Kris Thielemans

40 papers Journal 28Unranked 12

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A Modular Approach to Stochastic Optimisation for Inverse Problems Using the Core Imaging Library. CoRR Evangelos Papoutsellis, Margaret Duff, Jakob Sauer Jørgensen, Sam Porter, Claire Delplancke, Gemma Fardell, Edoardo Pasca, Kris Thielemans
2025	—	`conf`	DIGS: Dynamic CBCT Reconstruction Using Deformation-Informed 4D Gaussian Splatting and a Low-Rank Free-Form Deformation Model. MICCAI (4) Yuliang Huang, Imraj RD Singh, Thomas Joyce, Kris Thielemans, Jamie R. McClelland
2025	J	`jnl`	DIGS: Dynamic CBCT Reconstruction using Deformation-Informed 4D Gaussian Splatting and a Low-Rank Free-Form Deformation Model. CoRR Yuliang Huang, Imraj RD Singh, Thomas Joyce, Kris Thielemans, Jamie R. McClelland
2025	J	`jnl`	PET Rapid Image Reconstruction Challenge (PETRIC). CoRR Casper O. da Costa-Luis, Matthias J. Ehrhardt, Christoph Kolbitsch, Evgueni Ovtchinnikov, Edoardo Pasca, Kris Thielemans, Charalampos Tsoumpas
2024	—	`conf`	Resolving Variable Respiratory Motion From Unsorted 4D Computed Tomography. MICCAI (1) Yuliang Huang, Björn Eiben, Kris Thielemans, Jamie R. McClelland
2024	J	`jnl`	Resolving Variable Respiratory Motion From Unsorted 4D Computed Tomography. CoRR Yuliang Huang, Björn Eiben, Kris Thielemans, Jamie R. McClelland
2024	J	`jnl`	Stochastic Optimisation Framework using the Core Imaging Library and Synergistic Image Reconstruction Framework for PET Reconstruction. CoRR Evangelos Papoutsellis, Casper O. da Costa-Luis, Daniel Deidda, Claire Delplancke, Margaret Duff, Gemma Fardell, Ashley Gillman, Jakob Sauer Jørgensen, Zeljko Kereta, Evgueni Ovtchinnikov, Edoardo Pasca, Georg Schramm, Kris Thielemans
2023	J	`jnl`	An Investigation of Stochastic Variance Reduction Algorithms for Relative Difference Penalized 3D PET Image Reconstruction. IEEE Trans. Medical Imaging Robert Twyman, Simon R. Arridge, Zeljko Kereta, Bangti Jin, Ludovica Brusaferri, Sangtae Ahn, Charles W. Stearns, Brian F. Hutton, Irene A. Burger, Fotis Kotasidis, Kris Thielemans
2023	J	`jnl`	Attenuation Correction Using Template PET Registration for Brain PET: A Proof-of-Concept Study. J. Imaging Markus Jehl, Ekaterina Mikhaylova, Valerie Treyer, Marlena Hofbauer, Martin Hüllner, Philipp A. Kaufmann, Alfred Buck, Geoff Warnock, Viet Dao, Charalampos Tsoumpas, Daniel Deidda, Kris Thielemans, Max L. Ahnen, Jannis Fischer
2023	J	`jnl`	Score-Based Generative Models for PET Image Reconstruction. CoRR Imraj RD Singh, Alexander Denker, Riccardo Barbano, Zeljko Kereta, Bangti Jin, Kris Thielemans, Peter Maass, Simon R. Arridge
2023	—	`conf`	Surrogate-Driven Motion Model for Motion Compensated Cone-beam CT Reconstruction using Unsorted Projection Data. ISBI Yuliang Huang, Kris Thielemans, Jamie R. McClelland
2022	J	`jnl`	Evaluation of STIR Library Adapted for PET Scanners with Non-Cylindrical Geometry. J. Imaging Viet Dao, Ekaterina Mikhaylova, Max L. Ahnen, Jannis Fischer, Kris Thielemans, Charalampos Tsoumpas
2021	J	`jnl`	Artificial Intelligence in PET: an Industry Perspective. CoRR Arkadiusz Sitek, Sangtae Ahn, Evren Asma, Adam Chandler, Alvin Ihsani, Sven Prevrhal, Arman Rahmim, Babak Saboury, Kris Thielemans
2021	J	`jnl`	Core Imaging Library - Part I: a versatile Python framework for tomographic imaging. CoRR Jakob Sauer Jørgensen, Evelina Ametova, Genoveva Burca, Gemma Fardell, Evangelos Papoutsellis, Edoardo Pasca, Kris Thielemans, Martin J. Turner, Ryan Warr, William R. B. Lionheart, Philip J. Withers
2021	J	`jnl`	Imitation learning for improved 3D PET/MR attenuation correction. Medical Image Anal. Kerstin Kläser, Thomas Varsavsky, Pawel Markiewicz, Tom Vercauteren, Alexander Hammers, David Atkinson, Kris Thielemans, Brian F. Hutton, Manuel Jorge Cardoso, Sébastien Ourselin
