Stefan Horst Sommer
Professor
Image Analysis, Computational Modelling and Geometry
Universitetsparken 1, 2100 København Ø
- 2021
- E-pub ahead of print
Horizontal Flows and Manifold Stochastics in Geometric Deep Learning
Sommer, Stefan Horst & Bronstein, A. M., 2021, I : IEEE Transactions on Pattern Analysis and Machine Intelligence.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- 2020
- Udgivet
Introduction
Pennec, X., Sommer, Stefan Horst & Fletcher, T., 2020, Riemannian Geometric Statistics in Medical Image Analysis. Pennec, X., Sommer, S. & Fletcher, T. (red.). Academic Press, s. xvii-xixPublikation: Bidrag til bog/antologi/rapport › Forord/efterskrift › Forskning › fagfællebedømt
- Udgivet
Introduction to differential and Riemannian geometry
Sommer, Stefan Horst, Fletcher, T. & Pennec, X., 2020, Riemannian Geometric Statistics in Medical Image. Pennec, X., Sommer, S. & Fletcher, T. (red.). Academic Press, s. 3-37Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
- Udgivet
Probabilistic approaches to geometric statistics: Stochastic processes, transition distributions, and fiber bundle geometry
Sommer, Stefan Horst, 2020, Riemannian Geometric Statistics in Medical Image. Pennec, X., Sommer, S. & Fletcher, T. (red.). Academic Press, s. 377-416Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
- Udgivet
Riemannian Geometric Statistics in Medical Image Analysis
Pennec, X. (red.), Sommer, Stefan Horst (red.) & Fletcher, T. (red.), 2020, 1. udg. Academic Press. 636 s.Publikation: Bog/antologi/afhandling/rapport › Bog
- Udgivet
Riemannian geometry on shapesand diffeomorphisms: Statistics via actions of the diffeomorphism group
Marsland, S. & Sommer, Stefan Horst, 2020, Riemannian Geometric Statistics in Medical Image Analysis. Pennec, X., Sommer, S. & Fletcher, T. (red.). Academic Press, s. 135-167Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
- 2019
- Udgivet
Generalizations of Ripley’s K-function with Application to Space Curves
Sporring, Jon, Waagepetersen, R. P. & Sommer, Stefan Horst, jun. 2019, Information Processing in Medical Imaging - 26th International Conference, IPMI 2019, Hong Kong, China, 2019, Proceedings: 26th International Conference, IPMI 2019, Hong Kong, China, June 2–7, 2019, Proceedings. Springer, s. 731-742 (Lecture Notes in Computer Science, Bind 11492).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
A Geometric Framework for Stochastic Shape Analysis
Arnaudon, A., Holm, D. D. & Sommer, Stefan Horst, 2019, I : Foundations of Computational Mathematics. 19, 3, s. 653–701 49 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
A Memory-Efficient Parallelizable Method for Computation of Thévenin Equivalents Used in Real-Time Stability Assessment
Jorgensen, C. H. L., Moller, J. G., Sommer, Stefan Horst & Johannsson, H., 2019, I : IEEE Transactions on Power Systems. 34, 4, s. 2675-2684 10 s., 8645670.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
An Infinitesimal Probabilistic Model for Principal Component Analysis of Manifold Valued Data
Sommer, Stefan Horst, 2019, I : Sankhya A. 81, 1, s. 37-62Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Binary Search and Fit Algorithm for Improved Voltage Stability Boundary Monitoring
Jørgensen, C. H. L., Karatas, B. C., Jóhannsson, H. & Sommer, Stefan Horst, 2019, Proceedings of 2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019. IEEE, 5 s. 8905466Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Differential geometry and stochastic dynamics with deep learning numerics
Kühnel, Line, Sommer, Stefan Horst & Arnaudon, A., 2019, I : Applied Mathematics and Computation. 356, s. 411-437 27 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
