Homepage, Johan Nuyts

Johan Nuyts

Nuclear Medicine and Medical Imaging Research Center, K.U.Leuven,
U.Z. Gasthuisberg, Herestraat 49,
B3000 Leuven Belgium
tel: 32-16/34.37.15
Email: Johan.Nuyts, then the at-sign, then kuleuven.be

Collaborators:

Georg Schramm, professor, Homepage
Ahmadreza Rezaei, PhD
Simon Noë
Seyed Amir Zamanpour

Contents:

Publications
Links
Internal reports (if the link doesn't open, right-click and copy the link, and paste it into your browser).

Publications

This list contains most of our publications on SPECT, PET and CT imaging. The copyright of the papers is with the IEEE, with the IOP, with AAPM, with Elsevier or with SPIE. The papers are made available here for personal use only, with permission from the copyright holders.
The IEEE journals are online at IEEE Xplore. ©20xx IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. (See IEEE copyright policy).
Physics in Medicine and Biology is online at PMB. For more information on copyright see IOPP copyright notice.
Methods can be found at Elsevier Journals, for the copyright policy, see Elsevier copyright.
Medical Physics can be found at Med Phys.
SPIE can be found at SPIE.

Journal papers

Seyed Amir Zaman Pour, Ahmadreza Rezaei, Floris Jansen, Kristof Baete, Georg Schramm, Johan Nuyts. "Strengths and weaknesses of Energy-Based Scatter Estimation using three basis functions", Physics in Medicine and Biology, 2026, in press. pdf.
Simon Noë, Seyed Amir Zaman Pour, Ahmadreza Rezaei, Charles Stearns, Johan Nuyts, Georg Schramm. "Object independent scatter sensitivities for PET, applied to scatter estimation through fast Monte Carlo simulation", Physics in Medicine and Biology, 2026, 71 (2) 025020. Phys Med Biol, pdf.
Johan Nuyts, Michel Defrise, Christian Morel, Paul Lecoq. "How the sensitivity of TOF-PET depends on the interplay between the temporal and spatial detector resolutions and the resolution required for the imaging task", Physics in Medicine and Biology, 2025, 70 245001. Phys Med Biol, pdf.
JN, MD, CM, PL, Corrigendum (of an error in equation (54) of the paper above), Physics in Medicine and Biology, 2025, 71 019501: Phys Med Biol,
Masoud Elhamiasl, Frédéric Jolivet, Ahmadreza Rezaei, Michael Fieseler, Klaus Schäfers, Johan Nuyts, Georg Schramm, Fernando Boada, "Joint estimation of activity, attenuation and motion in respiratory-self-gated time-of-flight PET", Physics in Medicine & Biology, 2025, 70, 075003. Phys Med Biol, arXiv.
Johan Nuyts, Seyed Amir Zaman Pour, Simon Noë, Georg Schramm, Ahmadreza Rezaei. "On estimating the effective sensitivity of a TOF-PET system for a particular imaging task", Journal of Instrumentation, 2024, 19 (12): C12002. Journal of Instrumentation, pdf.
Georg Schramm, Marina Filipovic, Yongxian Qian, Alaleh Alivar, Yvonne W. Lui, Johan Nuyts, Fernando Boada, "Resolution enhancement, noise suppression, and joint T2* decay estimation in dual-echo sodium-23 MR imaging using anatomically guided reconstruction", Magnetic Resonance in Medicine 2024; 91:1404-1418. arXiv, MRM.
Johan Nuyts, Michel Defrise, Christian Morel, Paul Lecoq, "The SNR of time-of-flight positron emission tomography data for joint reconstruction of the activity and attenuation images", Physics in Medicine and Biology, 2023, DOI 10.1088/1361-6560/ad078c, Phys. Med. Biol., pdf.
K. Merken, J. Monnens, N. Marshall, J. Nuyts, D.M. Brasil, G.M. Santaella, C. Politis, R. Jacobs, H. Bosmans. "Development and validation of a 3D anthropomorphic phantom for dental CBCT imaging research", Medical Physics, 2023, DOI: 10.1002/mp.16661. Medical Physics (open access) pdf.
P. Lecoq, A.J. Gonzalez, E. Auffray, G. Konstantinou, J. Nuyts, J.O. Prior, R. M. Turtos, J. Varela. "Fast timing in medical imaging". IEEE Transactions on Radiation and Plasma Medical Sciences, 2023, 7 (5): 429-452. IEEE Xplore early access, pdf.
Johan Nuyts, Michel Defrise, Stefan Gundacker, Emilie Roncali, Paul Lecoq. "The SNR of positron emission data with Gaussian and non-Gaussian time-of-flight kernels, with application to prompt photon coincidence", IEEE Trans. Med. Imaging 2022, doi: 10.1109/TMI.2022.3225433. IEEE TMI early access, pdf.
Masoud Elhamiasl, Koen Salvo, Kenneth Poels, Gilles Defraene, Maarten Lambrecht, Xavier Geets, Edmond Sterpin, Johan Nuyts. "Low-dose CT allows for accurate proton therapy dose calculation and plan optimization". Phys. Med. Biol. 2022, 67 (19): 195015. Phys. Med. Biol. pdf.
Paul Lecoq, Georgios Konstantinou, Riccardo Latella, Laura Moliner, Johan Nuyts, Lei Zhang, John Barrio, Jose M. Benlloch, Antonio J. Gonzalez. "Metascintillators: New Results for TOF-PET Applications". IEEE Transactions on Radiation and Plasma Medical Sciences, 2022; 6 (5): 510-516. IEEE TRPMS, TechRxiv.
Xikai Tang, Esmaeel Jafargholi Rangraz, Richard 's Heeren, Walter Coudyzer, Geert Maleux, Kristof Baete, Chris Verslype, Mark J. Gooding, Christophe M. Deroose, Johan Nuyts. "Segmentation-guided multi-modal registration of liver images for dose estimation in SIRT". EJNMMI Phys 9, 3 (2022). EJNMMI Physics, pdf.
Frédéric Jolivet, Georg Schramm, Johan Nuyts. "One-step inversion algorithms for spectral CT, with application to dynamic Cone Beam CT". arXiv preprint 2021; arXiv:2112.09375. arXiv.
D.R. Schaart, G. Schramm, J. Nuyts, S. Surti. "Time of flight in perspective: instrumental and computational aspects of time resolution in positron emission tomography". IEEE transactions on radiation and plasma medical sciences, 2021; 5(5): 598-618. IEEE TRPMS, pdf.
Marta Freire, Andrea Gonzalez-Montoro, Gabriel Canizares, Ahmadreza Rezaei, Johan Nuyts, Stuart S. Berr, Mark B. Williams, Jose M. Benlloch, Antonio J. Gonzalez. "Experimental validation of a rodent PET scanner prototype based on a single LYSO crystal tube". IEEE Transactions on Radiation and Plasma Medical Sciences, vol. 6, no. 6, pp. 697-706, July 2022, doi: 10.1109/TRPMS.2021.3124448. IEEE TRPMS
Ahmadreza Rezaei, Matthew Spangler-Bickell, Georg Schramm, Koen Van Laere, Johan Nuyts, Michel Defrise. "Rigid motion tracking using moments of inertia in TOF-PET Brain Studies", Phys Med Biol, 2021, 66 (18): 184001. PMB, pdf.
Tao Sun, Reinhilde Jacobs, Ruben J. Pauwels, Elisabeth Tijskens, Roger R. Fulton, Johan Nuyts. "A motion correction approach for oral and maxillofacial cone-beam CT imaging", Physics in Medicine & Biology, 2021, 66 125008. PMB, pdf.
Marina Vergara, Ahmadreza Rezaei, Georg Schramm, Maria Jose Rodriguez-Alvarez, Jose Maria Benlloch Baviera, Johan Nuyts. "2D feasibility study of joint reconstruction of attenuation and activity in limited angle TOF-PET", IEEE Transactions on Radiation and Plasma Medical Sciences, 2021, 5 (5): 712-722. IEEE TRPMS, pdf.
