|The impact of image reconstruction settings on 18F-FDG PET radiomic features: multi-scanner phantom and patient studies|
Isaac Shiri, Arman Rahmim, Pardis Ghaffarian, Parham Geramifar,Hamid Abdollahi
European Radiology, 2017
|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 (12), 6867-6879, 2019
|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 (11), 2533-2548, 2020
|Design and development of a high resolution animal SPECT scanner dedicated for rat and mouse imaging|
S Sajedi, N Zeraatkar, V Moji, MH Farahani, S Sarkar, H Arabi, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2014
|Respiratory-induced errors in tumor quantification and delineation in CT attenuation-corrected PET images: effects of tumor size, tumor location, and respiratory trace: a …|
P Geramifar, MS Zafarghandi, P Ghafarian, A Rahmim, MR Ay
Molecular imaging and biology 15 (6), 655-665, 2013
|Experimental assessment of the influence of beam hardening filters on image quality and patient dose in volumetric 64-slice X-ray CT scanners|
MR Ay, A Mehranian, A Maleki, H Ghadiri, P Ghafarian, H Zaidi
Physica Medica 29 (3), 249-260, 2013
|Performance evaluation of a newly developed high‐resolution, dual‐head animal SPECT system based on the NEMA NU1–2007 standard|
V Moji, N Zeraatkar, MH Farahani, MR Aghamiri, S Sajedi, B Teimourian, ...
Journal of applied clinical medical physics 15 (6), 267-278, 2014
|Resolution-recovery-embedded image reconstruction for a high-resolution animal SPECT system|
N Zeraatkar, S Sajedi, MH Farahani, H Arabi, S Sarkar, P Ghafarian, ...
Physica Medica 30 (7), 774-781, 2014
|Is metal artefact reduction mandatory in cardiac PET/CT imaging in the presence of pacemaker and implantable cardioverter defibrillator leads?|
P Ghafarian, SMR Aghamiri, MR Ay, A Rahmim, TH Schindler, O Ratib, ...
European journal of nuclear medicine and molecular imaging 38 (2), 252-262, 2011
|Generation of a four-class attenuation map for MRI-based attenuation correction of PET data in the head area using a novel combination of STE/Dixon-MRI and FCM clustering|
P Khateri, H Saligheh Rad, AH Jafari, A Fathi Kazerooni, A Akbarzadeh, ...
Molecular imaging and biology 17 (6), 884-892, 2015
|NEMA NU‐4 2008 performance evaluation of Xtrim‐PET: A prototype SiPM‐based preclinical scanner|
M Amirrashedi, S Sarkar, P Ghafarian, R Hashemi Shahraki, P Geramifar, ...
Medical Physics 46 (11), 4816-4825, 2019
|Qualitative and quantitative assessment of metal artifacts arising from implantable cardiac pacing devices in oncological PET/CT studies: a phantom study|
MR Ay, A Mehranian, M Abdoli, P Ghafarian, H Zaidi
Molecular imaging and biology 13 (6), 1077-1087, 2011
|A review on human respiratory modeling|
P Ghafarian, H Jamaati, SM Hashemian
Tanaffos 15 (2), 61, 2016
|A novel energy mapping approach for CT‐based attenuation correction in PET|
B Teimourian, MR Ay, MS Zafarghandi, P Ghafarian, H Ghadiri, H Zaidi
Medical physics 39 (4), 2078-2089, 2012
|Monte Carlo-based evaluation of inter-crystal scatter and penetration in the PET subsystem of three GE Discovery PET/CT scanners|
N Zeraatkar, MR Ay, P Ghafarian, S Sarkar, P Geramifar, A Rahmim
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2011
|Measurement of organ dose in abdomen-pelvis CT exam as a function of mA, KV and scanner type by Monte Carlo method|
MR Ay, M Shahriari, S Sarkar, P Ghafarian
INTERNATIONAL JOURNAL OF RADIATION RESEARCH 1 (4), 187-194, 2004
|Impact of image reconstruction methods on quantitative accuracy and variability of FDG-PET volumetric and textural measures in solid tumors|
A Ketabi, P Ghafarian, MA Mosleh-Shirazi, SR Mahdavi, A Rahmim, ...
European radiology 29 (4), 2146-2156, 2019
|MR-guided attenuation map for prostate PET-MRI: an intensity and morphologic-based segmentation approach for generating a five-class attenuation map in pelvic region|
MS Shandiz, HS Rad, P Ghafarian, MB Karam, A Akbarzadeh, MR Ay
Annals of nuclear medicine 31 (1), 29-39, 2017
|Development and validation of an accurate GATE model for NeuroPET scanner|
P Sheikhzadeh, H Sabet, H Ghadiri, P Geramifar, H Mahani, P Ghafarian, ...
Physica Medica 40, 59-65, 2017
|Evaluation of radiation exposure to staff and environment dose from [18F]-FDG in PET/CT and cyclotron center using thermoluminescent dosimetry|
S Zargan, P Ghafarian, AS Monfared, AA Sharafi, M Bakhshayeshkaram, ...
Journal of biomedical physics & engineering 7 (1), 1, 2017