Tehran University of Medical Sciences

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Faculty Members have conducted research related to the A Novel Attention-Based Convolutional Neural Network for Joint Denoising and Partial Volume Correction of Low-Dose Pet Images
Peyman Sheikhzadeh
Peyman Sheikhzadeh

Assistant Professor of Medical Physics

Department Nuclear Medicine

School of Medicine

Imam Khomeini Hospital Complex

Tehran University of Medical Sciences

Related Documents
1. Investigation of Noise Reduction in Low-Dose Spect Myocardial Perfusion Images With a Generative Adversarial Network, 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record# NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors# RTSD 2022 (2021)
2. Deep Learning-Based Low-Dose Cardiac Gated Spect: Implementation in Projection Space Vs. Image Space, 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record# NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors# RTSD 2022 (2021)
3. Deep Learning–Based Denoising of Low-Dose Spect Myocardial Perfusion Images: Quantitative Assessment and Clinical Performance, European Journal of Nuclear Medicine and Molecular Imaging (2022)
4. Deep Learning-Based Techniques for Estimating High-Quality Full-Dose Positron Emission Tomography Images From Low-Dose Scans: A Systematic Review, BMC Medical Imaging (2024)
5. Utilizing Pix2pix Conditional Generative Adversarial Networks to Recover Missing Data in Preclinical Pet Scanner Sinogram Gaps, Physica Medica (2025)
All Documents
1. A Ct-Free Deep-Learning-Based Attenuation and Scatter Correction for Copper-64 Pet in Different Time-Point Scans, Radiological Physics and Technology (2025)
2. Computationally Efficient Collimator-Detector Response Compensation in High Energy Spect Using 1D Convolutions and Rotations, Physics in Medicine and Biology (2025)
3. Evaluation of Diagnostic Value of [67Ga]Ga-Phytate in Detection of Axillary Lymph Nodes in Breast Cancer Patients, Journal of Radioanalytical and Nuclear Chemistry (2025)
4. Generation of Synthetic Ct From Mri for Mri-Based Attenuation Correction of Brain Pet Images Using Radiomics and Machine Learning, Medical Physics (2025)
5. Organ Doses, Effective Dose, and Cancer Risk Estimation From Whole-Body Ct Scans in Pet-Ct Imaging, Applied Radiation and Isotopes (2025)
6. Pytomography: A Python Library for Medical Image Reconstruction, SoftwareX (2025)
7. Simplifying Radiomics Workflow for Predicting Grade of Glioma: An Approach for Rapid and Reproducible Radiomics, Journal of Biomedical Physics and Engineering (2025)
8. Uncertainty Propagation From Projections to Region Counts in Tomographic Imaging: Application to Radiopharmaceutical Dosimetry, IEEE Transactions on Medical Imaging (2025)
9. Utilizing Pix2pix Conditional Generative Adversarial Networks to Recover Missing Data in Preclinical Pet Scanner Sinogram Gaps, Physica Medica (2025)
10. A Brief Overview of Common Radiopharmaceuticals for Detection of Infection/Inflammation in Nuclear Medicine, Journal of Radioanalytical and Nuclear Chemistry (2024)
11. Assessment of Dual Time Point Protocols to Produce Parametric Ki Images in Fdg Pet/Ct: A Virtual Clinical Study, Medical Physics (2024)
12. Automated Deep Identification of Radiopharmaceutical Type and Body Region From Pet Images, Iranian Journal of Nuclear Medicine (2024)
13. Correlation of Radiomics Features Extracted From Nuclear Medicine Images With Lesion Metabolism in Patients With Colon Cancer; [بررسی همبستگی ویژگیهای رادیومیکس استخراجشده از تصاویر پزشکی هستهای با متابولیسم ضای در بیماران مبتلابه سرطان کولون], Tehran University Medical Journal (2024)
14. Deep Learning-Based Techniques for Estimating High-Quality Full-Dose Positron Emission Tomography Images From Low-Dose Scans: A Systematic Review, BMC Medical Imaging (2024)
