Stefan Horst Sommer

Søgeresultater

• 2024

  Conditioning non-linear and infinite-dimensional diffusion processes

  Baker, E. L., Yang, G., Severinsen, M. L., Hipsley, C. A. & Sommer, S. H., 2024, Proceedings of 38th Conference on Neural Information Processing Systems (NeurIPS 2024).. NeurIPS Proceedings, 19 s. (Advances in Neural Information Processing Systems, Bind 37).

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• 2023

  A Function Space Perspective on Stochastic Shape Evolution

  Baker, E., Besnier, T. & Sommer, S., 2023, Image Analysis - 23rd Scandinavian Conference, SCIA 2023, Proceedings. Gade, R., Felsberg, M. & Kämäräinen, J.-K. (red.). Springer, s. 278-292 15 s. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Bind 13886 LNCS).

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• Instance-Specific Augmentation of Brain MRIs with Variational Autoencoders

  Middleton, J. A., Bauer, M., Johansen, J., Nielsen, M., Sommer, S. H. & Pai, A. S. U., 2023, Medical Applications with Disentanglements : First MICCAI Workshop, MAD 2022, Held in Conjunction with MICCAI 2022, Singapore, September 22, 2022, Proceedings. Springer, s. 49-58 (Lecture Notes in Computer Science, Bind 13823).

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  1 Citationer (Scopus)

• Tangent Phylogenetic PCA

  Akhøj, M., Pennec, X. & Sommer, S., 2023, Image Analysis - 23rd Scandinavian Conference, SCIA 2023, Proceedings. Gade, R., Felsberg, M. & Kämäräinen, J.-K. (red.). Springer, s. 77-90 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Bind 13886 LNCS).

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• 2021

  Bridge Simulation and Metric Estimation on Lie Groups

  Højgaard Jensen, M., Joshi, S. & Sommer, S., 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).

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  1 Citationer (Scopus)

• Currents and K-functions for Fiber Point Processes

  Hansen, P. E. H., Waagepetersen, R. P., Svane, A. M., Sporring, J., Stephensen, H. J. T., Hasselholt, S. & Sommer, S. H., 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).

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• Diffusion Means and Heat Kernel on Manifolds

  Hansen, P., Eltzner, B. & Sommer, S., 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).

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  3 Citationer (Scopus)

• Latent Space Geometric Statistics

  Kühnel, L., Fletcher, T., Joshi, S. & Sommer, S., 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 ).

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  1 Citationer (Scopus)

• Stochastic flows and shape bridges

  Sommer, S. H., 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).

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• 2019

  Binary Search and Fit Algorithm for Improved Voltage Stability Boundary Monitoring

  Jørgensen, C. H. L., Karatas, B. C., Jóhannsson, H. & Sommer, S., 2019, Proceedings of 2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019. IEEE, 5 s. 8905466

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  1 Citationer (Scopus)

• Generalizations of Ripley’s K-function with Application to Space Curves

  Sporring, J., Waagepetersen, R. P. & Sommer, S. H., 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).

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• PADDIT: Probabilistic Augmentation of Data using Diffeomorphic Image Transformation

  Orbes-Arteaga, M., Sørensen, L., Cardoso , J., Modat , M., Ourselin, S., Sommer, S. H., Nielsen, M., Igel, C. & Pai, A. S. U., 2019, Proceedings, SPIE 10949, Medical Imaging 2019: Image Processing . SPIE - International Society for Optical Engineering, 6 s.

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  2 Citationer (Scopus)

• Simulation of Conditioned Diffusions on the Flat Torus

  Jensen, M. H., Mallasto, A. & Sommer, S., 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).

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  2 Citationer (Scopus)
• 2017

  A statistical model for simultaneous template estimation, bias correction, and registration of 3D brain images

  Pai, A. S. U., Sommer, S. H., Raket, L. L., Kühnel, L., Darkner, S., Sørensen, L. & Nielsen, M., 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).

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• A stochastic large deformation model for computational anatomy

  Arnaudon, A., Holm, D. D., Pai, A. S. U. & Sommer, S. H., 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).

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  9 Citationer (Scopus)

• Bridge simulation and metric estimation on landmark manifolds

  Sommer, S. H., 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).

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  19 Citationer (Scopus)

• Computational anatomy in Theano

  Kühnel, L. & Sommer, S. H., 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).

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  10 Citationer (Scopus)

• Stochastic development regression on non-linear manifolds

  Kühnel, L. & Sommer, S. H., 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).

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  9 Citationer (Scopus)

• Stochastic development regression using method of moments

  Kühnel, L. & Sommer, S. H., 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).

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  2 Citationer (Scopus)
• 2016

  Combining the boundary shift integral and tensor-based morphometry for brain atrophy estimation

  Michalkiewicz, M. D., Pai, A. S. U., Leung, K. K., Sommer, S. H., Darkner, S., Sørensen, L., Sporring, J. & Nielsen, M., 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).

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• 2015

  Adaptive time-stepping in dieomorphic image registration with bounded inverse consistency error

  Pai, A. S. U., Klein, S., Sommer, S. H., Sørensen, L., Darkner, S., Sporring, J. & Nielsen, M., 2015, Proceedings of the fifth international workshop on Mathematical Foundations of Computational Anatomy (MFCA 2015) . INRIA, s. 35-47

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• Adaptive time-stepping in diffeomorphic image registration with bounded inverse consistency error

  Pai, A. S. U., Klein, S., Sommer, S. H., Sørensen, L. E. B. L., Darkner, S., Sporring, J. & Nielsen, M., 2015, The 18th International Conference on Medical Image Computing and Computer Assisted Intervention: proceedings. Technische Universität München , s. 35-47 13 s.

