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Hugo Bouchard

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Professeur agrégé

Faculté des arts et des sciences - Département de physique

Complexe des sciences office B-4435

h.bouchard@umontreal.ca

514 343-6111 #34879

BSc
2001 , Physique , Université du Québec (Canada)

MSc
2003 , Physique médicale , McGill (Canada)

PhD
2010 , Physique , Université de Montréal (Canada)

Affiliations

  • Membre – CRCHUM — Centre de recherche du Centre hospitalier de l’Université de Montréal

Education Programs

  • Fundamental and Applied Sciences
  • Fundamental and Applied Sciences

Courses

  • PHY69801 Sujets spéciaux: physique médicale 1
  • PHY6985 Imagerie en physique médicale 1

Areas of Expertise

  • Modeling of radiation transport coupled to magnetic fields by the Monte Carlo method.
  • Characterization of tissues by spectral computed tomography.
  • Small field dosimetry.
  • Simulation of the dosimetric response of detectors.
  • Radiation detectors: ionization chambers, radiochromic film, diodes, scintillator, liquid ionization chamber.

Responsabilities and outreach Expand all Collapse all

Activités au sein d’organismes ou d’entités de l’institution

Student supervision Expand all Collapse all

Segmentation automatique de la fibrose pulmonaire sur images de tomodensitométrie en radio-oncologie Thèses et mémoires dirigés / 2020 - 2020
Graduate : Fréchette, Nicolas
Cycle : Master's
Grade : M. Sc.
Étude Monte Carlo de l’impact de la tomodensitométrie multiénergie sur la précision du calcul de dose en protonthérapie Thèses et mémoires dirigés / 2019 - 2019
Graduate : Lalonde, Arthur
Cycle : Doctoral
Grade : Ph. D.
Performance d'une technique de tomodensitométrie synthétique par IRM pour le calcul de dose en radiothérapie Thèses et mémoires dirigés / 2018 - 2018
Graduate : Pirenne, Angélique
Cycle : Master's
Grade : M. Sc.
Développement d'un nouveau critère pour déterminer les limites d'utilisation des détecteurs en dosimétrie non standard Thèses et mémoires dirigés / 2014 - 2014
Graduate : Kamio, Yuji
Cycle : Master's
Grade : M. Sc.

Research projects Expand all Collapse all

Accurate Monte Carlo simulation of megavoltage beams coupled to external magnetic fields Projet de recherche au Canada / 2015 - 2022

Lead researcher : Hugo Bouchard
Funding sources: CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG)
Grant programs: PVX20965-(RGP) Programme de subvention à la découverte individuelle ou de groupe

Spectrométrie de masse par tomodensitométrie spectrale avec le MARS Projet de recherche au Canada / 2019 - 2021

Lead researcher : Hugo Bouchard
Funding sources: FCI/Fondation canadienne pour l'innovation
Grant programs: PVXXXXXX-Fonds des leaders

Performance of an ultrasound probe prototype for motion management in lung radiotherapy Projet de recherche au Canada / 2017 - 2021

Lead researcher : Hugo Bouchard
Co-researchers : Jean-François Carrier
Funding sources: CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG)
Grant programs: PVX20973-(RDC-CRD) Partenariat de recherche / Subvention de recherche et développement coopérative

Publications Expand all Collapse all

  1. M Simard, E Bär, and H Bouchard. Electron density and effective atomic number estimation in a maximum a posteriori framework for dual-energy computed tomogra- phy. Physics in Medicine & Biology, 2020

  2. M Simard, R K Panta, S T Bell, A P H Butler, and H Bouchard. Quantitative imaging performance of MARS spectral photon-counting CT for radiotherapy. Medical Physics, 2020

  3. M Simard, A Lalonde, and H Bouchard. Parametrization of multi-energy CT projec- tion data with eigentissue decomposition. Physics in Medicine & Biology, 2020

  4. I Billas, H Bouchard, U Oelfke, D R Shipley, C A Gouldstone, and S Duane. Alanine dosimetry in strong magnetic fields : use as a transfer standard in MRI-guided radio- therapy. Physics in Medicine & Biology, 2020

  5. A Lalonde, Y Xie, B Burgdorf, S O’Reilly, WS Ingram, L Yin, W Zhou, L Dong, H Bou- chard, and K Teo. Influence of intravenous contrast agent on dose calculation in proton therapy using dual energy CT. Physics in Medicine & Biology, 64(12) :125024, 2019

  6. M Simard, A Lapointe, A Lalonde, H Bahig, and H Bouchard. The potential of photon- counting CT for quantitative contrast-enhanced imaging in radiotherapy. Physics in Medicine & Biology, 64(11) :115020, 2019

