Mohammad Reza Ay
Mohammad Reza Ay
Professor of Meidcal Physics, Director of National Brain Mapping Lab
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Monte Carlo simulation of x-ray spectra in diagnostic radiology and mammography using MCNP4C
MR Ay, M Shahriari, S Sarkar, M Adib, H Zaidi
Physics in medicine & biology 49 (21), 4897, 2004
Impact of miscentering on patient dose and image noise in x-ray CT imaging: phantom and clinical studies
MA Habibzadeh, MR Ay, ARK Asl, H Ghadiri, H Zaidi
Physica Medica 28 (3), 191-199, 2012
Assessment of different computational models for generation of x‐ray spectra in diagnostic radiology and mammography
MR Ay, S Sarkar, M Shahriari, D Sardari, H Zaidi
Medical physics 32 (6Part1), 1660-1675, 2005
Development and validation of MCNP4C-based Monte Carlo simulator for fan-and cone-beam x-ray CT
MR Ay, H Zaidi
Physics in Medicine & Biology 50 (20), 4863, 2005
Reduction of dental filling metallic artifacts in CT‐based attenuation correction of PET data using weighted virtual sinograms optimized by a genetic algorithm
M Abdoli, MR Ay, A Ahmadian, RAJO Dierckx, H Zaidi
Medical physics 37 (12), 6166-6177, 2010
Analytic system matrix resolution modeling in PET: an application to Rb-82 cardiac imaging
A Rahmim, J Tang, MA Lodge, S Lashkari, MR Ay, R Lautamäki, ...
Physics in medicine & biology 53 (21), 5947, 2008
Guidelines for TMS/tES clinical services and research through the COVID-19 pandemic
M Bikson, CA Hanlon, AJ Woods, BT Gillick, L Charvet, C Lamm, ...
Brain stimulation 13 (4), 1124-1149, 2020
X-ray CT Metal Artifact Reduction Using Wavelet Domain Sparse Regularization
A Mehranian, MR Ay, A Rahmim, H Zaidi
IEEE transactions on medical imaging 32 (9), 1707-1722, 2013
Direct attenuation correction of brain PET images using only emission data via a deep convolutional encoder-decoder (Deep-DAC)
I Shiri, P Ghafarian, P Geramifar, KHY Leung, M Ghelichoghli, M Oveisi, ...
European radiology 29, 6867-6879, 2019
MRI-guided attenuation correction in whole-body PET/MR: assessment of the effect of bone attenuation
A Akbarzadeh, MR Ay, A Ahmadian, NR Alam, H Zaidi
Annals of Nuclear Medicine, in press, 2012
Deep-JASC: joint attenuation and scatter correction in whole-body 18F-FDG PET using a deep residual network
I Shiri, H Arabi, P Geramifar, G Hajianfar, P Ghafarian, A Rahmim, MR Ay, ...
European journal of nuclear medicine and molecular imaging 47, 2533-2548, 2020
Assessment of errors caused by x-ray scatter and use of contrast medium when using CT-based attenuation correction in PET
MR Ay, H Zaidi
European journal of nuclear medicine and molecular imaging 33, 1301-1313, 2006
Current status and new horizons in Monte Carlo simulation of X-ray CT scanners
H Zaidi, MR Ay
Medical & biological engineering & computing 45, 809-817, 2007
Evaluation of size, morphology, concentration, and surface effect of gold nanoparticles on X-ray attenuation in computed tomography
S Khademi, S Sarkar, S Kharrazi, SM Amini, A Shakeri-Zadeh, MR Ay, ...
Physica Medica 45, 127-133, 2018
Standard SPECT myocardial perfusion estimation from half-time acquisitions using deep convolutional residual neural networks
I Shiri, K AmirMozafari Sabet, H Arabi, M Pourkeshavarz, B Teimourian, ...
Journal of Nuclear Cardiology, 1-19, 2020
Folic acid-cysteamine modified gold nanoparticle as a nanoprobe for targeted computed tomography imaging of cancer cells
S Khademi, S Sarkar, A Shakeri-Zadeh, N Attaran, S Kharrazi, MR Ay, ...
Materials Science and Engineering: C 89, 182-193, 2018
A virtual sinogram method to reduce dental metallic implant artefacts in computed tomography-based attenuation correction for PET
M Abdoli, MR Ay, A Ahmadian, H Zaidi
Nuclear medicine communications 31 (1), 22-31, 2010
Evaluation of whole‐body MR to CT deformable image registration
A Akbarzadeh, D Gutierrez, A Baskin, MR Ay, A Ahmadian, NR Alam, ...
Journal of Applied Clinical Medical Physics 14 (4), 238-253, 2013
Targeted gold nanoparticles enable molecular CT imaging of head and neck cancer: an in vivo study
S Khademi, S Sarkar, A Shakeri-Zadeh, N Attaran, S Kharrazi, MR Ay, ...
The international journal of biochemistry & cell biology 114, 105554, 2019
Monte Carlo estimation of photoneutrons contamination from high-energy X-ray medical accelerators in treatment room and maze: a simplified model
M Zabihzadeh, MR Ay, M Allahverdi, A Mesbahi, SR Mahdavi, M Shahriari
Radiation protection dosimetry 135 (1), 21-32, 2009
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