys Med Biol
. 2008 Sep;
53(19):5405-19.
PMID: 18765890
Diffusion weighted magnetic resonance imaging offers a non-invasive tool to explore the three-dimensional structure of brain white matter in clinical practice. Anisotropic diffusion hardware phantoms are useful for the quantitative...