Ivor J. A. Simpson

31 papers A* 2Journal 17Unranked 10

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Structured SIR: Efficient and Expressive Importance-Weighted Inference for High-Dimensional Image Registration. CoRR Ivor J. A. Simpson, Neill D. F. Campbell
2025	J	`jnl`	Capturing Longitudinal Changes in Brain Morphology Using Temporally Parameterized Neural Displacement Fields. CoRR Aisha L. Shuaibu, Kieran A. Gibb, Peter A. Wijeratne, Ivor J. A. Simpson
2025	—	`conf`	Evaluating Structural Uncertainty in Accelerated MRI: Are Voxelwise Measures Useful Surrogates? MLMI@MICCAI Luca Trautmann, Peter A. Wijeratne, Itamar Ronen, Ivor J. A. Simpson
2025	J	`jnl`	Investigating the Role of Bilateral Symmetry for Inpainting Brain MRI. CoRR Sergey Kuznetsov, Sanduni Pinnawala, Peter A. Wijeratne, Ivor J. A. Simpson
2025	—	`conf`	Learning Mechanistic Subtypes of Neurodegeneration with a Physics-Informed Variational Autoencoder Mixture Model. SASHIMI@MICCAI 2025 Sanduni Pinnawala, Annabelle Hartanto, Ivor J. A. Simpson, Peter A. Wijeratne
2025	J	`jnl`	Learning Mechanistic Subtypes of Neurodegeneration with a Physics-Informed Variational Autoencoder Mixture Model. CoRR Sanduni Pinnawala, Annabelle Hartanto, Ivor J. A. Simpson, Peter A. Wijeratne
2025	J	`jnl`	Structured Uncertainty Similarity Score (SUSS): Learning a Probabilistic, Interpretable, Perceptual Metric Between Images. CoRR Paula Seidler, Neill D. F. Campbell, Ivor J. A. Simpson
2024	—	`ed.`	Biomedical Image Registration - 11th International Workshop, WBIR 2024, Held in Conjunction with MICCAI 2024, Marrakesh, Morocco, October 6, 2024, Proceedings WBIR Marc Modat, Ivor J. A. Simpson, Ziga Spiclin, Wietske A. P. Bastiaansen, Alessa Hering, Tony C. W. Mok
2024	J	`jnl`	HyperPredict: Estimating Hyperparameter Effects for Instance-Specific Regularization in Deformable Image Registration. CoRR Aisha L. Shuaibu, Ivor J. A. Simpson
2024	J	`jnl`	Towards interpretable learned representations for ecoacoustics using variational auto-encoding. Ecol. Informatics Kieran A. Gibb, Alice Eldridge, Christopher J. Sandom, Ivor J. A. Simpson
2022	—	`conf`	Cell Anomaly Localisation using Structured Uncertainty Prediction Networks. MIDL Boyko Vodenicharski, Samuel McDermott, Katherine M. Webber, Viola Introini, Pietro Cicuta, Richard W. Bowman, Ivor J. A. Simpson, Neill D. F. Campbell
2022	J	`jnl`	Compressed Sensing MRI Reconstruction Regularized by VAEs with Structured Image Covariance. CoRR Margaret Duff, Ivor J. A. Simpson, Matthias J. Ehrhardt, Neill D. F. Campbell
2022	J	`jnl`	Flexible Amortized Variational Inference in qBOLD MRI. CoRR Ivor J. A. Simpson, Ashley McManamon, Alan J. Stone, Nicholas P. Blockley, Alessandro Colasanti, Mara Cercignani
2022	A*	`conf`	Learning Structured Gaussians to Approximate Deep Ensembles. CVPR Ivor J. A. Simpson, Sara Vicente, Neill D. F. Campbell
2022	J	`jnl`	Learning Structured Gaussians to Approximate Deep Ensembles. CoRR Ivor J. A. Simpson, Sara Vicente, Neill D. F. Campbell
2022	—	`conf`	Motion Correction in Low SNR MRI Using an Approximate Rician Log-Likelihood. WBIR Ivor J. A. Simpson, Balázs Örzsik, Neil A. Harrison, Iris Asllani, Mara Cercignani
