Stefan Horst Sommer
Professor
Image Analysis, Computational Modelling and Geometry
Universitetsparken 1
2100 København Ø
- 2023
- Udgivet
Instance-Specific Augmentation of Brain MRIs with Variational Autoencoders
Middleton, Jon Anthony, Bauer, Marko, Johansen, Jacob, Nielsen, M., Sommer, Stefan Horst & Pai, A. S. U., 2023, Medical Applications with Disentanglements .Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Accepteret/In press
Moment Evolution Equations and Moment Matching for Stochastic Image EPDiff
Christgau, Alexander Mangulad, Arnaudon, A. & Sommer, Stefan Horst, 2023, (Accepteret/In press) I: Journal of Mathematical Imaging and Vision. 14 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
- E-pub ahead of print
Most Probable Paths for Anisotropic Brownian Motions on Manifolds
Grong, E. & Sommer, Stefan Horst, 2023, (E-pub ahead of print) I: Foundations of Computational Mathematics. 33 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
- 2022
- Udgivet
Atlas generative models and geodesic interpolation
Stolberg-Larsen, J. & Sommer, Stefan Horst, 2022, I: Image and Vision Computing. 122, 23 s., 104433.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
- Udgivet
Diffusion Bridges for Stochastic Hamiltonian Systems and Shape Evolutions
Arnaudon, A., Van Der Meulen, F., Schauer, M. & Sommer, Stefan Horst, 2022, I: SIAM Journal on Imaging Sciences. 15, 1, s. 293-323Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
- Udgivet
Discrete-Time Observations of Brownian Motion on Lie Groups and Homogeneous Spaces: Sampling and Metric Estimation
Jensen, M. H., Joshi, S. & Sommer, Stefan Horst, 2022, I: Algorithms. 15, 8, s. 1-17 290.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
- Udgivet
ICLR 2022 Challenge for Computational Geometry & Topology: Design and Results
Myers, A., Sanborn, S., Donnat, C. D. & Sommer, Stefan Horst, 2022. 8 s.Publikation: Konferencebidrag › Paper › Forskning
- Udgivet
Mean Estimation on the Diagonal of Product Manifolds
Jensen, M. H. & Sommer, Stefan Horst, 2022, I: Algorithms. 15, 3, s. 1-16 92.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
- 2021
- Udgivet
Bridge Simulation and Metric Estimation on Lie Groups
Højgaard Jensen, M., Joshi, S. & Sommer, Stefan Horst, 2021, Geometric Science of Information: 5th International Conference, GSI 2021, Paris, France, July 21–23, 2021, Proceedings. Springer, s. 430-438 (Lecture Notes in Computer Science, Bind 12829).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Currents and K-functions for Fiber Point Processes
Hansen, P. E. H., Waagepetersen, R. P., Svane, A. M., Sporring, Jon, Stephensen, Hans Jacob Teglbjærg, Hasselholt, S. & Sommer, Stefan Horst, 2021, arXiv preprint. 12 s.Publikation: Bog/antologi/afhandling/rapport › Rapport › Forskning
- Udgivet
Currents and K-functions for Fiber Point Processes
Hansen, P. E. H., Waagepetersen, R. P., Svane, A. M., Sporring, Jon, Stephensen, Hans Jacob Teglbjærg, Hasselholt, S. & Sommer, Stefan Horst, 2021, Geometric Science of Information: 5th International Conference, GSI 2021, Paris, France, July 21–23, 2021, Proceedings. Nielsen, F. & Barbaresco, F. (red.). Springer, s. 127-134 (Lecture Notes in Computer Science, Bind 12829).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Diffusion Means and Heat Kernel on Manifolds
Hansen, P., Eltzner, B. & Sommer, Stefan Horst, 2021, Geometric Science of Information: 5th International Conference, GSI 2021, Paris, France, July 21–23, 2021, Proceedings. Springer, s. 111-118 (Lecture Notes in Computer Science, Bind 12829).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
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. 44, 2, s. 811 - 822Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
- Udgivet
Information Processing in Medical Imaging: 27th International Conference, IPMI 2021, Virtual Event, June 28–June 30, 2021, Proceedings
Feragen, A. (red.), Sommer, Stefan Horst (red.), Schnabel, J. (red.) & Nielsen, Mads (red.), 2021, Springer. 782 s. (Lecture Notes in Computer Science, Bind 12729).Publikation: Bog/antologi/afhandling/rapport › Antologi › Forskning › fagfællebedømt
- Udgivet
Latent Space Geometric Statistics