PADDIT: Probabilistic Augmentation of Data using Diffeomorphic Image Transformation
Orbes-Arteaga, M., xfj310, xfj310, Cardoso , J., Modat , M., Ourselin, S., Sommer, Stefan Horst, Nielsen, Mads, Igel, Christian & Pai, A. S. U., 2019, Proceedings, SPIE 10949, Medical Imaging 2019: Image Processing . SPIE - International Society for Optical Engineering, 6 s.Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Reduce-factor-solve for fast Thevenin impedance computation and network reduction
Sommer, Stefan Horst, Aabrandt, A. & Jóhannsson, H., 2019, I : IET Generation, Transmission and Distribution. 13, 2, s. 288-295Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Simulation of Conditioned Diffusions on the Flat Torus
Højgaard Jensen, Mathias, Mallasto, A. & Sommer, Stefan Horst, 2019, Geometric Science of Information - 4th International Conference, GSI 2019, Proceedings. Nielsen, F. & Barbaresco, F. (red.). Springer VS, s. 685-694 10 s. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Bind 11712 LNCS).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Stochastic Metamorphosis with Template Uncertainties
Arnaudon, A., Holm, D. D. & Sommer, Stefan Horst, 2019, Mathematics of Shapes and Applications. World Scientific, Bind 37. s. 75-96 22 s. (Lecture Notes Series, Institute for Mathematical Sciences, Bind 37).Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
- 2018
- Udgivet
Biomedical Image Registration: 8th International Workshop, WBIR 2018, Leiden, The Netherlands, June 28-29, 2018, Proceedings
Klein, S. (red.), Staring, M. (red.), Durrleman, S. (red.) & Sommer, Stefan Horst (red.), 2018, Springer. 127 s. (Image Processing, Computer Vision, Pattern Recognition, and Graphics, Bind 10883).Publikation: Bog/antologi/afhandling/rapport › Antologi
- Udgivet
Brain Segmentation in Rodent MR-Images Using Convolutional Neural Networks
Sigurdsson, Björn, Darkner, Sune, Sommer, Stefan Horst, Mortensen, Kristian Nygaard, Sanggaard, S., Kostrikov, S. & Nedergaard, Maiken, 2018.Publikation: Konferencebidrag › Konferenceabstrakt til konference › Forskning › fagfællebedømt
- Udgivet
String Methods for Stochastic Image and Shape Matching
Arnaudon, A., Holm, D. & Sommer, Stefan Horst, 2018, I : Journal of Mathematical Imaging and Vision. 60, 6, s. 953-967Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- 2017
- Udgivet
Hippocampal texture predicts rate of cognitive decline in mild cognitive impairment
Pai, A. S. U., Pillai, J. A., xfj310, xfj310, Darkner, Sune, Sommer, Stefan Horst & Nielsen, Mads, jul. 2017, I : Alzheimer's & Dementia. 13, 7, supplement, s. P1356 1 s., P4-225.Publikation: Bidrag til tidsskrift › Konferenceabstrakt i tidsskrift › Forskning
- Udgivet
A statistical model for simultaneous template estimation, bias correction, and registration of 3D brain images
Pai, A. S. U., Sommer, Stefan Horst, Raket, L. L., Kühnel, Line, Darkner, Sune, xfj310, xfj310 & Nielsen, Mads, 2017, Medical Computer Vision and Bayesian and Graphical Models for Biomedical Imaging: MICCAI 2016 International Workshops, MCV and BAMBI, Athens, Greece, October 21, 2016, Revised Selected Papers. Müller, H., Kelm, B. M., Arbel, T., Cai, W., Cardoso, M. J., Langs, G., Menze, B., Metaxas, D., Montillo, A., Wells, W. M., Zhang, S., Chung, A. C. S., Jenkinson, M. & Ribbens, A. (red.). Springer, s. 151-159 9 s. (Lecture notes in computer science, Bind 10081).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
A stochastic large deformation model for computational anatomy
Arnaudon, A., Holm, D. D., Pai, A. S. U. & Sommer, Stefan Horst, 2017, Information Processing in Medical Imaging: 25th International Conference, IPMI 2017, Boone, NC, USA, June 25-30, 2017, Proceedings. Springer, s. 571-582 12 s. (Lecture notes in computer science, Bind 10265).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Bridge simulation and metric estimation on landmark manifolds
