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Author

Luc Beaulieu

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2 papers indexed here

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Conference Open access Sep 2026

Study of attenuation correction in sparse-view tomographic dose reconstruction with a static multi-stack scintillating fiber detector

High-resolution two-dimensional dosimetry is important for radiotherapy quality assurance. Scintillating fiber tomodosimetry is attractive because of its near water equivalence and fine spatial sampling, but most implementations rely on detector rotation. Here, we report Monte Carlo simulations of a static multi-stack...

Sajjad Ahmad Khan, Luc Beaulieu, Louis Archambault · 0 citations
Preprint Sep 2026

Non-circular scan trajectories for reducing cone-beam artifacts in Gamma Knife CBCT images: a simulation study

Objective. Gamma Knife cone-beam computed tomography (CBCT) images are deteriorated by cone-beam artifacts whose magnitude increases along the superior direction. In this study, a novel scan trajectory compatible with the Gamma Knife CBCT system is optimized to reduce cone-beam artifacts, with the aim to replace the cu...

Alexandra Alain-Beaudoin, H. Nordström, Luc Beaulieu et al. · 1 citation · ⚡1

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