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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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Taquet, Maxime ; Jankovski, Aleksandar ; Rensonnet, Gaëtan ; Jacobs, Damien ; des Rieux, Anne ; Macq, Benoît ; Warfield, Simon K ; Scherrer, Benoît. Extra-axonal restricted diffusion as an in-vivo marker of reactive microglia. in Scientific reports

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Rensonnet, Gaëtan. In vivo diffusion magnetic resonance imaging of the white matter microstructure from dictionaries generated by Monte Carlo simulations : development and validation - Thèse (Dissertation)

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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 11th 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 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