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Gaëtan Rensonnet

PhD Student

Gaëtan is completing a joint PhD program with Profs Benoît Macq (Université catholique de Louvain) and Jean-Philippe Thiran (Ecole polytechnique fédérale de Lausanne). His research aims at providing sub-millimetric properties of the white matter from the post-processing of diffusion-weighted magnetic resonance imaging (DW-MRI) acquisitions in the human brain and spinal cord. The developed framework relies on intensive Monte Carlo simulations of the random walk of water molecules in biologically-realistic environments and sparse optimization. Acknowledgments: this research is supported by a Research Fellow grant from Fonds de la Recherche Scientifique (F.R.S-FNRS) and an Excellence Scholarship from Wallonie-Bruxelles International (WBI).

Publications

2019

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Rensonnet, Gaëtan ; Scherrer, Benoît ; Girard, Gabriel ; Jankovski, Aleksandar ; Warfield, Simon K ; Macq, Benoît ; Thiran, Jean-Philippe ; Taquet, Maxime. Towards microstructure fingerprinting: Estimation of tissue properties from a dictionary of Monte Carlo diffusion MRI simulations. . In NeuroImage

2018

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Rensonnet, Gaëtan ; Scherrer, Benoît ; Simon K. Warfield ; Macq, Benoît ; Taquet, Maxime. Assessing the validity of the approximation of diffusion‐weighted‐MRI signals from crossing fascicles by sums of signals from single fascicles . In Magnetic Resonance in Medicine

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Rensonnet, Gaëtan ; Scherrer, Benoît ; Girard, Gabriel ; Patino Lopez, Jonathan Rafaël ; Warfield, Simon K ; Macq, Benoît ; Thiran, Jean-Philippe ; Taquet, Maxime. Estimation of the brain microstructure in the presence of crossing fascicles from a dictionary of Monte Carlo signals . In 26th annual meeting of the International Society for Magnetic Resonance in Medicine (ISMRM), Paris, France, du 16/06/2018 au 21/06/2018

2017

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Rensonnet, Gaëtan ; Scherrer, Benoît ; Warfield, Simon K. ; Macq, Benoît ; Taquet, Maxime. Microstructure imaging from a dictionary of Monte Carlo signals: assessment on a rat model of Wallerian degeneration . In International Society for Magnetic Resonance in Medicine, Honolulu, HI, USA, du 23/04/2017 au 27/04/2017

2016

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Rensonnet, Gaëtan ; Jacobs, Damien ; Macq, Benoît ; Taquet, Maxime. Fast and accurate simulations of diffusion-weighted MRI signals for the evaluation of acquisition sequences . In SPIE Medical Imaging

2015

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Rensonnet, Gaëtan ; Jacobs, Damien ; Macq, Benoît ; Taquet, Maxime. A hybrid method for efficient and accurate simulations of diffusion compartment imaging signals . In Proc. SPIE International Symposium on Medical Information Processing and Analysis11th International Symposium on Medical Information Processing and Analysis, Cuenca, Ecuador, du 17/11/2015 au 19/11/2015

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Rensonnet, Gaëtan ; Jacobs, Damien ; Macq, Benoît ; Taquet, Maxime. A hybrid method for efficient and accurate simulations of diffusion compartment imaging signals . In 11th International Symposium on Medical Information Processing and Analysis, Cuenca, Ecuador, du 17/11/2015 au 19/11/2015