| SIRF: synergistic image reconstruction framework E Ovtchinnikov, R Brown, C Kolbitsch, E Pasca, C da Costa-Luis, ... Computer Physics Communications 249, 107087, 2020 | 53 | 2020 |
| Intensity normalization methods in brain FDG-PET quantification FJ López-González, J Silva-Rodríguez, J Paredes-Pacheco, ... Neuroimage 222, 117229, 2020 | 47 | 2020 |
| Hybrid PET-MR list-mode kernelized expectation maximization reconstruction D Deidda, NA Karakatsanis, PM Robson, YJ Tsai, N Efthimiou, ... Inverse Problems 35 (4), 044001, 2019 | 45 | 2019 |
| Implementation and validation of time-of-flight PET image reconstruction module for listmode and sinogram projection data in the STIR library N Efthimiou, E Emond, P Wadhwa, C Cawthorne, C Tsoumpas, ... Physics in Medicine & Biology 64 (3), 035004, 2019 | 40 | 2019 |
| Photon quantum entanglement in the MeV regime and its application in PET imaging DP Watts, J Bordes, JR Brown, A Cherlin, R Newton, J Allison, ... Nature communications 12 (1), 2646, 2021 | 38 | 2021 |
| Investigation of realistic PET simulations incorporating tumor patientˈs specificity using anthropomorphic models: Creation of an oncology database P Papadimitroulas, G Loudos, A Le Maitre, M Hatt, F Tixier, N Efthimiou, ... Medical physics 40 (11), 112506, 2013 | 35 | 2013 |
| TOF-PET image reconstruction with multiple timing kernels applied on Cherenkov radiation in BGO N Efthimiou, N Kratochwil, S Gundacker, A Polesel, M Salomoni, E Auffray, ... IEEE transactions on radiation and plasma medical sciences 5 (5), 703-711, 2020 | 31 | 2020 |
| Effect of PET-MR inconsistency in the kernel image reconstruction method D Deidda, NA Karakatsanis, PM Robson, N Efthimiou, ZA Fayad, ... IEEE transactions on radiation and plasma medical sciences 3 (4), 400-409, 2018 | 29 | 2018 |
| Initial results on SiPMs performance for use in medical imaging N Efthimiou, M Georgiou, G Argyropoulos, E Fysikopoulos, S David, ... Measurement Science and Technology 22 (11), 114001, 2011 | 26 | 2011 |
| PET image reconstruction using physical and mathematical modelling for time of flight PET-MR scanners in the STIR library P Wadhwa, K Thielemans, N Efthimiou, K Wangerin, N Keat, E Emond, ... Methods 185, 110-119, 2021 | 22 | 2021 |
| SimPET—An open online platform for the Monte Carlo simulation of realistic brain PET data. Validation for 18F‐FDG scans J Paredes‐Pacheco, FJ López‐González, J Silva‐Rodríguez, N Efthimiou, ... Medical physics 48 (5), 2482-2493, 2021 | 19 | 2021 |
| Efficiency of Lu2SiO5: Ce (LSO) powder phosphor as X-ray to light converter under mammographic imaging conditions S David, C Michail, I Valais, D Nikolopoulos, P Liaparinos, N Kalivas, ... Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2007 | 19 | 2007 |
| Fully digital FPGA-based data acquisition system for dual head PET detectors E Fysikopoulos, M Georgiou, N Efthimiou, S David, G Loudos, ... IEEE Transactions on Nuclear Science 61 (5), 2764-2770, 2014 | 18 | 2014 |
| Use of non-Gaussian Time-of-Flight kernels for image reconstruction of Monte Carlo simulated data of ultra-fast PET scanners N Efthimiou, K Thielemans, E Emond, C Cawthorne, SJ Archibald, ... EJNMMI Physics 7, 2020 | 16 | 2020 |
| Appropriately regularized OSEM can improve the reconstructed PET images of data with low count statistics. K Karaoglanis, I Polycarpou, N Efthimiou, C Tsoumpas Hellenic journal of nuclear medicine 18 (2), 140-145, 2015 | 16 | 2015 |
| New challenges for PET image reconstruction for total-body imaging N Efthimiou PET clinics 15 (4), 453-461, 2020 | 15 | 2020 |
| Potential benefits of incorporating energy information when estimating attenuation from PET data L Brusaferri, A Bousse, N Efthimiou, E Emond, D Atkinson, S Ourselin, ... 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC …, 2017 | 14 | 2017 |
| Effect of 176Lu intrinsic radioactivity on dual head PET system imaging and data acquisition, simulation, and experimental measurements N Efthimiou, G Loudos, NA Karakatsanis, GS Panayiotakis Medical Physics 40 (11), 112505, 2013 | 14 | 2013 |
| Image reconstruction analysis for positron emission tomography with heterostructured scintillators P Mohr, N Efthimiou, F Pagano, N Kratochwil, M Pizzichemi, C Tsoumpas, ... IEEE transactions on radiation and plasma medical sciences 7 (1), 41-51, 2022 | 12 | 2022 |
| Spill-in counts in the quantification of 18F-florbetapir on Aβ-negative subjects: the effect of including white matter in the reference region FJ López-González, A Moscoso, N Efthimiou, A Fernández-Ferreiro, ... EJNMMI physics 6, 1-17, 2019 | 12 | 2019 |
Charalampos TsoumpasUniversity Medical Center Groningen, University of GroningenVerified email at umcg.nl