Sommer, Stefan Horst, Arnaudon, A., Kühnel, Line & Joshi, S., 2017, Graphs in Biomedical Image Analysis, Computational Anatomy and Imaging Genetics: First International Workshop, GRAIL 2017, 6th International Workshop, MFCA 2017, and Third International Workshop, MICGen 2017, Held in Conjunction with MICCAI 2017, Québec City, QC, Canada, September 10–14, 2017, Proceedings. Cardoso, J., Arbel, T., Ferrante, E., Pennec, X., Dalca, A., Parisot, S., Batmanghelich, N. K., Sotiras, A., Nielsen, M., Sabuncu, M. R., Fletcher, T., Shen, L., Durrleman, S. & Sommer, S. (red.). Springer, s. 79-91 13 s. (Lecture notes in computer science, Bind 10551).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Characterization of errors in deep learning-based brain MRI segmentation
Pai, A. S. U., Teng, Y., Blair, J. P. M., Kallenberg, M. G. J., Dam, Erik Bjørnager, Sommer, Stefan Horst, Igel, Christian & Nielsen, Mads, 2017, Deep learning for medical image analysis. Zhou, S. K., Greenspan, H. & Shen, D. (red.). Academic Press, s. 223–242 20 s.Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
- Udgivet
Computational anatomy in Theano
Kühnel, Line & Sommer, Stefan Horst, 2017, Graphs in Biomedical Image Analysis, Computational Anatomy and Imaging Genetics: First International Workshop, GRAIL 2017, 6th International Workshop, MFCA 2017, and Third International Workshop, MICGen 2017, Held in Conjunction with MICCAI 2017, Québec City, QC, Canada, September 10–14, 2017, Proceedings. Cardoso, J., Arbel, T., Ferrante, E., Pennec, X., Dalca, A., Parisot, S., Joshi, S., Batmanghelich, N. K., Sotiras, A., Nielsen, M., Sabuncu, M. R., Fletcher, T., Shen, L., Durrleman, S. & Sommer, S. (red.). Springer, s. 164-176 13 s. (Lecture notes in computer science, Bind 10551).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Graphs in Biomedical Image Analysis, Computational Anatomy and Imaging Genetics: First International Workshop, GRAIL 2017, 6th International Workshop, MFCA 2017, and Third International Workshop, MICGen 2017, Held in Conjunction with MICCAI 2017, Québec City, QC, Canada, September 10–14, 2017, Proceedings
Cardoso, M. J. (red.), Arbel, T. (red.), Ferrante, E. (red.), Pennec, X. (red.), Dalca, A. V., Parisot, S. (red.), Joshi, S. (red.), Batmanghelich, N. K. (red.), Sotiras, A. (red.), Nielsen, Mads (red.), Sabuncu, M. R. (red.), Fletcher, T. (red.), Shen, L. (red.), Durrleman, S. (red.) & Sommer, Stefan Horst (red.), 2017, Springer. 248 s. (Lecture notes in computer science, Bind 10551).Publikation: Bog/antologi/afhandling/rapport › Antologi
- Udgivet
Modelling anisotropic covariance using stochastic development and sub-Riemannian frame bundle geometry
Sommer, Stefan Horst & Svane, A. M., 2017, I : Journal of Geometric Mechanics. 9, 3, s. 391-410 20 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Most Likely Separation of Intensity and Warping Effects in Image Registration
Kühnel, Line, Sommer, Stefan Horst, Pai, A. & Raket, L. L., 2017, I : S I A M Journal on Imaging Sciences. 10, 2, s. 578-601Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Separating shape and intensity variation in images
Kühnel, Line, Sommer, Stefan Horst, Pai, A. S. U. & Raket, L. L., 2017, I : SIAM News. 50, 8, s. 12 1 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning
- Udgivet
Stochastic development regression on non-linear manifolds
Kühnel, Line & Sommer, Stefan Horst, 2017, Information Processing in Medical Imaging: 25th International Conference, IPMI 2017, Boone, NC, USA, June 25-30, 2017, Proceedings. Springer, s. 53-64 12 s. (Lecture notes in computer science, Bind 10265).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Stochastic development regression using method of moments