2021	J	`jnl`	Stochastic EM methods with Variance Reduction for Penalised PET Reconstructions. CoRR Zeljko Kereta, Robert Twyman, Simon R. Arridge, Kris Thielemans, Bangti Jin
2021	J	`jnl`	Uncertainty analysis of MR-PET image registration for precision neuro-PET imaging. NeuroImage Pawel J. Markiewicz, Julian C. Matthews, John Ashburner, David M. Cash, David L. Thomas, Enrico De Vita, Anna Barnes, M. Jorge Cardoso, Marc Modat, Richard Brown, Kris Thielemans, Casper O. da Costa-Luis, Isadora Lopes Alves, Juan Domingo Gispert, Mark E. Schmidt, Paul Marsden, Alexander Hammers, Sébastien Ourselin, Frederik Barkhof
2021	J	`jnl`	Validation of a combined image derived input function and venous sampling approach for the quantification of [ NeuroImage Marian Galovic, Kjell Erlandsson, Tim D. Fryer, Young T. Hong, Roido Manavaki, Hasan Sari, Sarah Chetcuti, Benjamin A. Thomas, Martin Fisher, Selena Sephton, Roberto Canales, Joseph J. Russell, Kerstin Sander, Erik Årstad, Franklin I. Aigbirhio, Ashley M. Groves, John S. Duncan, Kris Thielemans, Brian F. Hutton, Jonathan P. Coles, Matthias J. Koepp
2020	J	`jnl`	Benefits of Using a Spatially-Variant Penalty Strength With Anatomical Priors in PET Reconstruction. IEEE Trans. Medical Imaging Yu-Jung Tsai, Georg Schramm, Sangtae Ahn, Alexandre Bousse, Simon R. Arridge, Johan Nuyts, Brian F. Hutton, Charles W. Stearns, Kris Thielemans
2020	J	`jnl`	PET Reconstruction With Non-Negativity Constraint in Projection Space: Optimization Through Hypo-Convergence. IEEE Trans. Medical Imaging Alexandre Bousse, Matias Courdurier, Élise Émond, Kris Thielemans, Brian F. Hutton, Pablo Irarrazaval, Dimitris Visvikis
2020	J	`jnl`	SIRF: Synergistic Image Reconstruction Framework. Comput. Phys. Commun. Evgueni Ovtchinnikov, Richard Brown, Christoph Kolbitsch, Edoardo Pasca, Casper O. da Costa-Luis, Ashley Gillman, Benjamin A. Thomas, Nikos Efthimiou, Johannes Mayer, Palak Wadhwa, Matthias J. Ehrhardt, Sam Ellis, Jakob Sauer Jørgensen, Julian C. Matthews, Claudia Prieto, Andrew J. Reader, Charalampos Tsoumpas, Martin J. Turner, Kris Thielemans
2020	—	`conf`	Uncertainty-Aware Multi-resolution Whole-Body MR to CT Synthesis. SASHIMI@MICCAI Kerstin Kläser, Pedro Borges, Richard Shaw, Marta Ranzini, Marc Modat, David Atkinson, Kris Thielemans, Brian F. Hutton, Vicky Goh, Gary J. Cook, M. Jorge Cardoso, Sébastien Ourselin
2019	—	`conf`	Improved MR to CT Synthesis for PET/MR Attenuation Correction Using Imitation Learning. SASHIMI@MICCAI Kerstin Kläser, Thomas Varsavsky, Pawel Markiewicz, Tom Vercauteren, David Atkinson, Kris Thielemans, Brian F. Hutton, M. Jorge Cardoso, Sébastien Ourselin
2019	J	`jnl`	Improved MR to CT synthesis for PET/MR attenuation correction using Imitation Learning. CoRR Kerstin Kläser, Thomas Varsavsky, Pawel Markiewicz, Tom Vercauteren, David Atkinson, Kris Thielemans, Brian F. Hutton, M. Jorge Cardoso, Sébastien Ourselin
2018	—	`conf`	Deep Boosted Regression for MR to CT Synthesis. SASHIMI@MICCAI Kerstin Kläser, Pawel Markiewicz, Marta Bianca Maria Ranzini, Wenqi Li, Marc Modat, Brian F. Hutton, David Atkinson, Kris Thielemans, M. Jorge Cardoso, Sébastien Ourselin
2018	J	`jnl`	Deep Boosted Regression for MR to CT Synthesis. CoRR Kerstin Kläser, Pawel Markiewicz, Marta Bianca Maria Ranzini, Wenqi Li, Marc Modat, Brian F. Hutton, David Atkinson, Kris Thielemans, M. Jorge Cardoso, Sébastien Ourselin
2018	J	`jnl`	Fast Quasi-Newton Algorithms for Penalized Reconstruction in Emission Tomography and Further Improvements via Preconditioning. IEEE Trans. Medical Imaging Yu-Jung Tsai, Alexandre Bousse, Matthias J. Ehrhardt, Charles W. Stearns, Sangtae Ahn, Brian F. Hutton, Simon R. Arridge, Kris Thielemans