Steven R Meikle, Vesna Sossi, Emilie Roncali, Simon R Cherry, Richard Banati, David Mankoff, Terry Jones, Michelle James, Julie Sutcliffe, Jinsong Ouyang, Yoann Petibon, Chao Ma, Georges El Fakhri, Suleman Surti, Joel S. Karp, Ramsey D. Badawi, Taiga Yamaya, Go Akamatsu, Georg Schramm, Ahmadreza Rezaei, Johan Nuyts, Roger Fulton, André Kyme, Cristina Lois, Hasan Sari, Julie Price, Ronald Boellaard, Robert Jeraj, Dale L Bailey, Enid Eslick, Kathy P Willowson, Joyita Dutta. "Quantitative PET in the 2020s: a roadmap". Physics in Medicine & Biology, 2021, 66 (6). PMB, pdf.
Georg Schramm, David Rigie, Thomas Vahle, Ahmadreza Rezaei, Koen van Laere, Timothy Shepherd, Johan Nuyts, Fernando Boada. "Approximating anatomically-guided PET reconstruction in image space using a convolutional neural network". NeuroImage, 2021, 224: 117399. NeuroImage, pdf.
Esmaeel Jafargholi Rangraz, Xikai Tang, Charlotte Van Laeken, Geert Maleux, Jeroen Dekervel, Eric Van Cutsem, Chris Verslype, Kristof Baete, Johan Nuyts, Christophe M. Deroose. "Quantitative comparison of pre-treatment predictive and post-treatment measured dosimetry for selective internal radiation therapy using cone-beam CT for tumor and liver perfusion territory definition", EJNMMI Research, 2020, 10 (1) 1-20. EJNMMI Research, pdf.
Paul Lecoq, Christian Morel, John O Prior, Dimitris Visvikis, Stefan Gundacker, Etiennette Auffray, Peter Križan, Rosana Martinez Turtos, Dominique Thers, Edoardo Charbon, Joao Varela, Christophe de La Taille, Angelo Rivetti, Dominique Breton, Jean-François Pratte, Johan Nuyts, Suleman Surti, Stefaan Vandenberghe, Paul Marsden, Katia Parodi, Jose Maria Benlloch, Mathieu Benoit. "Roadmap toward the 10 ps time-of-flight PET challenge", Physics in Medicine and Biology, 2020: 21RM01. PMB, pdf.
Masoud Elhamiasl, Johan Nuyts, "Low-dose X-ray CT simulation from an available higher-dose scan", Physics in Medicine & Biology, 2020, 65 (13): 135010. PMB, pdf.
Xikai Tang, Esmaeel Jafargholi Rangraz, Walter Coudyzer, Jeroen Bertels, David Robben, Georg Schramm, Wies Deckers, Geert Maleux, Kristof Baete, Chris Verslype, Mark J. Gooding, Christophe M. Deroose, Johan Nuyts, "Whole liver segmentation based on deep learning and manual adjustment for clinical use in SIRT", European Journal of Nuclear Medicine and Molecular Imaging, 2020, 47 (12): 2742-2752. EJNMMI pdf.
Ahmadreza Rezaei, Georg Schramm, Koen Van Laere, Johan Nuyts, "Estimation of crystal timing properties and efficiencies for the improvement of (joint) maximum-likelihood reconstructions in TOF-PET", IEEE Trans Med Imaging, 2019, 39 (4): 952-963. IEEE-TMI, pdf.
Yu-Jung Tsai, Georg Schramm, Sangtae Ahn, Alexandre Bousse, Simon Arridge, Johan Nuyts, Brian F. Hutton, Charles W. Stearns, Kris Thielemans, "Benefits of using a spatially-variant penalty strength with anatomical priors in PET reconstruction", IEEE Trans Med Imaging, 2019, 39 (1): 11-22. IEEE-TMI pdf.
Ahmadreza Rezaei, Georg Schramm, Stefanie M.A. Willekens, Gaspar Delso, Koen Van Laere, Johan Nuyts. "A quantitative evaluation of joint activity and attenuation reconstruction in TOF-PET/MR brain imaging", J. Nucl. Med., 2019, 60 (11): 1649-1655. J Nucl Med, pdf.
Esmaeel Jafargholi Rangraz, Walter Coudyzer, Geert Maleux, Kristof Baete, Christophe M. Deroose, Johan Nuyts. "Multi-modal image analysis for semi-automatic segmentation of the total liver and liver arterial perfusion territories for radioembolization", EJNMMI Research, 2019, 9 (1): 1-21. Springer Nature SharedIt, pdf.
Georg Schramm, Michel Koole, Stefanie M. A. Willekens, Ahmadreza Rezaei, Donatienne Van Weehaeghe, Gaspar Delso, Ronald Peeters, Nathalie Mertens, Johan Nuyts, Koen Van Laere. "Regional accuracy of ZTE-based attenuation correction in static [¹⁸F]FDG and dynamic [¹⁸F]PE2I brain PET/MR", Frontiers in Physics, 2019: 7: 211, and PDFs of the paper and supplementary material. An earlier version (2018) of the paper is in arXiv:1806.03481 [physics.med-ph].
Johan Nuyts, Ahmadreza Rezaei, Michel Defrise. "The validation problem of joint emission/transmission reconstruction from TOF-PET projections", IEEE Transactions on Radiation and Plasma Medical Sciences, 2018, 2.4: 273-278. IEEE TRPMS, pdf.
Michel Defrise, Ahmadreza Rezaei, Johan Nuyts. "Time-of-flight PET time calibration using data consistency", Phys. Med. Biol., 2018, 63.10: 105006. Phys. Med. Biol. pdf.
Ahmadreza Rezaei, Christophe M Deroose, Thomas Vahle, Fernando Boada, Johan Nuyts. "Joint Reconstruction of Activity and Attenuation in Time-of-Flight PET: A Quantitative Analysis." J Nucl Med, 2018, jnumed. 117.204156. JNM and pdf (paper + suppl. material).
Georg Schramm, Martin Holler, Ahmadreza Rezaei, Kathleen Vunckx, Florian Knoll, Kristian Bredies, Fernando Boada, Johan Nuyts. "Evaluation of parallel level sets and Bowsher's method as segmentation-free anatomical priors for time-of-flight PET reconstruction", IEEE Trans Med Imaging, 2018; 37 (2): 590-603, DOI 10.1109/TMI.2017.2767940. IEEE TMI, PDFs of paper and supplementary material.
D L Bailey, B J Pichler, B Gückel, G Antoch, H Barthel, Z M Bhujwalla, S Biskup, S Biswal, M Bitzer, R Boellaard, R F Braren, C Brendle, K Brindle, A Chiti, C la Fougère, R Gillies, V Goh, M Goyen, M Hacker, L Heukamp, G M Knudsen, A M Krackhardt, I Law, J C Morris, K Nikolaou, J Nuyts, A A Ordonez, K Pantel, H H Quick, K Riklund, O Sabri, B Sattler, E G C Troost, M Zaiss, L Zender, Thomas Beyer. "Combined PET/MRI: Global Warming-Summary Report of the 6th International Workshop on PET/MRI, March 27-29, 2017, Tübingen, Germany." Molecular Imaging and Biology. 2017 Oct 2:1-7. Mol Imaging Biol (open access).
Ahmadreza Rezaei, Koen Salvo, Thomas Vahle, Vladimir Panin, Michael Casey, Fernando Boada, Michel Defrise, Johan Nuyts. "Plane-dependent ML scatter scaling: 3D extension of the 2D simulated single scatter (SSS) estimate". Physics in Medicine and Biology, 2017, 62 (16): 6515-6531. Phys. Med. Biol., pdf.
Tao Sun, Rolf Clackdoyle, Jung-Ha Kim, Roger Fulton, Johan Nuyts. "Estimation of local data-insufficiency in motion-corrected helical CT", IEEE Transactions on Radiation and Plasma Medical Sciences, 2017, 1 (4): 346-357. IEEE TRPMS, pdf.
A. Turco, J. Nuyts, J. Duchenne, O. Gheysens, J. U. Voigt, P. Claus, K. Vunckx, "Analysis of partial volume correction on quantification and regional heterogeneity in cardiac PET". Journal of Nuclear Cardiology, 2017. J Nucl Cardiol online, pdf.
Matthew G. Spangler-Bickell, Bart de Laat, Roger Fulton, Guy Bormans, Johan Nuyts. "The effect of isoflurane on ¹⁸F-FDG uptake in the rat brain: a fully conscious dynamic PET study using motion compensation". EJNMMI Research, 2016, 6: 86. EJNMMI Research online, pdf.
Koen Michielsen, Lesley Cockmartin, Nicholas Marshall, Hilde Bosmans, Johan Nuyts. "Design of a model observer to evaluate calcification detectability in breast tomosynthesis and application to smoothing prior optimization", Medical Physics, 2016; 43 (12): 6577-6587. Med. Phys., pdf.