Kühnel, Line & Sommer, Stefan Horst, 2017, Geometric Science of Information: Third International Conference, GSI 2017, Paris, France, November 7-9, 2017, Proceedings. Nielsen, F. & Barbaresco, F. (red.). Springer, s. 3-11 9 s. (Lecture notes in computer science, Bind 10589).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
The Development of Pubertal Gynaecomastia and the Association to Endogenous Hormones, Growth, and Body Composition
Mieritz, M. G., Juul, A., Raket, L. L., Hagen, C. P., Nielsen, J. E., Talman, M. M., Petersen, Jørgen Holm, Sommer, Stefan Horst, Main, Katharina Maria, Jørgensen, N., Sørensen, K., Aksglaede, L., Mouritsen, A., Hilsted, L. & Andersson, A. M., 2017, I : Birth Defects Research. 109, 9, s. 637 1 s.Publikation: Bidrag til tidsskrift › Konferenceabstrakt i tidsskrift › Forskning › fagfællebedømt
- 2016
- Udgivet
Anisotropically weighted and nonholonomically constrained evolutions on manifolds
Sommer, Stefan Horst, 2016, I : Entropy. 18, 12, 21 s., 425.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Combining the boundary shift integral and tensor-based morphometry for brain atrophy estimation
Michalkiewicz, M. D., Pai, A. S. U., Leung, K. K., Sommer, Stefan Horst, Darkner, Sune, xfj310, xfj310, Sporring, Jon & Nielsen, Mads, 2016, Medical imaging 2016: Image processing. Styner, M. A. & Angelini, E. D. (red.). SPIE - International Society for Optical Engineering, 6 s. 978406. (Progress in Biomedical Optics and Imaging).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Do dementia biomarkers have a sigmoid trajectory? Insights from non-linear mixed effects modeling
Pai, A. S. U., Sommer, Stefan Horst, Raket, L. L., xfj310, xfj310 & Nielsen, Mads, 2016, I : Alzheimer's & Dementia. 12, 7, Supplement, s. P356 1 s., O4-09-06.Publikation: Bidrag til tidsskrift › Konferenceabstrakt i tidsskrift › Forskning › fagfællebedømt
- Udgivet
Kernel bundle diffeomorphic image registration using stationary velocity fields and Wendland basis functions
Pai, A. S. U., Sommer, Stefan Horst, xfj310, xfj310, Darkner, Sune, Sporring, Jon & Nielsen, Mads, 2016, I : IEEE transactions on medical imaging. 35, 6, s. 1369-1380 12 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- 2015
- Udgivet
A longitudinal study of growth, sex steroids and IGF-1 in boys with physiological gynaecomastia
Mieritz, M. G., Raket, L. L., Hagen, C. P., Nielsen, J. E., Talman, M. M., Petersen, Jørgen Holm, Sommer, Stefan Horst, Main, Katharina Maria, Jørgensen, N. & Juul, Anders, 2015, I : Journal of Clinical Endocrinology and Metabolism. 100, 10, s. 3752-3759 8 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Adaptive time-stepping in dieomorphic image registration with bounded inverse consistency error
Pai, A. S. U., Klein, S., Sommer, Stefan Horst, xfj310, xfj310, Darkner, Sune, Sporring, Jon & Nielsen, Mads, 2015, Proceedings of the fifth international workshop on Mathematical Foundations of Computational Anatomy (MFCA 2015) . INRIA, s. 35-47Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Adaptive time-stepping in diffeomorphic image registration with bounded inverse consistency error
Pai, A. S. U., Klein, S., Sommer, Stefan Horst, xfj310, xfj310, Darkner, Sune, Sporring, Jon & Nielsen, Mads, 2015, The 18th International Conference on Medical Image Computing and Computer Assisted Intervention: proceedings. Technische Universität München , s. 35-47 13 s.Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Anisotropic distributions on manifolds: template estimation and most probable paths
