Prof. Joël Lefebvre Profile

Prof. Joël Lefebvre

Associate Professor at Univ. du Québec à Montréal

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Publications (13)

Proceedings Article | 13 March 2024 Poster + Paper

Slice to volume registration using neural networks for serial optical coherence tomography of whole mouse brains

Frans Irgolitsch, François Huppé-Marcoux, Frédéric Lesage, Joël Lefebvre

Proceedings Volume 12857, 128570K (2024) https://doi.org/10.1117/12.3002557

KEYWORDS: Brain, Image processing, Neuroimaging, 3D image processing, Image registration, Optical coherence tomography, 3D acquisition, Feature extraction

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Proceedings Article | 13 March 2024 Presentation + Paper

Multiorientation mapping of white matter fiber microstructures in whole mouse brains using serial optical coherence tomography

Joël Lefebvre, Alexia Pragassam, Julien Reynaud, Frans Irgolitsch, Frédéric Lesage

Proceedings Volume 12828, 1282807 (2024) https://doi.org/10.1117/12.3002959

KEYWORDS: Brain, Optical coherence tomography, Neuroimaging, White matter, Tissues, Reconstruction algorithms, Data acquisition, Image processing, Brain mapping, 3D printing

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Proceedings Article | 15 March 2023 Presentation + Paper

Exploring the Allen mouse connectivity experiments with new neuroinformatic tools for neurophotonics, diffusion MRI and tractography applications

Mahdi Abou-Hamdan, Elise Cosenza, Sylvain Miraux, Laurent Petit, Joël Lefebvre

Proceedings Volume 12365, 123650A (2023) https://doi.org/10.1117/12.2649029

KEYWORDS: Brain, Visualization, Brain mapping, Neuroimaging, White matter

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Proceedings Article | 5 March 2021 Presentation + Paper

Localization and imaging of white matter fiber crossings in whole mouse brains using diffusion MRI and serial blockface OCT

Joël Lefebvre, Patrick Delafontaine-Martel, Philippe Lemieux, Maxime Descoteaux, Laurent Petit, Frédéric Lesage

Proceedings Volume 11629, 1162927 (2021) https://doi.org/10.1117/12.2577648

KEYWORDS: Brain, Diffusion magnetic resonance imaging, Optical coherence tomography, Neuroimaging, Structured optical fibers, Detection and tracking algorithms, Algorithm development

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SPIE Journal Paper | 3 November 2018 Open Access

Fully automated dual-resolution serial optical coherence tomography aimed at diffusion MRI validation in whole mouse brains

Joël Lefebvre, Patrick Delafontaine-Martel, Philippe Pouliot, Hélène Girouard, Maxime Descoteaux, Frédéric Lesage

NPh, Vol. 5, Issue 04, 045004, (November 2018) https://doi.org/10.1117/12.10.1117/1.NPh.5.4.045004

KEYWORDS: Brain, Optical coherence tomography, Tissues, Neuroimaging, Diffusion magnetic resonance imaging, Image registration, Image resolution, Imaging systems, Data acquisition, Microscopes

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SPIE Journal Paper | 11 July 2018 Open Access

Whole brain vascular imaging in a mouse model of Alzheimer’s disease with two-photon microscopy

Patrick Delafontaine-Martel, Joël Lefebvre, Pier-Luc Tardif, Bernard Lévy, Philippe Pouliot, Frédéric Lesage

JBO, Vol. 23, Issue 07, 076501, (July 2018) https://doi.org/10.1117/12.10.1117/1.JBO.23.7.076501

KEYWORDS: Brain, Neuroimaging, Vascular imaging, Mouse models, Prefrontal cortex, Alzheimer's disease, Microscopes, Magnetic resonance imaging, Statistical analysis, Two photon excitation microscopy

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Proceedings Article | 14 March 2018 Presentation

Serial OCT reveals age-dependent cardiac fiber orientation change (Conference Presentation)