15. Deep-Learning-Based Attenuation Correction For68 Ga-Dotatate Whole-Body Pet Imaging: A Dual-Center Clinical Study; [68Ga-Dotatate Tum Vucut Pet Goruntuleme Icin Derin Ogrenme Tabanli Atenuasyon Duzeltmesi: Cift Merkezli Bir Klinik Calisma], Molecular Imaging and Radionuclide Therapy (2024)
16. Design and Performance Evaluation of Partial Geometry Configurations of Total-Body Pet: A Monte Carlo Study, Iranian Journal of Nuclear Medicine (2024)
17. Design and Performance Evaluation of Sipm-Based High-Resolution Dedicated Brain Positron Emission Tomography Scanner: A Simulation Study, Journal of Medical Physics (2024)
18. Estimation of Kinetic Parameters in Dynamic Fdg Pet Imaging Based on Shortened Protocols: A Virtual Clinical Study, Physical and Engineering Sciences in Medicine (2024)
19. Impact of Attenuation Correction, Collimator, and Iterative Reconstruction Protocols On67ga Spect/Ct Quantification, Frontiers in Biomedical Technologies (2024)
20. Optimizing Scan Time and Bayesian Penalized Likelihood Reconstruction Algorithm in Copper-64 Pet/Ct Imaging: A Phantom Study, Biomedical Physics and Engineering Express (2024)
21. Pet Images Enhancement Using Deep Training of Reconstructed Images With Bayesian Penalized Likelihood Algorithm, Journal of Medical and Biological Engineering (2024)
22. Accurate Modeling and Performance Evaluation of a Total-Body Pet Scanner Using Monte Carlo Simulations, Medical Physics (2023)
23. Ct Radiomics Analysis of Primary Colon Cancer Patients With or Without Liver Metastases: A Correlative Study With [18F]Fdg Pet Uptake Values, Abdominal Radiology (2023)
24. Differential Privacy Preserved Federated Transfer Learning for Multi-Institutional 68Ga-Pet Image Artefact Detection and Disentanglement, European Journal of Nuclear Medicine and Molecular Imaging (2023)
25. Investigating the Attenuating Effect of Telmisartan Against Radiation-Induced Intestinal Injury Using 18F-Fdg Micro-Pet Imaging, International Journal of Radiation Biology (2023)
26. Investigation of Tg-43 Dosimetric Parameters for 192 Ir Brachytherapy Source Using Gate Monte Carlo Code, Journal of Medical Physics (2023)
27. Organ Doses, Effective Dose, and Cancer Risk Estimation From Head and Neck Ct Scans, Radiation Physics and Chemistry (2023)
28. Phantom and Clinical Evaluation of Block Sequential Regularized Expectation Maximization (Bsrem) Reconstruction Algorithm in 68Ga-Psma Pet-Ct Studies, Physical and Engineering Sciences in Medicine (2023)
29. Quantitative Evaluation of Scatter Correction in 128-Slice Fan-Beam Computed Tomography Scan Using Geant4 Application for Tomographic Emission Monte Carlo Simulation, Journal of Medical Signals and Sensors (2023)
30. Realizing 32-Time Scan Duration Reduction of 18F-Fdg Pet Using Deep Learning Model With Image Augmentation, Frontiers in Biomedical Technologies (2023)
31. The Effects of Various Penalty Parameter Values in Q.Clear Algorithm for Rectal Cancer Detection on 18F-Fdg Images Using a Bgo-Based Pet/Ct Scanner: A Phantom and Clinical Study, EJNMMI Physics (2023)
32. Bebig 60Co Hdr Brachytherapy Source Dosimetric Parameters Validation Using Gate Geant4-Based Simulation Code, Heliyon (2022)
33. Deep Adaptive Transfer Learning for Site-Specific Pet Attenuation and Scatter Correction From Multi-National/Institutional Datasets, 2022 IEEE NSS/MIC RTSD - IEEE Nuclear Science Symposium# Medical Imaging Conference and Room Temperature Semiconductor Detector Conference (2022)
34. Deep Learning–Based Denoising of Low-Dose Spect Myocardial Perfusion Images: Quantitative Assessment and Clinical Performance, European Journal of Nuclear Medicine and Molecular Imaging (2022)
35. Generation of 18F-Fdg Pet Standard Scan Images From Short Scans Using Cycle-Consistent Generative Adversarial Network, Physics in Medicine and Biology (2022)