2017	J	`jnl`	Direct Parametric Reconstruction With Joint Motion Estimation/Correction for Dynamic Brain PET Data. IEEE Trans. Medical Imaging Jieqing Jiao, Alexandre Bousse, Kris Thielemans, Ninon Burgos, Philip S. J. Weston, Jonathan M. Schott, David Atkinson, Simon R. Arridge, Brian F. Hutton, Pawel Markiewicz, Sébastien Ourselin
2016	J	`jnl`	Maximum-Likelihood Joint Image Reconstruction/Motion Estimation in Attenuation-Corrected Respiratory Gated PET/CT Using a Single Attenuation Map. IEEE Trans. Medical Imaging Alexandre Bousse, Ottavia Bertolli, David Atkinson, Simon R. Arridge, Sébastien Ourselin, Brian F. Hutton, Kris Thielemans
2016	J	`jnl`	PET Reconstruction With an Anatomical MRI Prior Using Parallel Level Sets. IEEE Trans. Medical Imaging Matthias J. Ehrhardt, Pawel Markiewicz, Maria Liljeroth, Anna Barnes, Ville Kolehmainen, John S. Duncan, Luis Pizarro, David Atkinson, Brian F. Hutton, Sébastien Ourselin, Kris Thielemans, Simon R. Arridge
2015	—	`conf`	Practical PET respiratory motion correction in clinical simultaneous PET/MR. ISBI Richard Manber, David Atkinson, Kris Thielemans, Brian F. Hutton, Anna Barnes, Celia O'Meara, Simon Wan, Sébastien Ourselin, Simon R. Arridge
2014	J	`jnl`	Attenuation Correction Synthesis for Hybrid PET-MR Scanners: Application to Brain Studies. IEEE Trans. Medical Imaging Ninon Burgos, Manuel Jorge Cardoso, Kris Thielemans, Marc Modat, Stefano Pedemonte, John C. Dickson, Anna Barnes, Rebekah Ahmed, Colin J. Mahoney, Jonathan M. Schott, John S. Duncan, David Atkinson, Simon R. Arridge, Brian F. Hutton, Sébastien Ourselin
2014	J	`jnl`	Including Anatomical and Functional Information in MC Simulation of PET and SPECT Brain Studies. Brain-VISET: A Voxel-Based Iterative Method. IEEE Trans. Medical Imaging Berta Martí Fuster, Oscar Esteban, Kris Thielemans, Xavier Setoain, Andrés Santos, Domènec Ros, Javier Pavía
2014	—	`conf`	Joint Parametric Reconstruction and Motion Correction Framework for Dynamic PET Data. MICCAI (1) Jieqing Jiao, Alexandre Bousse, Kris Thielemans, Pawel Markiewicz, Ninon Burgos, David Atkinson, Simon R. Arridge, Brian F. Hutton, Sébastien Ourselin
2012	—	`conf`	Quantitatively accurate image reconstruction for clinical whole-body PET imaging. APSIPA Evren Asma, Sangtae Ahn, Hua Qian, Girishankar Gopalakrishnan, Kris Thielemans, Steven G. Ross, Ravindra M. Manjeshwar, Alexander Ganin
2011	J	`jnl`	Convergence optimization of parametric MLEM reconstruction for estimation of Patlak plot parameters. Comput. Medical Imaging Graph. Georgios I. Angelis, Kris Thielemans, Andri C. Tziortzi, Federico E. Turkheimer, Charalampos Tsoumpas
2009	—	`conf`	A Framework for Automated Tumor Detection in Thoracic FDG PET Images Using Texture-Based Features. ISBI Vijaya Saradhi Gannavaram, Girish Gopalakrishnan, Arunabha Roy, Rakesh Mullick, Ravi Manjeshwar, Kris Thielemans, Uday Patil
2006	—	`conf`	Motion compensated image reconstruction of respiratory gated PET/CT. ISBI Ravindra M. Manjeshwar, Xiaodong Tao, Evren Asma, Kris Thielemans
2004	J	`jnl`	Object dependency of resolution in reconstruction algorithms with interiteration filtering applied to PET data. IEEE Trans. Medical Imaging Sanida Mustafovic, Kris Thielemans
1999	—	`conf`	An Object-Oriented Library for 3D PET Reconstruction Using Parallel Computing. Bildverarbeitung für die Medizin Claire Labbé, Kris Thielemans, D. Belluzzo, Valentino Bettinardi, Maria Carla Gilardi, D. S. Hague, Matthew W. Jacobson, S. Kaiser, Roni Levkovitz, T. Margalit, Gautam Mitra, Christian Morel, Terry J. Spinks, Patrick Valente, Habib Zaidi, Alexey Zverovich