| 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 | 213 | 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, 6867-6879, 2019 | 108 | 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, 2533-2548, 2020 | 100 | 2020 |
| 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 | 42 | 2013 |
| 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 | 40 | 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, 655-665, 2013 | 39 | 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 | 34 | 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, 252-262, 2011 | 34 | 2011 |
| A review on human respiratory modeling P Ghafarian, H Jamaati, SM Hashemian Tanaffos 15 (2), 61, 2016 | 32 | 2016 |
| 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 | 31 | 2014 |
| 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 | 30 | 2019 |
| 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, 884-892, 2015 | 28 | 2015 |
| 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, 1077-1087, 2011 | 26 | 2011 |
| Synergistic impact of motion and acquisition/reconstruction parameters on 18F‐FDG PET radiomic features in non‐small cell lung cancer: Phantom and clinical … SA Hosseini, I Shiri, G Hajianfar, B Bahadorzadeh, P Ghafarian, H Zaidi, ... Medical Physics 49 (6), 3783-3796, 2022 | 24 | 2022 |
| 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 | 23 | 2017 |
| The impact of preprocessing on the PET-CT radiomics features in non-small cell lung cancer SA Hosseini, I Shiri, G Hajianfar, P Ghafarian, MB Karam, MR Ay Frontiers in Biomedical Technologies, 2021 | 22 | 2021 |
| 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, 2146-2156, 2019 | 21 | 2019 |
| Compton scatter tomography in TOF-PET H Hemmati, A Kamali-Asl, M Ay, P Ghafarian Physics in Medicine & Biology 62 (19), 7641, 2017 | 21 | 2017 |
| 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 | 18 | 2004 |
| The influence of misregistration between CT and SPECT images on the accuracy of CT-based attenuation correction of cardiac SPECT/CT imaging: Phantom and clinical studies L Saleki, P Ghafarian, A Bitarafan-Rajabi, N Yaghoobi, B Fallahi, MR Ay Iranian Journal of Nuclear Medicine 27 (2), 63-72, 2019 | 17 | 2019 |
