Hugo Bouchard
Applications of physics to medicine, in particular radiation therapy and imaging.
- Professeur agrégé
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Faculté des arts et des sciences - Département de physique
Complexe des sciences, room B-4435
Profile
Research 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.
education
- 2010 — PhD — Physique — Université de Montréal
- 2003 — MSc — Physique médicale — McGill
- 2001 — BSc — Physique — Université du Québec
For more information…
Affiliations and responsabilities
Research affiliations
Research units
Membre
University service and activities
Activities within organizations or entities of the institution
- Membre du Groupe de recherche en physique médicale du Centre hospitalier de l'Univertsité de Montréal
Teaching and supervision
Teaching
Courses taught (current session only)
Programs
Student supervision
Theses and dissertation supervision (Papyrus Institutional Repository)
Detector dose response to megavoltage photon beams coupled to magnetic fields
Cycle : Doctoral
Grade : Ph. D.
Étude de la tomodensitométrie spectrale quantitative et ses applications en radiothérapie
Cycle : Doctoral
Grade : Ph. D.
Plateforme numérique de tomodensitométrie et ses applications en radiothérapie
Cycle : Master's
Grade : M. Sc.
Segmentation automatique de la fibrose pulmonaire sur images de tomodensitométrie en radio-oncologie
Cycle : Master's
Grade : M. Sc.
Évaluation de la corrélation inter-substitut pour le suivi de tumeurs pulmonaires indirect
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
Cycle : Doctoral
Grade : Ph. D.
Performance d'une technique de tomodensitométrie synthétique par IRM pour le calcul de dose en radiothérapie
Cycle : Master's
Grade : M. Sc.
Développement d'un nouveau critère pour déterminer les limites d'utilisation des détecteurs en dosimétrie non standard
Cycle : Master's
Grade : M. Sc.
Étude des artefacts en tomodensitométrie par simulation Monte Carlo
Cycle : Maîtrise / Master's
Grade : M. Sc.
Projects
Research projects
Simulation of physical processes with Monte Carlo methods in the keV and MeV energy range
Major Resource Support at the Université de Montréal for Canada's Subatomic Physics Program
Canada Research Chair in Emerging Applications of Spectral Computed Tomography
Développement d'un outil de modélisation Monte Carlo d'un scanner à comptage de photons et ses applications en reconstruction spectrale
Spectrométrie de masse par tomodensitométrie spectrale avec le MARS
Accurate Monte Carlo simulation of megavoltage beams coupled to external magnetic fields
Performance of an ultrasound probe prototype for tumor motion management in lung radiotherapy
Investigation of tissue characterization techniques for proton therapy
Outreach
Publications and presentations
Publications
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Y Cervantes, J Duchaine, I Billas, S Duane, and H Bouchard. Monte carlo calcula- tion of detector perturbation and quality correction factors in a 1.5 t magnetic resonance guided radiation therapy small photon beams. Physics in Medicine & Biology, 66(22) :225004, 2021
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I Billas, H Bouchard, U Oelfke, and S Duane. Traceable reference dosimetry in MRI guided radiotherapy using alanine : calibration and magnetic field correction factors of ionisation chambers. Physics in Medicine & Biology, 66(16) :165006, 2021
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C Remy, D Ahumada, A Labine, JC Côté, M Lachaine, and H Bouchard. Potential of a probabilistic framework for target prediction from surrogate respiratory motion during lung radiotherapy. Physics in Medicine & Biology, 66(10) :105002, 2021
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H Bouchard, I Billas, A Subiel, and S Duane. Eigencolor radiochromic film dosimetry. Medical Physics, 48(5) :2592–2603, 2021
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KB Niepel, M Stanislawski, M Wuerl, F Doerringer, M Pinto, O Dietrich, B Ertl-Wagner, A Lalonde, H Bouchard, E Pappas, I Yohannes, M Hillbran, G Landry, and K Parodi. Animal tissue-based quantitative comparison of dual-energy CT to SPR conversion methods using high-resolution gel dosimetry. Physics in Medicine & Biology, 66(7) :075009, 2021
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H Bouchard. Reference dosimetry of modulated and dynamic photon beams. Physics in Medicine & Biology, 65(24) :24TR05, 2020
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Y Cervantes, I Billas, D Shipley, S Duane, and H Bouchard. Small-cavity chamber dose response in megavoltage photon beams coupled to magnetic fields. Physics in Medicine & Biology, 65(24) :245008, 2020
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M Simard, E Bär, and H Bouchard. Electron density and effective atomic number estimation in a maximum a posteriori framework for dual-energy computed tomography. Medical Physics, 47(9) :4137–4149, 2020
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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, 47(8) :3423–3434, 2020
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M Simard, A Lalonde, and H Bouchard. Parametrization of multi-energy CT projec- tion data with eigentissue decomposition. Physics in Medicine & Biology, 65(15) :155001, 2020
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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 radiotherapy. Physics in Medicine & Biology, 65(11) :115001, 2020
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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
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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
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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
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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
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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
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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
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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
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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
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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
Disciplines
- Physics
- Medical Physics
- Biomedical Engineering
- Radiation Oncology
- Applied Mathematics
Areas of expertise
- Monte Carlo simulations
- Imagerie médicale
- Radiation therapy equipment
- Interactions of particles and radiation with matter
- Radiation detectors
- Scattering of atoms and molecules
- X-ray beams and x-ray optics
- X-ray imaging
- Charged-particle beams
- Physical radiation effects, radiation damage
- Biological and medical physics
- Metrology