Philippe Després is an Associate Professor in the Department of Physics, Engineering Physics and Optics and member of the Cancer Research Center of Université Laval, as well as a Medical Physicist at CHU de Québec and a regular researcher at its affiliated Research Center. He was trained at Université Laval (MSc 2000, Physics), Université de Montréal (PhD 2005, Physics) and University of California, San Francisco (postdoc 2005-2007, Biomedical Engineering, Molecular Imaging). He is involved in several projects encompassing hardware and software aspects of medical imaging modalities, notably low-dose X-ray imaging, advanced imaging techniques, and solid-state detectors for molecular imaging. He pioneered high-performance computing (HPC) approaches with commodity graphics hardware (GPUs) that led to innovative applications in image processing/reconstruction and radiation dose calculations, including a fast GPU-based Monte Carlo engine to simulate energy transport in matter (GPUMCD). As a HPC expert, he is also involved in data-driven research approaches, data infrastructures and FAIR-compliant research data management. In this regard, he is the Chief Data Officer at CHU de Québec – Université Laval Research Center, the Data Architect of the PULSAR health research platform, the Assistant Director of the Big Data Research Center at Université Laval, and the co-lead of the Sustainable Health axis of the Observatoire international sur les impacts sociétaux de l’IA et du numérique.

L'Hôtel-Dieu de Québec
11, côte du Palais
4340
Québec, Québec
Canada G1R 2J6
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Matenine D, Cote G, Mascolo-Fortin J, Goussard Y, Despres P

System matrix computation vs storage on GPU: A comparative study in cone beam CT.

Journal Article

Med Phys, 45 (2), pp. 579-588, 2018, ISSN: 0094-2405.

Abstract | Links:

Mascolo-Fortin J, Matenine D, Archambault L, Despres P

A fast 4D cone beam CT reconstruction method based on the OSC-TV algorithm.

Journal Article

J Xray Sci Technol, 26 (2), pp. 189-208, 2018, ISSN: 0895-3996.

Abstract | Links:

Maneval D, Bouchard H, Ozell B, Despres P

Efficiency improvement in proton dose calculations with an equivalent restricted stopping power formalism.

Journal Article

Phys Med Biol, 63 (1), pp. 015019, 2017, ISSN: 0031-9155.

Abstract | Links:

Espagnet R, Frezza A, Martin JP, Hamel LA, Lechippey L, Beauregard JM, Despres P

A CZT-based blood counter for quantitative molecular imaging.

Journal Article

EJNMMI Phys, 4 (1), pp. 18, 2017, ISSN: 2197-7364.

Abstract | Links:

Vigneault E, Savard J, Savard MH, Ivers H, Despres P, Foster W, Martin AG, Fradet V

Validation of the French-Canadian version of the Expanded Prostate Cancer Index Composite (EPIC) in a French-Canadian population.

Journal Article

Can Urol Assoc J, 11 (12), pp. 404-410, 2017, ISSN: 1911-6470.

Abstract | Links:

Martell K, Husain S, Taussky D, Angyalfi S, Delouya G, Despres P, Beaulieu L, Martin AG, Vigneault E

Multicenter Evaluation of Biochemical Relapse-Free Survival Outcomes for Intraoperatively Planned Prostate Brachytherapy Using an Automated Delivery System.

Journal Article

Int J Radiat Oncol Biol Phys, 99 (4), pp. 895-903, 2017, ISSN: 0360-3016.

Abstract | Links:

Despres P, Jia X

A review of GPU-based medical image reconstruction.

Journal Article

Phys Med, 42 , pp. 76-92, 2017, ISSN: 1120-1797.

Abstract | Links:

Espagnet R, Frezza A, Martin JP, Hamel LA, Després P

Conception and characterization of a virtual coplanar grid for a 11×11 pixelated CZT detector

Journal Article

Nucl Instrum Methods Phys Res A, 860 , pp. 62-69, 2017, ISSN: 0168-9002.

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Vigneault E, Mbodji K, Magnan S, Despres P, Lavallee MC, Aubin S, Beaulieu L, Foster W, Martin AG

High-dose-rate brachytherapy boost for prostate cancer treatment: Different combinations of hypofractionated regimens and clinical outcomes.