D. L. Bailey, B. J. Pichler, B. Gückel, H. Barthel, A. J. Beer, R. Botnar, R. Gillies, V. Goh, M. Gotthardt, R. J. Hicks, R. Lanzenberger, C. la Fougere, M. Lentschig, S. G. Nekolla, T. Niederdraenk, K. Nikolaou, J. Nuyts, D. Olego, K. Åhlström Riklund, A. Signore, M. Schäfers, V. Sossi, M. Suminski, P. Veit-Haibach, L. Umutlu, M. Wissmeyer, T. Beyer. "Combined PET/MRI: from Status Quo to Status Go. Summary Report of the Fifth International Workshop on PET/MR Imaging; February 15-19, 2016; Tübingen, Germany", Molecular Imaging and Biology, 2016; 18 (5): 637-650. Springer online.
Anna Turco, Johan Nuyts, Olivier Gheysens, Jürgen Duchenne, Jens-Uwe Voigt, Piet Claus, Kathleen Vunckx. "Lesion quantification and detection in myocardial 18F-FDG PET using edge-preserving priors and anatomical information from CT and MRI: a simulation study", EJNMMI Physics, 2016; 3:9, DOI 10.1186/s40658-016-0145-4. EJNMMI Phyics online, pdf.
Didier Benoit, Claes N. Ladefoged, Ahmadreza Rezaei, Sune H. Keller, Flemming L. Andersen, Liselotte Højgaard, Adam E. Hansen, Søren Holm, Johan Nuyts. "Optimized MLAA for quantitative non-TOF PET/MR of the brain", Phys Med Biol, 2016, 61.24: 8854. Phys. Med. Biol. pdf
Tao Sun, Jung-Ha Kim, Roger Fulton, Johan Nuyts, "An iterative projection-based motion estimation and compensation scheme for head X-ray CT", Medical Physics, 2016, 43(10): 5705-5716. Med Phys online, pdf
Matthew G. Bickell, Lin Zhou, Andre Z. Kyme, Bart De Laat, Roger R. Fulton, Johan Nuyts. "Optimising rigid motion compensation for small animal brain PET imaging", Phys. Med. Biol., 2016; 61: 7047 - 7091 PMB online, pdf.
Matthew G. Bickell, Lin Zhou, Johan Nuyts. "Spatially variant resolution modelling for iterative list-mode PET reconstruction", IEEE Trans Med Imaging, 2016; 35 (7): 1707-1718. IEEE TMI, pdf.
Ahmadreza Rezaei, Christian Michel, Michael E. Casey, Johan Nuyts. "Simultaneous Reconstruction of the Activity Image and Registration of the CT Image in TOF-PET", Phys Med Biol, 2016; 61 (4): 1852-1874. PMB online, pdf
Jung-Ha Kim, Tao Sun, Abdul Alcheikh, Zdenka Kuncic, Johan Nuyts, Roger Fulton. "Correction for human head motion in helical X-ray CT", Phys Med Biol, 2016; 61 (4): 1416-1438. PMB online, pdf
Jean-Yves Wielandts, Stijn De Buck, Koen Michielsen, Ruan Louw, Christophe Garweg, Johan Nuyts, Joris Ector, Frederik Maes, Hein Heidbuchel, "Multi-phase rotational angiography of the left ventricle to assist ablations: feasibility and accuracy of novel imaging", European Heart Journal-Cardiovascular Imaging, 2016; 17 (2): 162-168. EHJ-CI, pdf
Anna Turco, Olivier Gheysens, Johan Nuyts, Jens-Uwe Voigt, Piet Claus, Kathleen Vunckx. "Impact of CT-based attenuation correction on the registration between dual-gated cardiac PET and high-resolution CT", IEEE Trans Nucl Sci, 2016; 63 (1): 180-192. IEEE TNS, pdf
Koen Michielsen, Johan Nuyts. "Multigrid reconstruction with block-iterative updates for breast tomosynthesis", Medical Physics, 2015; 42 (11): 6537-6548. Med Phys online, pdf
Jung-Ha Kim, Johan Nuyts, Andre Kyme, Zdenka Kuncic, Roger Fulton. "A rigid motion correction method for helical computed tomography (CT)". Phys Med Biol, 2015, 60 (5): 2047-2073. PMB online, pdf
Johan Nuyts."Unconstrained image reconstruction with resolution modelling does not have a unique solution", EJNMMI Physics, 2014, 1:98. EJNMMI Physics, pdf
Katrien Van Slambrouck, Simon Stute, Claude Comtat, Merence Sibomana, Floris H.P. van Velden, Ronald Boellaard, Johan Nuyts. "Bias reduction for low-statistics PET: Maximum likelihood reconstruction with a modified Poisson distribution", IEEE Trans Med Imaging, 2015; 34 (1): 126-136. IEEE-TMI, pdf
K. Vunckx, P. Dupont, K. Goffin, W. Van Paesschen, K. Van Laere, J. Nuyts. "Voxel-based comparison of state-of-the-art reconstruction algorithms for ¹⁸F-FDG PET brain imaging using simulated and clinical data", NeuroImage, 2014; 102: 875-884. NeuroImage, pdf
Ahmadreza Rezaei, Michel Defrise, Johan Nuyts. "ML-reconstruction for TOF-PET with simultaneous estimation of the attenuation factors", IEEE Trans Med Imaging, 2014; 33 (7): 1563-1572. IEEE-TMI, pdf
Michel Defrise, Ahmadreza Rezaei, Johan Nuyts. "Transmission-less attenuation correction in time-of-flight PET: analysis of a discrete iterative algorithm", Phys. Med. Biol. 2014, 59: 1073-1095, Phys. Med. Biol pdf
Katrien Van Slambrouck, Johan Nuyts. "Reconstruction scheme for accelerated maximum likelihood reconstruction: the patchwork structure", IEEE Trans Nucl Sci, 2014; 61 (1): 173-181. IEEE TNS, pdf
Lin Zhou, Kathleen Vunckx, Johan Nuyts. "Parallel hole and rotating slat collimators: comparative study using digital contrast phantoms", IEEE Trans Nucl Sci, 2013; 60 (5): 3282-3289. IEEE TNS, pdf
Johan Nuyts, Bruno De Man, Jeffrey A Fessler, Wojciech Zbijewski, Freek J Beekman. "Modelling the physics in the iterative reconstruction for transmission computed tomography", Phys. Med. Biol., 58 (2013) R63-R96. Phys Med Biol (free access), pdf
Jung-Ha Kim, Johan Nuyts, Zdenka Kuncic, Roger Fulton, "The feasibility of head motion tracking in helical CT: a step towards motion correction", Medical Physics, 2013 Apr;40(4):041903. Medical Physics, pdf
Koen Michielsen, Katrien Van Slambrouck, Anna Jerebko, Johan Nuyts. "Patchwork reconstruction with resolution modeling for digital breast tomosynthesis", Medical Physics , 2013; 40 (3): 031105 (10 pp). Medical Physics, pdf
Johan Nuyts, Girish Bal, Frank Kehren, Matthias Fenchel, Christian Michel, Charles Watson. "Completion of a truncated attenuation image from the attenuated PET emission data", IEEE Trans Med Imag, 2013; 32(2): 237-246. IEEE-TMI, pdf
Katrien Van Slambrouck, Johan Nuyts. "Metal artifact reduction in computed tomography using local models in an image block-iterative scheme", Medical Physics, 2012;39(11):7080-7093. Medical Physics, pdf
A Rezaei, M Defrise, G Bal, C Michel, M Conti, C Watson, J Nuyts. "Simultaneous reconstruction of activity and attenuation in time-of-flight PET", IEEE Trans Med Imag, 2012; 31 (12): 2224-2233. IEEE-TMI, pdf
M Defrise, A Rezaei, J Nuyts. "Time-of-flight PET data determine the attenuation sinogram up to a constant", Phys Med Biol, 2012, 57 (4), 885-899. Phys. Med. Biol., pdf
K Vunckx, A Atre, K Baete, A Reilhac, CM Deroose, K Van Laere, J Nuyts. "Evaluation of three MRI-based anatomical priors for quantitative PET brain imaging", IEEE Trans Med Imaging, 31(3):599-612, 2012. IEEE-TMI, pdf
Guozhi Zhang, Ruben Pauwels, Nicholas Marshall, Eman Shaheen, Johan Nuyts, Reinhilde Jacobs, Hilde Bosmans. "Development and validation of a hybrid simulation technique for cone beam CT: application to an oral imaging system" Phys Med Biol, 2011; 56: 5823-5843. Phys. Med. Biol.,
L Zhou, K Vunckx, J Nuyts. "Multi-pinhole SPECT calibration: influence of data noise and systematic orbit deviations", IEEE Trans Med Imaging, 2011; 30 (10): 1795 - 1807. IEEE-TMI, pdf