2020	A*	`conf`	The GAN That Warped: Semantic Attribute Editing With Unpaired Data. CVPR Garoe Dorta, Sara Vicente, Neill D. F. Campbell, Ivor J. A. Simpson
2018	J	`jnl`	Estimation of Large Motion in Lung CT by Integrating Regularized Keypoint Correspondences into Dense Deformable Registration. CoRR Jan Rühaak, Thomas Polzin, Stefan Heldmann, Ivor J. A. Simpson, Heinz Handels, Jan Modersitzki, Mattias P. Heinrich
2017	J	`jnl`	Estimation of Large Motion in Lung CT by Integrating Regularized Keypoint Correspondences into Dense Deformable Registration. IEEE Trans. Medical Imaging Jan Rühaak, Thomas Polzin, Stefan Heldmann, Ivor J. A. Simpson, Heinz Handels, Jan Modersitzki, Mattias P. Heinrich
2016	J	`jnl`	Deformable image registration by combining uncertainty estimates from supervoxel belief propagation. Medical Image Anal. Mattias P. Heinrich, Ivor J. A. Simpson, Bartlomiej W. Papiez, Michael Brady, Julia A. Schnabel
2016	J	`jnl`	NiftyFit: a Software Package for Multi-parametric Model-Fitting of 4D Magnetic Resonance Imaging Data. Neuroinformatics Andrew Melbourne, Nicolas Toussaint, David Owen, Ivor J. A. Simpson, Thanasis Anthopoulos, Enrico De Vita, David Atkinson, Sébastien Ourselin
2015	—	`conf`	Estimating Large Lung Motion in COPD Patients by Symmetric Regularised Correspondence Fields. MICCAI (2) Mattias P. Heinrich, Heinz Handels, Ivor J. A. Simpson
2015	J	`jnl`	Probabilistic non-linear registration with spatially adaptive regularisation. Medical Image Anal. Ivor J. A. Simpson, Manuel Jorge Cardoso, Marc Modat, David M. Cash, Mark W. Woolrich, Jesper L. R. Andersson, Julia A. Schnabel, Sébastien Ourselin
2014	—	`ed.`	Bayesian and grAphical Models for Biomedical Imaging - First International Workshop, BAMBI 2014, Cambridge, MA, USA, September 18, 2014, Revised Selected Papers BAMBI Manuel Jorge Cardoso, Ivor J. A. Simpson, Tal Arbel, Doina Precup, Annemie Ribbens
2014	—	`conf`	Simulating Neurodegeneration through Longitudinal Population Analysis of Structural and Diffusion Weighted MRI Data. MICCAI (3) Marc Modat, Ivor J. A. Simpson, Manuel Jorge Cardoso, David M. Cash, Nicolas Toussaint, Nick C. Fox, Sébastien Ourselin
2013	—	`conf`	A Bayesian Approach for Spatially Adaptive Regularisation in Non-rigid Registration. MICCAI (2) Ivor J. A. Simpson, Mark William Woolrich, Manuel Jorge Cardoso, David M. Cash, Marc Modat, Julia A. Schnabel, Sébastien Ourselin
2013	J	`jnl`	Ensemble Learning Incorporating Uncertain Registration. IEEE Trans. Medical Imaging Ivor J. A. Simpson, Mark William Woolrich, Jesper L. R. Andersson, Adrian R. Groves, Julia A. Schnabel
2012	—	`conf`	A probabilistic non-rigid registration framework using local noise estimates. ISBI Ivor J. A. Simpson, Mark William Woolrich, Jesper L. R. Andersson, Adrian R. Groves, Julia A. Schnabel
2012	J	`jnl`	Probabilistic inference of regularisation in non-rigid registration. NeuroImage Ivor J. A. Simpson, Julia A. Schnabel, Adrian R. Groves, Jesper L. R. Andersson, Mark William Woolrich
2011	—	`conf`	Longitudinal Brain MRI Analysis with Uncertain Registration. MICCAI (2) Ivor J. A. Simpson, Mark William Woolrich, Adrian R. Groves, Julia A. Schnabel
2011	—	`conf`	Probabilistic Segmentation Propagation from Uncertainty in Registration. MIUA Ivor J. A. Simpson, Mark W. Woolrich, Julia A. Schnabel