Zobrazeno 1 - 10
of 288
pro vyhledávání: '"Ignace Lemahieu"'
Autor:
Max Lonneux, Anne Bol, Michel Guerchaft, Larry van Elmbt, Stefaan Vandenberghe, Enrico Clementel, Jeroen Verhaeghe, Ignace Lemahieu
Publikováno v:
European Journal of Nuclear Medicine and Molecular Imaging. 36:1994-2001
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 variables to be optimized compared to conventional PET re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64abf482ffcb61ad7541d058f79cc211
https://doi.org/10.1007/s00259-009-1164-3
https://doi.org/10.1007/s00259-009-1164-3
Autor:
Stefaan Vandenberghe, Roel Van Holen, Jan De Beenhouwer, Ignace Lemahieu, Steven Staelens, Erwann Rault, Jeroen Verhaeghe
Publikováno v:
Medical Physics. 36:1053-1060
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 a large variety of detector geometries. However, only a fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee4820f6812e83dcf31f9bc70eac86cd
https://doi.org/10.1118/1.3078045
https://doi.org/10.1118/1.3078045
Publikováno v:
IEEE Transactions on Magnetics. 45:1670-1673
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 solution of an inverse problem. We implemented the two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b5e4426c18f8294bd358287ba85088b
https://doi.org/10.1109/tmag.2009.2012773
https://doi.org/10.1109/tmag.2009.2012773
Publikováno v:
European Journal of Nuclear Medicine and Molecular Imaging. 35:216-402
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19712031ec83780f0d6e5a3cc9c84ce2
https://doi.org/10.1007/s00259-008-0901-3
https://doi.org/10.1007/s00259-008-0901-3
Autor:
Yves D'Asseler, Kristl Vonck, G.J. Carroll, Philip J. Bones, Bart Vanrumste, Peter Van Hese, Richard D. Jones, Ignace Lemahieu, Hans Hallez
Publikováno v:
Clinical Neurophysiology. 119:1756-1770
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 detection methods that base detection on the results o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69219778fac56b753cc16861abeeb909
https://doi.org/10.1016/j.clinph.2008.04.009
https://doi.org/10.1016/j.clinph.2008.04.009
Autor:
Ignace Lemahieu, D. Van De Ville, Ildar Khalidov, Jeroen Verhaeghe, Michael Unser, Yves D'Asseler
Publikováno v:
IEEE Transactions on Medical Imaging, Vol. 27, No 7 (2008) pp. 943-959
Tomographic reconstruction from positron emission tomography (PET) data is an ill-posed problem that requires regularization. An attractive approach is to impose an $ \ell_{ 1 } $ -regularization constraint, which favors sparse solutions in the wavel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e266d84b133cc91de7f25045b6bceb6
https://doi.org/10.1109/tmi.2008.923698
https://doi.org/10.1109/tmi.2008.923698
Publikováno v:
Physics in Medicine and Biology. 53:1989-2002
The main remaining challenge for a gamma camera is to overcome the existing trade-off between collimator spatial resolution and system sensitivity. This problem, strongly limiting the performance of parallel hole collimated gamma cameras, can be over
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdf80c918e41f5df3a41a1f23abdf8c2
https://doi.org/10.1088/0031-9155/53/7/013
https://doi.org/10.1088/0031-9155/53/7/013
Publikováno v:
Medical Physics. 35:1476-1485
Geant4 application for tomographic emission (GATE) is a geometry and tracking 4 (Geant4) application toolkit for accurate simulation of positron emission tomography and single photon emission computed tomography (SPECT) scanners. GATE simulations wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87c25d2fc1e55888bd55617a85dfb0de
https://doi.org/10.1118/1.2885370
https://doi.org/10.1118/1.2885370
Autor:
Ignace Lemahieu, Yves D'Asseler, Eric Achten, Yves De Deene, Karel Deblaere, Jelle Vlassenbroeck, Steven Delputte, Mahir Ozdemir, Els Fieremans
Publikováno v:
Journal of Magnetic Resonance. 190:189-199
Diffusion weighted magnetic resonance imaging enables the visualization of fibrous tissues such as brain white matter. The validation of this non-invasive technique requires phantoms with a well-known structure and diffusion behavior. This paper pres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c090cf4980275bc2a851f98770773ab6
https://doi.org/10.1016/j.jmr.2007.10.014
https://doi.org/10.1016/j.jmr.2007.10.014
Autor:
Steven Delputte, Yves De Deene, Yves D'Asseler, Ignace Lemahieu, Hakan Savaş Sazak, Eric Achten, Harmen Reyngoudt, Els Fieremans, Mahir Ozdemir, Wim Derave
Publikováno v:
Physics in Medicine and Biology. 52:6781-6794
Carnosine has been shown to be present in the skeletal muscle and in the brain of a variety of animals and humans. Despite the various physiological functions assigned to this metabolite, its exact role remains unclear. It has been suggested that car
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::707eb0055c5ae5f10c5657ef7ec2a676
https://doi.org/10.1088/0031-9155/52/23/001
https://doi.org/10.1088/0031-9155/52/23/001