Kühnel, L., Fletcher, T., Joshi, S. & Sommer, Stefan Horst, 2021, Pattern Recognition. ICPR International Workshops and Challenges, 2021, Proceedings. Del Bimbo, A., Cucchiara, R., Sclaroff, S., Farinella, G. M., Mei, T., Bertini, M., Escalante, H. J. & Vezzani, R. (red.). Springer, s. 163-178 16 s. (Lecture Notes in Computer Science, Bind 12666 ).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt
- Udgivet
Stochastic Shape Analysis
Arnaudon, A., Holm, D. D. & Sommer, Stefan Horst, 2021, Handbook of Mathematical Models and Algorithms in Computer Vision and Imaging: Mathematical Imaging and Vision. Chen, K., Schönlieb, C-B., Tai, X-C. & Younces, L. (red.). Springer, s. 1-24 (Springer Reference).Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
- Udgivet
Stochastic flows and shape bridges
Sommer, Stefan Horst, Schauer, M. & Meulen, F. V. D., 2021, Statistics of Stochastic Differential Equations on Manifolds and Stratified Spaces (hybrid meeting). Mathematisches Forschungsinstitut Oberwolfach, s. 18-21 (Oberwolfach Reports; Nr. 48, Bind 2021).Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning
- 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 › Forskning › fagfællebedømt
- 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 › 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 › 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 › 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, L., Sommer, Stefan Horst & Arnaudon, A., 2019, I: Applied Mathematics and Computation. 356, s. 411-437 27 s.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
- Udgivet
PADDIT: Probabilistic Augmentation of Data using Diffeomorphic Image Transformation
Orbes-Arteaga, M., Sørensen, L., 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 › fagfællebedømt
- Udgivet
Simulation of Conditioned Diffusions on the Flat Torus
Jensen, M. H., 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 › Forskning › fagfællebedømt
- Udgivet
Brain Segmentation in Rodent MR-Images Using Convolutional Neural Networks
Sigurdsson, B., Darkner, Sune, Sommer, Stefan Horst, Mortensen, K. N., Sanggaard, S., Kostrikov, S. & Nedergaard, Maiken, 2018.Publikation: Konferencebidrag › Konferenceabstrakt til konference › Forskning › fagfællebedømt
- Udgivet
Generalizations of Ripley's K-function with Application to Space Curves
Sporring, Jon, Waagepetersen, R. P. & Sommer, Stefan Horst, 2018, arXiv.org. 9 s.Publikation: Bog/antologi/afhandling/rapport › Rapport › Forskning
- 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 › fagfællebedømt
- 2017
- Udgivet
Hippocampal texture predicts rate of cognitive decline in mild cognitive impairment
Pai, A. S. U., Pillai, J. A., Sørensen, L., 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
- 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, L., Darkner, Sune, Sørensen, L. & 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, L. & 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, L. & 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 › Forskning › fagfællebedømt
- 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 › fagfællebedømt
- Udgivet
Most Likely Separation of Intensity and Warping Effects in Image Registration
Kuhnel, L., 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 › fagfællebedømt
- Udgivet
Separating shape and intensity variation in images
Kühnel, L., 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
- Udgivet
Stochastic development regression on non-linear manifolds
Kühnel, L. & 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, L. & 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, Annette Korsholm, Hilsted, L. & Andersson, A. M., 2017, I: Birth Defects Research. 109, 9, s. 637 1 s.Publikation: Bidrag til tidsskrift › Konferenceabstrakt i tidsskrift › 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 › fagfællebedømt
ID: 9743396
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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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Proceedings of Math on the rocks: shape analysis workshop in Grundsund
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