Review and current status of SPECT scatter correction

BF Hutton, I Buvat, FJ Beekman - Physics in Medicine & Biology, 2011 - iopscience.iop.org
Detection of scattered gamma quanta degrades image contrast and quantitative accuracy of
single-photon emission computed tomography (SPECT) imaging. This paper reviews …

GATE V6: a major enhancement of the GATE simulation platform enabling modelling of CT and radiotherapy

S Jan, D Benoit, E Becheva, T Carlier… - Physics in Medicine …, 2011 - iopscience.iop.org
Abstract GATE (Geant4 Application for Emission Tomography) is a Monte Carlo simulation
platform developed by the OpenGATE collaboration since 2001 and first publicly released in …

Fast GPU-based Monte Carlo code for SPECT/CT reconstructions generates improved 177Lu images

T Rydén, J Heydorn Lagerlöf, J Hemmingsson, I Marin… - EJNMMI physics, 2018 - Springer
Abstract Background Full Monte Carlo (MC)-based SPECT reconstructions have a strong
potential for correcting for image degrading factors, but the reconstruction times are long …

An efficient quasi-Monte Carlo method with forced fixed detection for photon scatter simulation in CT

G Lin, S Deng, X Wang - Plos one, 2023 - journals.plos.org
Detected scattered photons can cause cup** and streak artifacts, significantly degrading
the quality of CT images. For fast and accurate estimation of scatter intensities resulting from …

Modeling families of particle distributions with conditional GAN for Monte Carlo SPECT simulations

A Saporta, A Etxebeste, T Kaprelian… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. We propose a method to model families of distributions of particles exiting a
phantom with a conditional generative adversarial network (condGAN) during Monte Carlo …

Accelerated gpu based spect monte carlo simulations

MP Garcia, J Bert, D Benoit, M Bardiès… - Physics in Medicine & …, 2016 - iopscience.iop.org
Monte Carlo (MC) modelling is widely used in the field of single photon emission computed
tomography (SPECT) as it is a reliable technique to simulate very high quality scans. This …

Implementation of angular response function modeling in SPECT simulations with GATE

P Descourt, T Carlier, Y Du, X Song… - Physics in Medicine …, 2010 - iopscience.iop.org
Abstract Among Monte Carlo simulation codes in medical imaging, the GATE simulation
platform is widely used today given its flexibility and accuracy, despite long run times, which …

Introducing improved voxel navigation and fictitious interaction tracking in GATE for enhanced efficiency

NS Rehfeld, S Stute, J Apostolakis… - Physics in Medicine & …, 2009 - iopscience.iop.org
Abstract Geant4 Application for Emission Tomography (GATE) is a widely used, well-
validated and very versatile application for Monte Carlo simulations in emission tomography …

Investigation of a Monte Carlo simulation and an analytic-based approach for modeling the system response for clinical I-123 brain SPECT imaging

B Auer, N Zeraatkar, J De Beenhouwer… - … Meeting on Fully …, 2019 - spiedigitallibrary.org
The use of accurate system response modeling has been proven to be an essential key of
SPECT image reconstruction, with its usage leading to overall improvement of image quality …

Fixed forced detection for fast SPECT Monte-Carlo simulation

T Cajgfinger, S Rit, JM Létang, A Halty… - Physics in Medicine & …, 2018 - iopscience.iop.org
Monte-Carlo simulations of SPECT images are notoriously slow to converge due to the large
ratio between the number of photons emitted and detected in the collimator. This work …