G Van Gompel, K Van Slambrouck, M Defrise, KJ Batenburg, J de Mey, J Sijbers, J Nuyts. "Iterative correction of beam hardening artifacts in CT", Medical Physics, 2011; 38 Suppl 1: S36-S49. Medical Physics, pdf
L Zhou, M Defrise, K Vunckx, J Nuyts. "Comparison between parallel hole and rotating slat collimation: analytical noise propagation models", IEEE Trans Med Imaging, 2010; 29 (12): 2038-2052. IEEE-TMI, pdf
K Vunckx, L Zhou, S Matej, M Defrise, J Nuyts. "Fisher information-based evaluation of image quality for time-of-flight PET", IEEE Trans Med Imaging, 2010; 29 (2): 311-321. IEEE-TMI, pdf
K Vunckx, J Nuyts, B Vanbilloen, M De Saint-Hubert, D Vanderghinste, D Rattat, FM Mottaghy, M Defrise. "Optimized multipinhole design for mouse imaging", IEEE Trans Nucl Sci, 56(5): 2696-2705, 2009. IEEE TNS, pdf
J. Nuyts, K. Vunckx, M. Defrise, C. Vanhove. "Small animal imaging with multi-pinhole SPECT", Methods, 2009; 48: 83-91. Methods, pdf.
C Lemmens, D Faul, J Nuyts. "Suppression of metal artifacts in CT using a reconstruction procedure that combines MAP and projection completion" IEEE Trans Med Imaging, 2009; 28 (2): 250-260. IEEE-TMI, pdf
L. Zhou, P. Dupont, K. Baete, W. Van Paesschen, K Van Laere, J.Nuyts "Detection of inter-hemispheric metabolic asymmetries in FDG-PET images using prior anatomical information" NeuroImage, 2009; 44 (1): 35-42. NeuroImage, pdf
J Nuyts, C Michel, L Brepoels, L De Ceuninck, C Deroose, K Goffin, FM Mottaghy, S Stroobants, J Van Riet, R Verscuren. "Performance of MAP Reconstruction for Hot Lesion Detection in Whole-body PET/CT: an Evaluation with Human and Numerical Observers" IEEE Trans Med Imaging, 2009; 28 (1): 67-73. IEEE-TMI, pdf
C Lemmens, M-L Montandon, J Nuyts, O Ratib, P Dupont, H Zaidi. "Impact of metal artefacts due to EEG electrodes in brain PET/CT imaging". Phys Med Biol, 2008; 53: 4417-4429. Phys Med Biol, pdf.
K Vunckx, P Suetens, J Nuyts. "Effect of overlapping projections on reconstruction image quality in multipinhole SPECT". IEEE Trans Med Imaging. 2008; 27 (7), pp:972-983. IEEE-TMI, pdf
M Defrise, C Vanhove, J Nuyts. "Perturbative Refinement of the Geometric Calibration in Pinhole SPECT", IEEE Trans Med Imaging, 2008; 27 (2): 204-214. IEEE-TMI, pdf.
K Vunckx, D Bequé, M Defrise, J Nuyts. "Single and multipinhole collimator design evaluation method for small animal SPECT", IEEE Trans Med Imaging, 2008; 27 (1): 36-46. IEEE-TMI, pdf
C Lemmens, J Nuyts, S Dirix, S Stroobants. "Reduction of the influence of intravenous contrast in PET/CT by using a threshold conversion method", IEEE Trans Nucl Sci, 2007 (5), Part 1: 1687-1695. IEEE-TNS, pdf
J Nuyts, K Baete, D Bequé, P Dupont. "Comparison between MAP and post-processed ML for image reconstruction in emission tomography when anatomical knowledge is available." IEEE Trans Med Imaging. 2005; 24 (5): 667-675. IEEE-TMI, pdf
D. Bequé, J. Nuyts, P. Suetens, G. Bormans. "Optimization of geometrical calibration in pinhole SPECT". IEEE Trans Med Imaging, 2005; 24 (2): 180-190. IEEE-TMI, pdf
K Baete, J Nuyts, K Van Laere, W Van Paesschen, S Ceyssens, L De Ceuninck, O Gheysens, A Kelles, J Van den Eynden, P Suetens, P Dupont. "Evaluation of anatomy based reconstruction for partial volume correction in brain FDG-PET." NeuroImage, 2004, 23, (1): 305-317. NeuroImage, pdf.
K Baete, J Nuyts, W Van Paesschen, P Suetens, P Dupont. "Anatomical based FDG-PET reconstruction for the detection of hypo-metabolic regions in epilepsy." IEEE Trans Med Imaging, 2004: 23, (4): 510-519. IEEE TMI, pdf
D Bequé, J Nuyts, Guy Bormans, P Suetens, P Dupont. "Characterization of pinhole SPECT acquisition geometry." IEEE Trans Med Imaging: 2003: 22; 599-612. IEEE-TMI, pdf
J Nuyts, JA Fessler. "A penalized-likelihood image reconstruction method for emission tomography, compared to post-smoothed maximum-likelihood with matched spatial resolution." IEEE Trans Med Imaging,, 2003; 22, pp 1042-52. IEEE-TMI, pdf
C Schiepers, C Hoh, J Nuyts, H Wu, M Phelps, M Dahlbom. "Factor analysis in prostate cancer: Delineation of organ structures and automatic generation of in- and output functions". IEEE Trans Nucl Sci, 2002; 49 (5): 2338-2343. IEEE-TNS, pdf
J Nuyts, L Mortelmans, F Van de Werf, J Djian, G Sambuceti, M Schwaiger, P Touboul, A Maes and the PSALM study group. "Cardiac phantom measurement validating the methodology for a cardiac multi-centre trial with positron emission tomography." Eur J Nucl Med, 2002; 29: 1588-1993. EJNM, pdf.
K Baete, J Nuyts, W Van Paesschen, A Maes, S Ghoorun, P Suetens, P Dupont. "Use of Excess height and cluster extent in subtraction SPECT." IEEE Trans Nucl Sci, 2002; 49 (5): 2332-2337. IEEE-TNS, pdf
J Nuyts. "On estimating the variance of smoothed MLEM images." IEEE Trans Nucl Sci, 2002; 49: 714-721. IEEE-TNS, pdf
J Nuyts, S Stroobants, P Dupont, S Vleugels, P Flamen, L Mortelmans. "Reducing loss of image quality because of the attenuation artifact in uncorrected PET whole body images." J Nucl Med, 2002; 43: 1054-1062. J Nucl Med, pdf.
J Nuyts, D Bequé, P Dupont, L Mortelmans. "A concave prior penalizing relative differences for maximum-a-posteriori reconstruction in emission tomography." IEEE Trans Nucl Sci, 2002; 49: 56-60. IEEE-TNS, pdf
B De Man, J Nuyts, P Dupont, G Marchal, P Suetens. "An iterative maximum-likelihood polychromatic algorithm for CT". IEEE Trans Med Imaging, 2001; 20 (10): 999-1008. IEEE-TMI, pdf
J Nuyts, C Michel, P Dupont. "Maximum-likelihood expectation-maximization reconstruction of sinograms with arbitrary noise distribution using NEC-transformations." IEEE Trans Med Imaging, 2001; 20: 365-375. IEEE-TMI, pdf
B De Man, J Nuyts, P. Dupont, G. Marchal, P. Suetens. "Reduction of metal streak artifacts in x-ray computed tomography using a transmission maximum a posteriori algorithm", IEEE Trans Nucl Sci, 2000; 47 (3): 977-981. IEEE-TNS, pdf
B De Man, J. Nuyts, P. Dupont, G. Marchal, P. Suetens. "Metal streak artifacts in X-ray computed tomography: a simulation study". IEEE-TNS, 1999; 46: 691-696. IEEE-TNS, pdf
J Nuyts, P Dupont, S Stroobants, A Maes, L Mortelmans, P Suetens. "Evaluation of maximum-likelihood based attenuation correction in positron emission tomography." IEEE Trans Nucl Sci, 1999; 46 (4): 1136-1141. IEEE-TNS, pdf
J Nuyts, P Dupont, S Stroobants, R Benninck, L Mortelmans, P Suetens. "Simultaneous maximum a-posteriori reconstruction of attenuation and activity distributions from emission sinograms." IEEE Trans Med Imaging, 1999; 18 (5): 393-403. IEEE-TMI, pdf
J. Nuyts, B. De Man, P. Dupont, M. Defrise, P. Suetens, L. Mortelmans. "Iterative reconstruction for helical CT: a simulation study." Phys Med Biol, 1998; 43: 729-737. Phys Med Biol, pdf
C Schiepers, J Nuyts, C Wu, R Verma. "PET with F-18 fluoride: effects of iterative versus filtered backprojection reconstruction on kinetic modeling". IEEE Trans. Nucl. Sci., 1997, 44:1591-1593. IEEE-TNS, pdf