36. Harmonization Based on Quantitative Analysis of Standardized Uptake Value Variations Across Pet/Ct Scanners: A Multicenter Phantom Study, Nuclear Medicine Communications (2022)
37. Histopathological Evaluation of Protective Effect of Telmisartan Against Radiation-Induced Bone Marrow Injury, Journal of Biomedical Physics and Engineering (2022)
38. Intensity-Modulated Brachytherapy for Vaginal Cancer, Radiological Physics and Technology (2022)
39. Investigating Radioprotective Effect of Hesperidin/Diosmin Compound Against 99Mtc-Mibi-Induced Cardiotoxicity: Animal Study, Cardiovascular Toxicology (2022)
40. The Necessity of Development and Manufacturing of Dedicated Brain Pet Scanners, Frontiers in Biomedical Technologies (2022)
41. Accurate Monte Carlo Modeling and Performance Evaluation of a Total-Body Pet Scanner, 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record# NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors# RTSD 2022 (2021)
42. Automatic Archiving and Classification of Positron Emission Tomography Images Using Deep Learning Models at Different Scan Times, 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record# NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors# RTSD 2022 (2021)
43. Covidense: Providing a Suitable Solution for Diagnosing Covid-19 Lung Infection Based on Deep Learning From Chest X-Ray Images of Patients, Frontiers in Biomedical Technologies (2021)
44. Deep Active Learning Model for Adaptive Pet Attenuation and Scatter Correction in Multi-Centric Studies, 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record# NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors# RTSD 2022 (2021)
45. Deep Learning-Based Low-Dose Cardiac Gated Spect: Implementation in Projection Space Vs. Image Space, 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record# NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors# RTSD 2022 (2021)
46. Investigation of Noise Reduction in Low-Dose Spect Myocardial Perfusion Images With a Generative Adversarial Network, 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record# NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors# RTSD 2022 (2021)
47. Lightweight Method for the Rapid Diagnosis of Coronavirus Disease 2019 From Chest X-Ray Images Using Deep Learning Technique, 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record# NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors# RTSD 2022 (2021)
48. Measurement of Radiation Exposure to Caregivers of Patients With Thyroid Diseases Treated With Iodine-131: A Review, Frontiers in Biomedical Technologies (2020)
49. Radiation Dose Assessment to Family Members Taking Care of Non-Cancerous Thyroid Patients Treated With I-131 Therapy in Nuclear Medicine Department, Radiation Protection Dosimetry (2020)
50. Design and Performance Evaluation of Spheroid Geometry for Brain Pet Scanner Using Monte Carlo Modeling, Iranian Journal of Nuclear Medicine (2019)
51. Design, Optimization and Performance Evaluation of Bm-Pet: A Simulation Study, Nuclear Instruments and Methods in Physics Research# Section A: Accelerators# Spectrometers# Detectors and Associated Equipment (2019)
52. The Effect of Date Palm Seed Extract As a New Potential Radioprotector in Gamma-Irradiated Mice, Journal of Cancer Research and Therapeutics (2019)
53. Concept Design and Monte Carlo Performance Evaluation of Headphonepet: A Novel Brain-Dedicated Pet System Based on Partial Cylindrical Detectors, Journal of Instrumentation (2018)
54. Development and Validation of an Accurate Gate Model for Neuropet Scanner, Physica Medica (2017)
55. Discriminant Analysis Between Myocardial Infarction Patients and Healthy Subjects Using Wavelet Transformed Signal Averaged Electrocardiogram and Probabilistic Neural Network, Journal of Medical Signals and Sensors (2013)