  7. I Billas, H Bouchard, U Oelfke, and S Duane. The effect of magnetic field strength on the response of Gafchromic EBT-3 film. Physics in Medicine & Biology, 64(6) :06NT03, 2019

  8. A Lourenço, H Bouchard, S Galer, G Royle, and H Palmans. The influence of nuclear interactions on ionization chamber perturbation factors in proton beams : FLUKA simulations supported by a Fano test. Medical physics, 46(2) :885–891, 2019

  9. A Lalonde, M Simard, C Remy, E Bär, and H Bouchard. The impact of dual-and multi-energy CT on proton pencil beam range uncertainties : a Monte Carlo study. Physics in Medicine & Biology, 63(19) :195012, 2018

  10. E Bär, P Andreo, A Lalonde, G Royle, and H Bouchard. Optimized I-values for the use with the Bragg additivity rule and their impact on proton stopping power and range uncertainty. Physics in Medicine & Biology, 63(16) :165007, 2018

  11. A Lalonde, C Remy, M Simard, and H Bouchard. Unsupervised classification of tis- sues composition for Monte Carlo dose calculation. Physics in Medicine & Biology, 63(15) :15NT01, 2018

  12. A Lapointe, A Lalonde, H Bahig, J-F Carrier, S Bedwani, and H Bouchard. Robust quantitative contrast-enhanced dual-energy CT for radiotherapy applications. Medi- cal physics, 45(7) :3086–3096, 2018

  13. C Remy, A Lalonde, D Béliveau-Nadeau, J-F Carrier, and H Bouchard. Dosimetric impact of dual-energy CT tissue segmentation for low-energy prostate brachytherapy : a Monte Carlo study. Physics in Medicine & Biology, 63(2) :025013, 2018

  14. E Bär, A Lalonde, R Zhang, K-W Jee, K Yang, G Sharp, B Liu, G Royle, H Bouchard, and H-M Lu. Experimental validation of two dual-energy CT methods for proton therapy using heterogeneous tissue samples. Medical physics, 45(1) :48–59, 2018

  15. C A Collins-Fekete, E Bär, L Volz, H Bouchard, L Beaulieu, and J Seco. Extension of the Fermi-Eyges most-likely path in heterogeneous medium with prior knowledge information. Physics in Medicine & Biology, 62(24) :9207–9219, 2017

  16. D Maneval, H Bouchard, B Ozell, and P Després. Efficiency improvement in proton dose calculations with an equivalent restricted stopping power formalism. Physics in Medicine & Biology, 63(1) :015019, 2017

  17. A Lalonde, E Bär, and H Bouchard. A Bayesian approach to solve proton stopping powers from noisy multi-energy CT data. Medical physics, 44(10) :5293–5302, 2017

  18. A Lapointe, H Bahig, D Blais, H Bouchard, E Filion, J Carrier, and S Bedwani. As- sessing lung function using contrast-enhanced dual energy computed tomography for potential applications in radiation therapy. Medical Physics, 44(10) :5260–5269, 2017

  19. E Bär, A Lalonde, G Royle, HM Lu, and H Bouchard. The potential of dual-energy CT to reduce proton beam range uncertainties. Medical physics, 44(6) :2332–2344, 2017

  20. A Lourenço, D Shipley, N Wellock, R Thomas, H Bouchard, A Kacperek, F Fracchiolla, S Lorentini, M Schwarz, N MacDougall, G Royle, and H Palmans. Evaluation of the water-equivalence of plastic materials in low-and high-energy clinical proton beams. Physics in Medicine & Biology, 62(10) :3883–3901, 2017

  21. A Lourenço, R Thomas, M Homer, H Bouchard, S Rossomme, J Renaud, T Kanai, G Royle, and H Palmans. Fluence correction factor for graphite calorimetry in a clinical high-energy carbon-ion beam. Physics in Medicine & Biology, 62(7) :N134– N146, 2017

  22. A Lalonde and H Bouchard. A general method to derive tissue parameters for Monte Carlo dose calculation with multi-energy CT. Physics in Medicine & Biology, 61(22) :8044, 2016

  23. A Lourenço, N Wellock, R Thomas, M Homer, H Bouchard, T Kanai, N MacDougall, G Royle, and H Palmans. Theoretical and experimental characterization of novel water-equivalent plastics in clinical high-energy carbon-ion beams. Physics in Me- dicine & Biology, 61(21) :7623, 2016

  24. A Lourenço, R Thomas, H Bouchard, A Kacperek, V Vondracek, G Royle, and H Pal- mans. Experimental and Monte Carlo studies of fluence corrections for graphite calorimetry in low-and high-energy clinical proton beams. Medical Physics, 43(7) :4122– 4132, 2016

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