Proceeding papers

J. Nuyts, A. Zaman Pour, S. Noë, G. Schramm, A. Rezaei. "On estimating the effective sensitivity of a TOF-PET system for a particular imaging task". PET Electronics & Technologies 2023 - PETtech23, 12-13 September, 2023, Duisburg, Germany. Journal of Instrumentation 12 (2024): C12002. pdf
Masoud Elhamiasl, Sara Teruel Rivas, Koen Salvo, Edmond Sterpin, Johan Nuyts. "The effect of CT dose reduction on proton therapy dose calculation". 6th Intl. Conference on Image Formation in X-Ray CT, 3-7 August 2020 (CT Meeting 2020), Regensburg, Germany (online), pp. 368-371. pdf
Rob Heylen, Johan Nuyts. "Motion correction for 4D CBCT reconstruction with TV regularization". 6th Intl. Conference on Image Formation in X-Ray CT, 3-7 August 2020 (CT Meeting 2020), Regensburg, Germany (online), pp. 244-247. pdf
Johan Nuyts, Roger Fulton. "Iterative FDK reconstruction for helical CT of the head with rigid motion compensation". 6th Intl. Conference on Image Formation in X-Ray CT, 3-7 August 2020 (CT Meeting 2020), Regensburg, Germany (online), pp. 248-251. pdf
G.E. Poma, E. Cisbani J. Nuyts, F. Giuliani, T. Insero, M. Lucentini, A. Marcucci, P. Musico, F. Santavenere, C. Sutera, F. Garibaldi. "Characterization of a molecular breast imaging system in limited angle tomography using a dedicated breastphantom", JINST 2020, 15: C02046, JINST.
G.E. Poma, F. Garibaldi, F. Giuliani, T. Insero, M. Lucentini, A. Marcucci, P. Musico, J. Nuyts, F. Santavenere, G. Schramm, C. Sutera, E. Cisbani. "Limited angle tomography reconstruction for non-standard MBI system by means of parallel-hole and pinhole optics" JINST 2020, 15: C04019, JINST, arXiv.
Rob Heylen, Georg Schramm, Johan Nuyts. "4D CBCT reconstruction with TV regularization on a dynamic software phantom", IEEE Nuclear Science Symposium and Medical Imaging Conference, Manchester, UK, 2019, DOI: 10.1109/NSS/MIC42101.2019.9059877, pdf
Masoud Elhamiasl, Johan Nuyts, "Simulating lower-dose scans from an available CT scan", International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2019, Proc. SPIE 11072, 110720X (28 May 2019); doi: 10.1117/12.2534746. pdf
Ahmadreza Rezaei, Georg Schramm, Koenraad Van Laere, Johan Nuyts. "Data driven time alignment for TOF-PET", IEEE Nuclear Science Symposium and Medical Imaging Conference, Atlanta, GA, USA, 2017, M-03-056. pdf
Rolf Clackdoyle, Michel Defrise, Laurent Desbat, Johan Nuyts. "Consistency of fanbeam projections along an arc of a circle", Fully 3D meeting, Newport, Rhode Island, USA, 2015, pp 444 - 447. pdf
Tao Sun, Jung-Ha Kim, Fulton Roger, Nuyts Johan. "Data-driven rigid motion correction for helical CT", Fully 3D meeting, Newport, Rhode Island, USA, 2015, pp 415 - 419. pdf
Jung-Ha Kim, Tao Sun, Johan Nuyts, Zdenka Kuncic, Roger Fulton. "Feasibility of correcting for realistic head motion in helical CT", Fully 3D meeting, Newport, Rhode Island, USA, 2015, pp 415 - 419. pdf
A. Turco, J.Duchenne, O. Gheysens, J. Nuyts, J.U. Voigt, P. Claus, K. Vunckx. "Partial Volume Correction of Doubly-Gated Cardiac Datasets using Anatomical and Edge-Preserving Priors", IEEE NSS MIC, San Diego, CA, USA, 2015, M4CP-194. pdf
Matthew G. Bickell, Bart de Laat, Roger Fulton, Guy Bormans, Johan Nuyts. "The effect of anaesthesia on ¹⁸F-FDG uptake in the rat brain: a fully conscious dynamic study using motion correction", IEEE NSS MIC, San Diego, CA, USA, 2015, M5BP-187. pdf
M. G. Bickell, J.-H. Kim, A. Rezaei, J. Nuyts, R. Fulton. "Rigid motion correction of PET and CT for PET/CT brain imaging", IEEE NSS MIC, San Diego, CA, USA, 2015, M5DP-124. pdf
A. Rezaei, M. Bickell, R. Fulton, J. Nuyts. "Joint activity and attenuation reconstruction of listmode TOF-PET data", IEEE NSS MIC, San Diego, CA, USA, 2015, M6B1-2. pdf
Koen Michielsen, Andreas Fieselmann, Lesley Cockmartin, Johan Nuyts, "Evaluation of low contrast detectability after scatter correction in digital breast tomosynthesis", Proc. SPIE 9033, Medical Imaging 2014: Physics of Medical Imaging, 903313, 2014. pdf
Ahmadreza Rezaei, Michel Defrise, Johan Nuyts. "Reconstruction of a motion and attenuation corrected activity distribution in gated TOF-PET", IEEE NSS MIC, Seattle, WA, USA, 2014. M14-3. pdf
A. Turco, J. Duchenne, J. Nuyts, O. Gheysens, J.U. Voigt, P. Claus, K. Vunckx. "Validation of anatomy-enhanced cardiac FDG-PET imaging: an ex vivo sheep study", IEEE NSS MIC, Seattle, WA, USA, 2014. M05-8. pdf
Charles C Watson, Vladimir Y Panin, Sune H Keller, Søren Holm, Johan Nuyts. "A sparse transmission method for PET attenuation correction in the head", IEEE Nuclear Science Symposium and Medical Imaging Conference, Seattle, WA, USA, 2014. M14-4. pdf
Johan Nuyts, Ahmadreza Rezaei, "Joint region-of-interest activity and alignment estimation in emission tomography", IEEE NSS MIC, Seattle, WA, USA, 2014. M10-40. pdf
Matthew G. Bickell, John Gillam, Roger Fulton, Johan Nuyts, "Spatially variant resolution modelling using redistributed lines-of-response and the image space reconstruction algorithm", IEEE NSS MIC, Seattle, WA, USA, 2014. M10-34. pdf
Michel Defrise, Koen Salvo, Ahmadreza Rezaei, Johan Nuyts, Vladimir Panin, Michael Casey, "ML estimation of the scatter scaling in TOF PET", IEEE NSS MIC, Seattle, WA, USA, 2014. M14-1. pdf
Tao Sun, Rolf Clackdoyle, Roger Fulton, Johan Nuyts, "Quantifcation of local reconstruction accuracy for helical CT with motion correction", IEEE NSS MIC, Seattle, WA, USA, 2014. M14-7. pdf
GI Angelis, M Bickell, AZ Kyme, WJ Ryder, L Zhou, J Nuyts, SR Meikle, RR Fulton. "Calculated attenuation correction for awake small animal brain PET studies", IEEE Nuclear Science Symposium and Medical Imaging Conference, Seoul, South-Korea, 2013, M18-26. pdf
MG Bickell, L Zhou, J Nuyts. "Spatially variant resolution modelling for iterative list-mode PET reconstruction". IEEE Nuclear Science Symposium and Medical Imaging Conference, Seoul, South-Korea, 2013, M17-27. pdf
