OOIR: Observatory of International Research

Papers

(The TQCC of EJNMMI Physics is 7. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
Seracam: characterisation of a new small field of view hybrid gamma camera for nuclear medicine	49
Assessing small-lesion detectability and acquisition time optimisation in silicon-detector-Based PET: a phantom study	38
Technical opportunities and challenges in developing total-body PET scanners for mice and rats	37
Deep learning based bilateral filtering for edge-preserving denoising of respiratory-gated PET	36
Quantitative analysis of patient motion in walk-through PET scanner and standard axial field of view pet scanner using infrared-based tracking	35
Motion correction and its impact on quantification in dynamic total-body 18F-fluorodeoxyglucose PET	34
Investigation of image-based lesion and kidney dosimetry protocols for 177Lu-PSMA-I&T therapy with and without a late SPECT/CT acquisition	30
Deep-learning-based attenuation map generation in kidney single photon emission computed tomography	29
Position dependence of recovery coefficients in 177Lu-SPECT/CT reconstructions – phantom simulations and measurements	29
Context-level machine learning to improve the identification of lymph node and bone metastases in prostate cancer patients using [18F]PSMA-1007 PET	28
AI-based synthetic CT attenuation correction enables reliable quantitative SPECT in unilateral condylar hyperplasia	27
Performance evaluation of the 3D-ring cadmium–zinc–telluride (CZT) StarGuide system according to the NEMA NU 1-2018 standard	26
Investigation of PET image quality with acquisition time/bed and enhancement of lesion quantification accuracy through deep progressive learning	26
Comparison of a 3D CZT and conventional SPECT/CT system for quantitative Lu-177 SPECT imaging	25
Voxel-based dosimetry for predicting treatment response to transarterial radioembolization in hepatocellular carcinoma: significance of intratumoral dose distribution	25
An international phantom study of inter-site variability in Technetium-99m image quantification: analyses from the TARGET radioembolization study	25
Development of a bespoke phantom to optimize molecular PET imaging of pituitary tumors	24
CT radiation dose reduction with tin filter for localisation/characterisation level image quality in PET-CT: a phantom study	24
Estimation of kidney doses from [177Lu]Lu-DOTA-TATE PRRT using single time point post-treatment SPECT/CT	23
Automatic reorientation to generate short-axis myocardial PET images	23
Deep learning-based multi-frequency denoising for myocardial perfusion SPECT	23
Reproducibility of [18F]MK-6240 kinetics in brain studies with shortened dynamic PET protocol in healthy/cognitively normal subjects	22
Towards accurate partial volume correction in 99mTc oncology SPECT: perturbation for case-specific resolution estimation	22
Comparison of scatter and partial volume correction techniques for quantitative SPECT imaging of 225Ac	21
Diagnostic CT organ dose estimation in whole-body PET/CT examinations–comparison of a patient-specific monte carlo approach and a computational phantom-based CT dosimetry tool	20

Comparison of the dosimetry of scandium-43 and scandium-44 patient organ doses in relation to commonly used gallium-68 for imaging neuroendocrine tumours	20
Myocardial perfusion imaging SPECT left ventricle segmentation with graphs	20
External phantom-based validation of a deep-learning network trained for upscaling of digital low count PET data	19
Optimization of Q.Clear reconstruction for dynamic 18F PET imaging	19
Predicting PSA50 response to $$^{177}$$Lu-PSMA therapy using machine learning and automated total tumor volume	19
Feasibility study of unsupervised anomaly detection using Wasserstein GAN in SPECT image	19
CT-free quantitative SPECT for automatic evaluation of %thyroid uptake based on deep-learning	19
Performance evaluation of a medium axial field-of-view sparse PET system based on flat panels of monolithic LYSO detectors: a simulation study	18
Comparison of the dosimetry and cell survival effect of 177Lu and 161Tb somatostatin analog radiopharmaceuticals in cancer cell clusters and micrometastases	18
Developing a novel positronium biomarker for cardiac myxoma imaging	18
Quantitative validation of data-driven motion correction for brain PET using phantom with motion generator system	17
Optimising total knee replacement imaging: a novel 3D printed PET/CT anthropomorphic phantom for metal artefact simulation	17
A GATE simulation study for dosimetry in cancer cell and micrometastasis from the 225Ac decay chain	17
Optimization of 99mTc-SPECT in the presence of 90Y for radioembolization	17