Alexandre Castonguay, Joel Lefebvre, Frédéric Lesage

Proceedings Volume 10471, 104710M (2018) https://doi.org/10.1117/12.2289092

KEYWORDS: Heart, Optical coherence tomography, Signal attenuation, Scanners, Image resolution, Optical imaging, Optical coherence microscopy

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Proceedings Article | 23 February 2018 Paper

Large scale serial two-photon microscopy to investigate local vascular changes in whole rodent brain models of Alzheimer's disease

P. Delafontaine-Martel, J. Lefebvre, R. Damseh, A. Castonguay, P. Tardif, F. Lesage

Proceedings Volume 10498, 104982O (2018) https://doi.org/10.1117/12.2290060

KEYWORDS: Brain, Image segmentation, Neuroimaging, Alzheimer's disease, Two photon excitation microscopy, Digital filtering, Microscopes, Prefrontal cortex, Imaging systems, Image registration

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Proceedings Article | 12 February 2018 Presentation + Paper

Imaging whole mouse brains with a dual resolution serial swept-source optical coherence tomography scanner

Joël Lefebvre, Alexandre Castonguay, Frédéric Lesage

Proceedings Volume 10481, 104810I (2018) https://doi.org/10.1117/12.2288521

KEYWORDS: Optical coherence tomography, Brain, Tissues, Scanners, Microscopes, Data acquisition, Point spread functions, Neuroimaging

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SPIE Journal Paper | 8 January 2018 Open Access

Comparing three-dimensional serial optical coherence tomography histology to MRI imaging in the entire mouse brain

Alexandre Castonguay, Joël Lefebvre, Frédéric Lesage, Philippe Pouliot

JBO, Vol. 23, Issue 01, 016008, (January 2018) https://doi.org/10.1117/12.10.1117/1.JBO.23.1.016008

KEYWORDS: Brain, Neuroimaging, Magnetic resonance imaging, Optical coherence tomography, In vivo imaging, Tissues, Brain mapping, Image registration, Tissue optics, 3D image processing

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SPIE Journal Paper | 11 July 2017 Open Access

Whole mouse brain imaging using optical coherence tomography: reconstruction, normalization, segmentation, and comparison with diffusion MRI

Joël Lefebvre, Alexandre Castonguay, Philippe Pouliot, Maxime Descoteaux, Frédéric Lesage

NPh, Vol. 4, Issue 04, 041501, (July 2017) https://doi.org/10.1117/12.10.1117/1.NPh.4.4.041501

KEYWORDS: Optical coherence tomography, Brain, Image segmentation, Tissue optics, Reflectivity, Brain imaging, Diffusion magnetic resonance imaging, Signal attenuation, Microscopes, Neuroimaging

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Proceedings Article | 17 February 2017 Paper

White matter segmentation by estimating tissue optical attenuation from volumetric OCT massive histology of whole rodent brains

Joël Lefebvre, Alexandre Castonguay, Frédéric Lesage

Proceedings Volume 10070, 1007012 (2017) https://doi.org/10.1117/12.2251173

KEYWORDS: Tissue optics, Signal attenuation, Optical coherence tomography, Brain, Reflectivity, 3D image processing, Image segmentation, Neuroimaging, Microscopes, Image processing, Tissues, Brain mapping, Scattering, Reconstruction algorithms

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Proceedings Article | 11 September 2015 Paper

Investigating the impact of blood pressure increase to the brain using high resolution serial histology and image processing

F. Lesage, A. Castonguay, P. Tardif, J. Lefebvre, B. Li

Proceedings Volume 9597, 95970M (2015) https://doi.org/10.1117/12.2189110

KEYWORDS: Brain, Optical coherence tomography, Tissues, Neuroimaging, Confocal microscopy, Imaging systems, Image resolution, Image processing, Luminescence, Image filtering

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Showing 5 of 13 publications

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