A Rezaei, J Nuyts. "Joint Registration of Attenuation and Activity Images in Gated TOF-PET", IEEE Nuclear Science Symposium and Medical Imaging Conference, Seoul, South-Korea, 2013, M04-1. pdf
A Rezaei, J Nuyts. "Simultaneous reconstruction of the activity image and registration of the CT image in TOF-PET", IEEE Nuclear Science Symposium and Medical Imaging Conference, Seoul, South-Korea, 2013, M19-5. pdf
A Turco, J Nuyts, O Gheysens, J-U Voigt, P Claus, K Vunckx. "Registration between respiratory-gated PET/CT and high-resolution CT with XCAT simulations: evaluation and optimization for subsequent PVC". IEEE Nuclear Science Symposium and Medical Imaging Conference, Seoul, South-Korea, 2013, M18-53. pdf
L Zhou, M Bickell, A Kyme, R Fulton, J Nuyts. "Improvement in motion correction technique for microPET brain imaging". IEEE Nuclear Science Symposium and Medical Imaging Conference, Seoul, South-Korea, 2013, M18-10 pdf
Ahmadreza Rezaei, Johan Nuyts, Michel Defrise: "The effect of motion on joint estimates of activity and attenuation from time-of-flight PET data", Fully 3D meeting, Lake Tahoe, CA, June 2013, pp 296-299. pdf
Michel Defrise, Ahmadreza Rezaei, Johan Nuyts, "Simultaneous reconstruction of attenuation and activity in TOF-PET: analysis of the convergence of the MLACF algorithm", Fully 3D meeting, Lake Tahoe, CA, June 2013, pp 66-69. pdf
Koen Michielsen, Federica Zanca, Nicholas Marchall, Hilde Bosmans, Johan Nuyts. "Two complementary model observers to evaluate reconstructions of simulated micro-calcifications in digital breast tomosynthesis", Proc. SPIE 8673, Medical Imaging 2013, Image Perception, Observer Performance, and Technology Assessment, 86730G. pdf, SPIE digital library.
Koen Michielsen, Katrien van Slambrouck, Anna Jerebko, Johan Nuyts, "Patchwork Reconstruction with Resolution Modeling for Digital Breast Tomosynthesis," in Proc. 2nd Intl. Mtg. on Image Formation in X-Ray CT, Salt Lake City, 2012, pp. 21-24. pdf
A Rezaei, J Nuyts, M Defrise. "Analytical reconstruction of the attenuation from 3D time-of-flight PET data", IEEE Nuclear Science Symposium and Medical Imaging Conference, Anaheim, 2012, paper M09-16. pdf
J Nuyts, A Rezaei, M Defrise, "ML-reconstruction for TOF-PET with simultaneous estimation of the attenuation factors", 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference, Anaheim, 2012, paper M04-1. pdf
K Van Slambrouck, J Nuyts. "Local modals for artefact reduction in iterative CT reconstruction", IEEE Nucl Sci Symp Conf Record, Valencia, Spain, Oct 2011, MIC21.S-294. pdf
S Stute, J Nuyts, K Van Slambrouck, M Sibomana, F van Velden, R Boellaard, C Comtat. "Image properties of various ML-based reconstructions of very noisy HRRT data", IEEE Nucl Sci Symp Conf Record, Valencia, Spain, Oct 2011, MIC21.S-273. pdf
Kathleen Vunckx, Frederik Maes, Johan Nuyts, "Anatomical Markov prior-based multimodality image registration", IEEE Nucl Sci Symp Conf Record, Valencia, Spain, Oct 2011, MIC18.M-148. pdf
Katrien Van Slambrouck and Johan Nuyts, "Accelerated convergence with image-block iterative reconstruction", IEEE Nucl Sci Symp Conf Record, Valencia, Spain, Oct 2011, MIC9.S-199. pdf
Ahmadreza Rezaei, Johan Nuyts, Michel Defrise, Girish Bal, Christian Michel, Maurizio Conti, Charles Watson, "Simultaneous reconstruction of activity and attenuation in time-of-flight PET", IEEE Nucl Sci Symp Conf Record, Valencia, Spain, Oct 2011, MIC8-7. pdf
Jung-Ha Kim, Johan Nuyts, Zdenka Kuncic and Roger Fulton. "A method of motion tracking during CT for motion correction", IEEE Nucl Sci Symp Conf Record, Valencia, Spain, Oct 2011, pp 3816-3819. pdf
Lin Zhou, Kathleen Vunckx, Johan Nuyts, "Multi-Pinhole SPECT Calibration: Influence of Data Noise and Systematic Orbit Deviation", 11th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2011, Pottsdam, Germany, pp 104-107. pdf
Johan Nuyts, Jung-ha Kim, Roger Fulton, "Iterative CT Reconstruction with Correction for Known Rigid Motion", 11th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2011, Pottsdam, Germany, pp 132-135. pdf
M. Depypere, J. Nuyts, N. van Gastel, G. Carmeliet, F. Maes, P. Suetens, "An iterative dual energy CT reconstruction method for a K-edge contrast material", Proc. SPIE 2011, Lake Buena Vista - Orlando, FL, USA, feb 2011. pdf, SPIE digital library.
Katrien Van Slambrouck, Johan Nuyts. "A patchwork (back)projector to accelerate artifact reduction in CT reconstruction". IEEE Nucl Sci Symp Conf Record, Knoxville, TN, USA, oct-nov 2010. pdf
Lin Zhou, Kathleen Vunckx, Johan Nuyts. "Predicting the variance of ML reconstructions with body contour constraint for multi-pinhole SPECT". IEEE Nucl Sci Symp Conf Record, Knoxville, TN, USA, oct-nov 2010. pdf
Kathleen Vunckx, Johan Nuyts. "Heuristic modification of an anatomical Markov prior improves its performance". IEEE Nucl Sci Symp Conf Record, Knoxville, TN, USA, oct-nov 2010. pdf
Johan Nuyts, Christian Michel, Matthias Fenchel, Girish Bal, Charles Watson. "Completion of a truncated attenuation image from the attenuated emission data". IEEE Nucl Sci Symp Conf Record, Knoxville, TN, USA, oct-nov 2010. pdf
Katrien Van Slambrouck, Gert Van Gompel, Michel Defrise, K. Joost Batenburg, Jan Sijbers, Johan Nuyts. "Iterative correction of beam hardening artifacts in CT". The First International Conference on Image Formation in X-Ray Computed Tomography, June 6-9, 2010, Salt Lake City, Utah, USA. pdf
Ameya Atre, Kathleen Vunckx, Kristof Baete, Anthonin Reilhac, Johan Nuyts. "Evaluation of different MRI-based anatomical priors for PET brain imaging", IEEE Nucl Sci Symp Conf Record, Orlando, oct 2009. pdf
Lin Zhou, Kathleen Vunckx, Johan Nuyts. "Comparison between parallel hole and rotating slat collimation with a contrast phantom using an analytical method", IEEE Nucl Sci Symp Conf Record, Orlando, oct 2009. pdf
Kathleen Vunckx, Lin Zhou, Johan Nuyts. "Noise propagation in multipinhole SPECT calibration", IEEE Nucl Sci Symp Conf Record, Orlando, oct 2009. pdf