Journal Article

Radiother Oncol, 124 (1), pp. 49-55, 2017, ISSN: 0167-8140.

Abstract | Links:

Vigneault E, Mbodji K, Racine LG, Chevrette E, Lavallee MC, Martin AG, Despres P, Beaulieu L

Image-guided high-dose-rate brachytherapy boost to the dominant intraprostatic lesion using multiparametric magnetic resonance imaging including spectroscopy: Results of a prospective study.

Journal Article

Brachytherapy, 15 (6), pp. 746-751, 2016, ISSN: 1538-4721.

Abstract | Links:

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Active projects

  • Centre de recherche du CHU de Québec - Université Laval, Subvention, Centre hospitalier universitaire de Québec - Université Laval, Centres de recherche affiliés, from 2017-01-01 to 2099-12-31
  • Centre de recherche en données massives, Subvention, Institutionnel - BDR, BDR - Centres de recherche reconnus, from 2016-06-07 to 2021-06-06
  • Centre de recherche sur le cancer, Subvention, Institutionnel - BDR, BDR - Centres de recherche reconnus, from 1996-05-01 to 2023-04-30
  • High-Performance Computing in Medical Physics, Subvention, Conseil de recherches en sciences naturelles et génie Canada, Subventions à la découverte SD (individuelles et d'équipe), from 2018-04-01 to 2023-03-31
  • Major Resource Support for the Particle Physics Group at Université de Montréal, Subvention, Conseil de recherches en sciences naturelles et génie Canada, Programme d'appui aux ressources majeures (ARM), from 2018-04-01 to 2021-03-31
  • NSERC CREATE in Responsible Health and Healthcare Data Science, Subvention, Conseil de recherches en sciences naturelles et génie Canada, Programme de formation orientée vers la nouveauté, la collaboration et l'expérience en recherche (FONCER), from 2019-09-01 to 2025-08-31
  • Optimiser les soins des patients atteints du cancer de la prostate résistant à la castration en utilisant une stratégie de triple traceur en imagerie moléculaire et en radiothérapie ciblée, Subvention, Fonds de recherche du Québec - Santé, ONCOPOLE EMC2: Équipes multi-institutionnelles contre le cancer, from 2018-04-01 to 2021-03-31
  • Prédire l'évolution de l'hépatite C par la fédération de données et l'intelligence artificielle : enjeux éthiques, juridiques, sociaux et de vie privée, Subvention, Instituts de recherche en santé du Canada, Subvention Projet, from 2019-04-01 to 2022-03-31

Recently finished projects

  • 2.4 A better understanding of light-matter interaction: bridging the gap between micro and macro scales, and develong new devices and approaches for the North, Subvention, Secrétariat des programmes interorganismes à l’intention des établissements, Fonds d'excellence en recherche Apogée Canada, from 2016-04-01 to 2020-03-31
  • Artificial INTELLIGENce for efficient community based primary healTh CARE (INTELLIGENT-CARE), Subvention, Instituts de recherche en santé du Canada, Subvention de planification et dissémination, from 2018-02-01 to 2019-03-31
  • L'imagerie moléculaire quantitative au service de la médecine personnalisée, Subvention, Fonds de recherche du Québec - Santé, Chercheur-boursier Juniors 1 et 2, Seniors, from 2016-07-01 to 2019-06-30
  • NSREC CREATE : Medical Physic Research Training Network (MPRTN), Subvention, Conseil de recherches en sciences naturelles et génie Canada, Programme de formation orientée vers la nouveauté, la collaboration et l'expérience en recherche (FONCER), from 2013-04-01 to 2019-03-31
  • Reconstructions tomographiques avancées et imagerie multi-spectrale en tomodensitométrie : vers une caractérisaiton physico-chimique bonifiée des matériaux en sciences de la Terre et de l'environnement, Subvention, Fonds de recherche du Québec - Nature et technologies, Projet de recherche en équipe, from 2017-04-01 to 2020-03-31
Data provided by the Université Laval research projects registery