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• Anisotropic distributions on manifolds: template estimation and most probable paths

  Sommer, S. H., 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).

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  30 Citationer (Scopus)

• Diffeomorphic image registration with automatic time-step adjustment

  Pai, A. S. U., Klein, S., Sommer, S. H., Darkner, S., Sporring, J. & Nielsen, M., 2015, 2015 IEEE 12th International Symposium on Biomedical Imaging (ISBI). IEEE, s. 1085-1088 4 s.

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  1 Citationer (Scopus)

• Evolution equations with anisotropic distributions and diffusion PCA

  Sommer, S. H., 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).

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  5 Citationer (Scopus)

• Image registration using stationary velocity fields parameterized by norm-minimizing Wendland kernel

  Pai, A. S. U., Sommer, S. H., Sørensen, L., Darkner, S., Sporring, J. & Nielsen, M., 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).

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  5 Citationer (Scopus)
• 2014

  Stepwise inverse consistent Euler’s scheme for diffeomorphic image registration

  Pai, A. S. U., Sommer, S. H., Darkner, S., Sørensen, L., Sporring, J. & Nielsen, M., 2014, Biomedical Image Registration: 6th International Workshop, WBIR 2014, London, UK, July 7-8, 2014. Proceedings. Ourselin, S. & Modat, M. (red.). Springer, s. 223-230 8 s. (Lecture notes in computer science, Bind 8545).

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  2 Citationer (Scopus)
• 2013

  Horizontal dimensionality reduction and iterated frame bundle development

  Sommer, S. H., 2013, Geometric Science of Information: First International Conference, GSI 2013, Paris, France, August 28-30, 2013. Proceedings. Nielsen, F. & Barbaresco, F. (red.). Springer, s. 76-83 8 s. (Lecture notes in computer science, Bind 8085).

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  23 Citationer (Scopus)

• Real-time thevenin impedance computation

  Sommer, S. H. & Johannsson, H., 2013, Innovative Smart Grid Technologies (ISGT), 2013 IEEE PES. IEEE, s. 1-6 6 s.

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  25 Citationer (Scopus)
• 2012

  Investigation of the adaptability of transient stability assessment methods to real-time operation

  Weckesser, T., Johannsson, H., Sommer, S. H. & Østergaard, J., 2012, 2012 3rd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies (ISGT Europe). IEEE, s. 1-9 9 s.

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  18 Citationer (Scopus)

• Kernel bundle EPDiff: Evolution equations for multi-scale diffeomorphic image registration

  Sommer, S. H., Lauze, F. B., Nielsen, M. & Pennec, X., 2012, Scale Space and Variational Methods in Computer Vision - Third International Conference, SSVM 2011, Revised Selected Papers: Third International Conference, SSVM 2011, Ein-Gedi, Israel, May 29 – June 2, 2011, Revised Selected Papers. Bruckstein, A., ter Haar Romeny, B. M., Bronstein, A. M. & Bronstein, M. M. (red.). Springer, s. 677-688 12 s. (Lecture notes in computer science, Bind 6667).

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  10 Citationer (Scopus)

• Sparsity and scale: compact representations of deformation for diffeomorphic registration

  Sommer, S. H., Nielsen, M. & Pennec, X., 2012, 2012 IEEE Workshop on Mathematical Methods in Biomedical Image Analysis (MMBIA). IEEE, s. 217-224 8 s.

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  2 Citationer (Scopus)
• 2011

  Accelerating multi-scale flows for LDDKBM diffeomorphic registration

  Sommer, S. H., 2011, 2011 IEEE International Conference on Computer Vision Workshops (ICCV Workshops). IEEE, s. 499-505 7 s.

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  10 Citationer (Scopus)

• A multi-scale kernel bundle for LDDMM: towards sparse deformation description across space and scales

  Sommer, S. H., Nielsen, M., Lauze, F. B. & Pennec, X., 2011, Information Processing in Medical Imaging: 22nd International Conference, IPMI 2011, Kloster Irsee, Germany, July 3-8, 2011. Proceedings. Székely, G. & Hahn, H. K. (red.). Springer, s. 624-35 12 s. (Lecture notes in computer science, Bind 6801).

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  32 Citationer (Scopus)
• 2010

  Gaussian-like spatial priors for articulated tracking

  Hauberg, S., Sommer, S. H. & Pedersen, K. S., 2010, Computer Vision - ECCV 2010: 11th European Conference on Computer Vision, Heraklion, Crete, Greece, September 5-11, 2010, Proceedings, Part I. Daniilidis, K., Maragos, P. & Paragios, N. (red.). Springer, Bind Part I. s. 425-437 13 s. (Lecture notes in computer science; Nr. 6311).

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  24 Citationer (Scopus)

• Manifold valued statistics, exact principal geodesic analysis and the effect of linear approximations

  Sommer, S. H., Lauze, F. B., Hauberg, S. & Nielsen, M., 2010, Computer Vision - ECCV 2010: 11th European Conference on Computer Vision, Heraklion, Crete, Greece, September 5-11, 2010, Proceedings, Part VI. Daniilidis, K., Maragos, P. & Paragios, N. (red.). Springer, Bind Part VI. s. 43-56 14 s. (Lecture notes in computer science; Nr. 6316).

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  66 Citationer (Scopus)
• 2009

  Bicycle Chain Shape Models

  Sommer, S. H., Tatu, A. J., Chen, C., Jørgensen, D., de Bruijne, M., Loog, M., Nielsen, M. & Lauze, F. B., 2009, Computer Vision and Pattern Recognition Workshops, 2009. CVPR Workshops 2009. IEEE Computer Society Conference on Computer Vision and Pattern Recognition.. IEEE, s. 157-163 7 s.

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  7 Citationer (Scopus)