L Zhou, K Vunckx, J Nuyts. "Comparison between parallel hole and rotating slat collimation with contrast phantom" (abstract), ITBS 2009. 5th International Conference on Imaging Technologies in Biomedical Sciences, abstract book p 71 Milos Island, Greece. pdf
M Depypere, J Nuyts, K Laperre, G Carmeliet, F Maes, P Suetens. "The minimal entropy prior for simultaneous reconstruction and segmentation of in vivo microCT trabecular bone images". ISBI 2009. 6th IEEE International Symposium on Biomedical Imaging: From Nano to Macro. 28 June - 1 July 2009. pdf
K Vunckx, M Defrise, D Bequé, C Vanhove, A Andreyev, J Nuyts. "Geometrical calibration and aperture configuration design in multi-pinhole SPECT" ISBI 2008. 5th IEEE International Symposium on Biomedical Imaging: From Nano to Macro. 14-17 May 2008 pp:1403-1406. pdf
C Lemmens, J Nuyts. "Metals in PET/CT: causes and reduction of artifacts in PET images". IEEE Nucl Sci Symp Conf Record, Dresden 2008, published 2009: 3459-3467. pdf
K Vunckx, J Nuyts, B Vanbilloen, M De Saint-Hubert, D Vanderghinste, D Rattat, FM Mottaghy, M Defrise. "Optimized multipinhole design for mouse imaging", IEEE Nucl Sci Symp Conf Record, Dresden 2008, published 2009: 4015-4023. pdf
L Zhou, M Defrise, K Vunckx, J Nuyts. "Comparison between parallel hole and rotating slat collimation", IEEE Nucl Sci Symp Conf Record, Dresden 2008, published 2009: 4803-4812. pdf
C Lemmens, ML Montandon, J Nuyts, O Ratib, H Zaidi. "Impact of metal artifacts due to EEG electrodes in brain PET imaging", IEEE-MIC 2007, Honolulu, USA, M13-229. pdf
K Vunckx, L Zhou, S Matej, M Defrise, J Nuyts. "Fisher Information-Based Evaluation of Image Quality for Time-of-Flight PET". IEEE-MIC 2007, Honolulu, USA, M22-5. pdf
J Nuyts. "The Use of Mutual Information and Joint Entropy for Anatomical Priors in Emission Tomography". IEEE Nucl Sci Symp Conf Record, Volume 6, Oct. 26 -Nov. 3 2007 Page(s):4149 - 4154. pdf
L. Brèzes-Besset, J Nuyts, R Boellaard, I Buvat, C Michel, C Pierre, N Costes, A Reilhac. "Simulation Based-Evaluation of NEG-ML Iterative Reconstruction of Low Count PET Data". IEEE-MIC 2007, Honolulu, USA, M13-217. pdf
K. Vunckx, J. Nuyts. "Effect of overlapping projections on reconstruction image quality in multipinhole SPECT". IEEE-MIC 2006, San Diego, USA, M11-412. pdf
C. Lemmens, D. Faul, J. Hamill, S. Stroobants, J. Nuyts, "Suppression of Metal Streak Artifacts in CT Using a MAP Reconstruction Procedure", IEEE-MIC 2006, San Diego, USA, M14-423. pdf
K. De Moor, J. Nuyts, L. Plessers, S. Stroobants, F. Maes, P. Dupont. "Non-rigid registration with position dependent rigidity for whole body PET follow-up studies", IEEE-MIC 2006, San Diego, USA, M15-5. pdf
K Vunckx, D Bequé, M Defrise, J Nuyts "Single and multipinhole collimator design evaluation method for small animal SPECT". IEEE-MIC 2005, Puerto Rico, USA. pdf
J Nuyts, S Stroobants. "Reduction of attenuation correction artifacts in PET-CT". IEEE-MIC 2005, Puerto Rico, USA. pdf
J Nuyts, C Michel. "Performance of the relative difference prior for hot lesion detection in whole-body PET/CT: an evaluation with numerical and real observers". IEEE-MIC 2005, Puerto Rico, USA. pdf
D Bequé, C Vanhove, A Andreyev, J Nuyts, M Defrise. "Correction for imperfect camera motion and resolution recovery in pinhole SPECT." IEEE-MIC 2004, Rome, Italy. pdf
D Bequé, J Nuyts, G Bormans, P Suetens, P Dupont. "Optimization of pinhole SPECT calibration." IEEE-MIC 2003, Portland, Oregon, USA. pdf
K Baete, J Nuyts, W Van Paesschen, P Suetens, P Dupont. "Evaluation of an antomical based MAP reconstruction algorithm for PET in epilepsy." IEEE-MIC 2003, Portland, Oregon, USA. pdf
R Claessens, J Nuyts, S Stroobants, P Dupont, F Maes. "Non-rigid image registration for temporal subtraction of whole-body nuclear medicine images." IEEE-MIC 2003, Portland, Oregon, USA. pdf
J Nuyts, K Baete, P Dupont. "Comparison between MAP and post-processed ML for incorporating anatomical knowledge in emission tomography." IEEE-MIC 2003, Portland, Oregon, USA. pdf
T Rodet, J Nuyts, M Defrise, C Michel. "A study of data sampling in PET with planar detectors." IEEE-MIC 2003, Portland, Oregon, USA. pdf of the abstract
J Nuyts, J.A. Fessler. "Comparison between post-smoothed maximum-likelihood and penalized-likelihood for image reconstruction with uniform spatial resolution", Proceedings of the IEEE NSS and MIC, November 10-16, 2002, Norfolk, VA, USA. pdf
K Baete, J Nuyts, W Van Paesschen, P Suetens, P Dupont. "Anatomical based FDG-PET reconstruction for the detection of hypometabolic regions in epilepsy." Proceedings of the IEEE NSS and MIC, November 10-16, 2002, Norfolk, VA, USA. pdf
C Schiepers, C Wu, M Seltzer, M Phelps, M Dahlbom, C Hoh, J Nuyts. "Factor analysis for delineation of organ structures and automatic generation of in- and output functions in PET studies of prostate cancer." Proceedings of the IEEE NSS and MIC, November 6-11, 2001, San Diego, CA, USA. pdf
K Baete, J Nuyts, W Van Paesschen, A Maes, S Ghoorun, P Suetens, P Dupont. "Excess height versus cluster extent in subtraction SPECT". Proceedings of the IEEE NSS and MIC, November 6-11, 2001, San Diego, CA, USA. pdf
J Nuyts. "On estimating the variance of smoothed MLEM images." Conference record, IEEE-MIC, San Diego, 6-11 November 2001. pdf
J Nuyts, S Stroobants, P Dupont, S Vleugels, P Flamen, L Mortelmans. "A dedicated ML-algorithm for non-attenuation corrected PET whole body images." Proceedings of the IEEE NSS and MIC, October 15-20, 2000, Lyon, France. pdf
J. Nuyts, P. Dupont, L. Mortelmans. "Iterative reconstruction of transmission sinograms with low signal to noise ratio". 2nd IEEE workshop on computer intensive methods in control and signal processing: can we beat the curse of dimensionality? Prague, Czech Republic, August 28-30, 1996. K Warwick, M. Karny, eds. Birhauser, 1997: 237-248. ISBN 0-8176-3989-6 and 3-7643-3989-6. pdf