Sommer, Stefan Horst, 2015, Information processing in medical imaging: 24th International Conference, IPMI 2015, Sabhal Mor Ostaig, Isle of Skye, UK, June 28 - July 3, 2015, Proceedings. Ourselin, S., Alexander, D. C., Westin, C-F. & Cardoso, M. J. (red.). Springer, s. 193-204 12 s. (Lecture notes in computer science, Bind 9123).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Comparison of several computational pipelines for atrophy computation in longitudinal Alzheimers studies
Pai, A. S. U., Sommer, Stefan Horst, Darkner, Sune, xfj310, xfj310, Sporring, Jon & Nielsen, Mads, 2015. 1 s.Publikation: Konferencebidrag › Konferenceabstrakt til konference › Forskning › fagfællebedømt
- Udgivet
Diffeomorphic image registration with automatic time-step adjustment
Pai, A. S. U., Klein, S., Sommer, Stefan Horst, Darkner, Sune, Sporring, Jon & Nielsen, Mads, 2015, 2015 IEEE 12th International Symposium on Biomedical Imaging (ISBI). IEEE, s. 1085-1088 4 s.Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Evolution equations with anisotropic distributions and diffusion PCA
Sommer, Stefan Horst, 2015, Geometric science of information: Second International Conference, GSI 2015, Palaiseau, France, October 28–30, 2015, Proceedings. Nielsen, F. & Barbaresco, F. (red.). Springer Science+Business Media, s. 3-11 9 s. (Lecture notes in computer science, Bind 9389).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Image registration using stationary velocity fields parameterized by norm-minimizing Wendland kernel
Pai, A. S. U., Sommer, Stefan Horst, xfj310, xfj310, Darkner, Sune, Sporring, Jon & Nielsen, Mads, 2015, Medical Imaging 2015: Image Processing. SPIE - International Society for Optical Engineering, 7 s. (Proceedings of S P I E - International Society for Optical Engineering, Bind 9413).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Proceedings of Math on the rocks: shape analysis workshop in Grundsund
Modin, K. (red.) & Sommer, Stefan Horst (red.), 2015, Chalmers tekniska högskola. 42 s.Publikation: Bog/antologi/afhandling/rapport › Bog
- Udgivet
Proceedings of the fifth international workshop on Mathematical Foundations of Computational Anatomy (MFCA 2015)
Pennec, X. (red.), Joshi, S. (red.), Nielsen, Mads (red.), Fletcher, T. P. (red.), Durrleman, S. (red.) & Sommer, Stefan Horst (red.), 2015, INRIA. 173 s.Publikation: Bog/antologi/afhandling/rapport › Antologi
- Udgivet
Reduction by Lie Group symmetries in diffeomorphic image registration and deformation modelling
Sommer, Stefan Horst & Jacobs, H. O., 2015, I : Symmetry. 7, 2, s. 599-624 26 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Serum AMH levels are lower in healthy boys who develop pubertal gynaecomastia
Mieritz, M. G., Hagen, C. P., Almstrup, K., Petersen, Jørgen Holm, Raket, L. L., Sommer, Stefan Horst & Juul, A., 2015, I : Hormone Research in Paediatrics. 84, Supplement 1, s. 290-291 2 s., P2-526.Publikation: Bidrag til tidsskrift › Konferenceabstrakt i tidsskrift › Forskning › fagfællebedømt
- 2014
- Udgivet
A nonlinear mixed-effects model for simultaneous smoothing and registration of functional data
Raket, L. L., Sommer, Stefan Horst & Markussen, Bo, 2014, I : Pattern Recognition Letters. 38, s. 1-7 7 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
- Udgivet
Higher-order spatial accuracy in diffeomorphic image registration
Jacobs, H. O. & Sommer, Stefan Horst, 2014, I : Geometry, Imaging and Computing. 1, 4, s. 447-484 38 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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Math in the cabin - shape analysis workshop in Bad Gastein
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Reduction by Lie Group symmetries in diffeomorphic image registration and deformation modelling
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