Intravascular position-sensitive positron-counting catheter for atherosclerotic plaques	17
Clinical application of a population-based input function (PBIF) for a shortened dynamic whole-body FDG-PET/CT protocol in patients with metastatic melanoma treated by immunotherapy	16
Attenuation correction of cardiac 82Rb pet using deep learning generated synthetic CT	16
Detection of prostate cancer bone metastases with fast whole-body 99mTc-HMDP SPECT/CT using a general-purpose CZT system	16
Assessing the deep learning based image quality enhancements for the BGO based GE omni legend PET/CT	15
Biodistribution and radiation dosimetry of 124I-mIBG in adult patients with neural crest tumours and extrapolation to paediatric models	15
Validation of a data-driven motion-compensated PET brain image reconstruction algorithm in clinical patients using four radiotracers	15
A fully automated AI-based method for tumour detection and quantification on [18F]PSMA-1007 PET–CT images in prostate cancer	14
Advanced image reconstruction algorithms for high-resolution digital time-of-flight PET/CT enhance visualization of sub-clinical internal mammary lymph node metastases in breast cancer: a phantom and	14
Development of quantitative PET/MR imaging for measurements of hepatic portal vein input function: a phantom study	14
Development and validation of a prognostic nomogram model in locally advanced NSCLC based on metabolic features of PET/CT and hematological inflammatory indicators	13
Principal component analysis of texture features derived from FDG PET images of melanoma lesions	13
Segmentation method comparison for baseline [18F]FDG PET-CT in follicular lymphoma patients	13
Fast [177Lu]Lu-PSMA SPECT/CT with dual-energy acquisition and Monte Carlo-based scatter correction	13
Phantom-based investigation of block sequential regularised expectation maximisation (BSREM) reconstruction for zirconium-89 PET-CT for varied count levels	13
Kinetic model-informed deep learning for multiplexed PET image separation	13
A machine learning-based model for a dose point kernel calculation	13
The impact of data driven motion correction for clinical brain PET/MRI radiotracers	13
Accuracy of holmium-166 SPECT/CT quantification over a large range of activities	13
Feasibility study of a SiPM-fiber detector for non-invasive measurement of arterial input function for preclinical and clinical positron emission tomography	13
Assessing the feasibility of quantitative SPECT imaging for low 212Pb activity concentrations using anthropomorphic phantoms	13
Quantitative accuracy of preclinical in ovo PET/MRI: influence of attenuation and quantification methods	13
Do cell culturing influence the radiosensitizing effect of gold nanoparticles: a Monte Carlo study	13
Validation of $$^{99m}$$Tc and $$^{177}$$Lu quantification parameters for a Monte Carlo modelled gamma camera	12
177Lu-DOTA-0-Tyr3-octreotate infusion modeling for real-time detection and characterization of extravasation during PRRT	12
Smart scanning for two: [18F]FDG dose optimization for pregnant patients using LAFOV PET/CT technology	12
Evaluations of the performances of PET and MRI in a simultaneous PET/MRI instrument for pre-clinical imaging	12
Impact of scatter correction on personalized dosimetry in selective internal radiotherapy using 166Ho-PLLA: a single-center study including Monte-Carlo simulation, phantom and patient imaging	11
Concept development of an on-chip PET system	11
Correction: Feasibility study of a SiPM-fiber detector for non-invasive measurement of arterial input function for preclinical and clinical positron emission tomography	11
A deep learning-based whole-body solution for PET/MRI attenuation correction	11
Deep learning approximation of attenuation maps for myocardial perfusion SPECT with an IQ$$\varvec{\cdot {}}$$SPECT collimator	11
Improving image reconstruction to quantify dynamic whole-body PET/CT: Q.Clear versus OSEM	11
Towards harmonized holmium-166 SPECT image quality for dosimetry: a multi-center, multi-vendor study	11
From SPECT/CT towards absolute quantification? - the case of unilateral condylar hyperplasia of the mandible	11
Prediction of [177Lu]Lu-DOTA-TATE therapy response using the absorbed dose estimated from [177Lu]Lu-DOTA-TATE SPECT/CT in patients with metastatic neuroendocrine tumour	11

Generative restoration for cardiac PET attenuation correction: a two-stage 3D DDIM framework optimizing fidelity and clinical controllability	11
Quantitative [99mTc]Tc-MDP SPECT/CT correlated with [18F]NaF PET/CT for bone metastases in patients with prostate cancer	11
Image-space compensation of inter-crystal scattering in PET using a neural network based filter	11