Book chapters

G. Delso, J. Nuyts J, (2018) "PET/MRI: Attenuation Correction". In: Iagaru A., Hope T., Veit-Haibach P. (eds) PET/MRI in Oncology. Springer, Cham. https://doi.org/10.1007/978-3-319-68517-5_4. ISBN 978-3-319-68517-5, chapter 4 of the Springer book "PET/MRI in Oncology"
Johan Nuyts and Samuel Matej, chapter 13 "Image Reconstruction" of the IAEA book "Nuclear Medicine Physics: A Handbook for Teachers and Students", IAEA Reference Number: STI/PUB/1617, released on the internet on 2015-01-14, ISBN: 978-92-0-143810-2.
Brian Hutton, Johan Nuyts and Habib Zaidi, chapter 4 "Iterative Reconstruction Methods" of the book "Quantitative Analysis in Nuclear Medicine Imaging", H.Zaidi edt, 2006, Springer, ISBN: 978-0-387-23854-8 (Print) 978-0-387-25444-9 (Online).
Johan Nuyts and Dirk Bequé, chapter 17 "Image Formation" of the book "Diagnostic Nuclear Medicine", AL Baert, K Sartor, C Schiepers eds, Springer, 2006, ISBN: 978-3-540-42309-6 (Print) 978-3-540-30005-2 (Online).

Course material

This pdf file has been written for the technical part of the course G0F68BN on "Technology and Techniques in Nuclear Medicine", KU Leuven. This course is intended for engineers or physicists or similar, who wish to specialize in nuclear medicine. Class recordings are available.
IEEE-MIC 2011 short course "Statistical Approaches to Tomographic Reconstruction" (Valencia), Arek Sitek, Bruno De Man and Johan Nuyts. ``pdf file''
IEEE-MIC 2008 refresher course on statistical reconstruction (Dresden): ``powerpoint file''
IEEE-MIC 2007 short course on statistical reconstruction (Hononlulu): ``Warming up'' (Larry Zeng), ``ML and MAP reconstruction'' (Johan Nuyts), ``X-Ray CT iterative reconstruction'' (Bruno De Man).
IEEE-MIC 2003. The pdf-files part 1, part 2 and references are my contributions to the short course on "Statistical Image Reconstruction Methods" (coordinated by Freek Beekman), at the 2003 IEEE-MIC meeting in Portland. For Freek's contribution or for an on-line presentation, click here.
IEEE-MIC 2000. Contribution to the short course on "Discrete Reconstruction Methods", coordinated by Freek Beekman f.beekman@azu.nl at the meeting in Lyon: powerpoint file (5 Mb) and list with references.

PhD dissertations

Masoud ElhamiAsl, "Low-dose CT protocols for accurate proton therapy treatment planning", 20 April 2023, pdf
Xikai Tang, "Semi-automated image segmentation and registration, facilitating multi-modal image analysis for selective internal radiation therapy (SIRT)", 5 October 2022, pdf
Esmaeel Jafargholi Rangraz, "Multi-modal image analysis for selective internal radiation therapy dosimetry", 29 October 2020, pdf
Ganna Degtiarova, "Multimodal imaging of ischemic heart disease and heart failure", 29 May 2020, pdf
Tao Sun, "Rigid motion correction for head CT imaging", 26 February 2018, pdf
Matthew Bickell, "Rigid motion correction for positron emission tomography brain imaging", 10 January 2017, pdf
Anna Turco, "Improved quantification of myocardial FDG uptake combining 4D PET/CT and anatomical imaging", 15 December 2016. pdf
Ahmadreza Rezaei, "Statistical methods for attenuation correction in time of flight positron emission tomography (TOF-PET)", 29 April 2016. pdf
Koen Michielsen, "Maximum a posteriori reconstruction for digital breast tomosynthesis", 29 January 2016. pdf
Katrien Van Slambrouck, "Local models and local convergence for maximum likelihood iterative reconstruction", 14 October 2013. pdf
Maarten Depypere, "MicroCT imaging of bone architecture and vasculature", 26 April 2013. pdf
Lin Zhou, "Prediction of image quality in emission tomography", 12 January 2012. pdf
Kathleen Vunckx, "High quality image formation of small animals using emission tomography", October 2008. pdf
Kristof Baete, "Emission Tomography Techniques for Non-Invasive Presurgical Evaluation of Patients with Refractory Partial Epilepsy", June, 2006. pdf
Dirk Bequé, "MicroSPECT Imaging of Small Laboratory Animals", January, 2005. pdf
Bruno De Man, "Iterative Reconstruction for Reduction of Metal Artifacts in Computed Tomography", May 2001. pdf