Impact of image reconstruction on cerebral blood flow measured with 15O-water positron emission tomography	10
Reduction of [68Ga]Ga-DOTA-TATE injected activity for digital PET/MR in comparison with analogue PET/CT	10
Does consensus contours improve robustness and accuracy on $$^{18}$$F-FDG PET imaging tumor delineation?	10
Feasibility of a deep-inspiration breath-hold [18F]AlF-NOTA-LM3 PET/CT imaging on upper-abdominal lesions in NET patients: in comparison with respiratory-gated PET/CT	10
Quantifying DNA strand breaks from targeted alpha emitters 225Ac and 227Th via Geant4-DNA: implications for RBE and cell survival	10
Monte Carlo-based subcellular comparison of electron energy deposition by 177Lu and 161 Tb: implications for targeted radiopharmaceutical therapy	10
Development of a population of digital brain phantoms for radionuclide imaging research in Parkinson’s disease	10
Quantification and dosimetry of small volumes including associated uncertainty estimation	10
Shortened duration whole body 18F-FDG PET Patlak imaging on the Biograph Vision Quadra PET/CT using a population-averaged input function	9
Evaluation of relative biological effectiveness of 225Ac and its decay daughters with Monte Carlo track structure simulations	9
Continuous bed motion versus step-and-shoot acquisition in LAFOV PET/CT: insights from multi-phantom and patient studies	9
Evaluation of using small volume of interest regions for clinical kidney dosimetry in 177Lu-DOTATATE treatments	9
Organ and tumor dosimetry including method simplification for [177Lu]Lu-PSMA-I&T for treatment of metastatic castration resistant prostate cancer	9
Impact of patient size on image quality of OSEM3D and BSREM reconstructions in [68Ga]Ga-DOTA-TATE PET/MR	9
Ultra-low-dose CT for attenuation correction: dose savings and effect on PET quantification for protocols with and without tin filter	8
Accuracy of patient-specific I-131 dosimetry using hybrid whole-body planar-SPECT/CT I-123 and I-131 imaging	8
Design and proof of concept of a double-panel TOF-PET system	8
Assessment of different regions of interest-based methods for [99mTc]Tc DAT-SPECT quantification using an anthropomorphic striatal phantom	8
Preoperative SPECT/CT + intraoperative CT fusion enabling surgical augmented reality to target sentinel lymph node in endometrial cancer	8
Optimisation of the air fraction correction for lung PET/CT: addressing resolution mismatch	8
Performance evaluation of the nanoScan® P123S total-body PET	8
A revised compartmental model for biokinetics and dosimetry of 2-[18F]FDG	8
A critical phantom study of the energy window used for 99mTc quantitative explorations with a ring CZT SPECT system	8
Protection from contamination by 211At, an enigmatic but promising alpha-particle-emitting radionuclide	8
Analysis of a deep learning-based method for generation of SPECT projections based on a large Monte Carlo simulated dataset	7
Convolutional neural networks for automatic image quality control and EARL compliance of PET images	7
13N-NH3 myocardial perfusion imaging with reduced scan duration: a feasibility study in the era of total-body PET/CT	7
360° CZT-SPECT/CT cameras: 99mTc- and 177Lu-phantom-based evaluation under clinical conditions	7
Bridging physics and practice: evaluating sensitivity, septal penetration, and detector dead time in terbium-161 gamma-camera imaging	7
Impact of γ factor in the penalty function of Bayesian penalized likelihood reconstruction (Q.Clear) to achieve high-resolution PET images	7
Personalized three-dimensional dose calculation method based on multi-modal images in dosimetry assessment of prostate cancer with skull metastasis: a Monte Carlo simulation study	7
Machine-learning based quantification of lung shunt fraction from 99mTc-MAA SPECT/CT for selective internal radiation therapy of liver tumors using TriDFusion (3DF)	7
Validation of image-derived input function using a long axial field of view PET/CT scanner for two different tracers	7
Patient-specific dosimetry adapted to variable number of SPECT/CT time-points per cycle for $$^{177}$$Lu-DOTATATE therapy	7
Correction to: Quantitative SPECT/CT imaging of lead-212: a phantom study	7
Comparison of 18F-FDG PET image quality and quantitative parameters between DPR and OSEM reconstruction algorithm in patients with lung cancer	7
TriDFusion (3DF) image viewer	7
The SwiftScan step-and-shoot continuous mode improves SPECT scanning efficiency: a preliminary phantom and clinical test	7
Transfer learning‑based attenuation correction in 99mTc-TRODAT-1 SPECT for Parkinson’s disease using realistic simulation and clinical data	7