Prof. Dr. Stefania Petra

Lehrstuhlinhaberin
Mathematische Bildverarbeitung
Telefon: 0821 598 2031
E-Mail:
Raum: 3034 (L1)
Adresse: Universitätsstraße 14, 86159 Augsburg

Lebenslauf

Forschungsschwerpunkte

Publikationen

Preprints:

 

Sigma Flows for Image and Data Labeling and Learning Structured Prediction

J Cassel, B Boll,  S Petra, P Albers, C Schnörr

https://arxiv.org/pdf/2408.15946.pdf

 

Generative Assignment Flows for Representing and Learning Joint Distributions of Discrete Data

B Boll, D Gonzalez-Alvarado, S Petra, C Schnörr

https://arxiv.org/pdf/2406.04527.pdf

 

A Geometric Embedding Approach to Multiple Games and Multiple Populations

B Boll,  J Cassel, P Albers, S Petra,  C Schnörr

https://arxiv.org/pdf/2401.05918.pdf

 

2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015

2023

Alexander Zeilmann, Stefania Petra and Christoph Schnörr
Learning linearized assignment flows for image labeling

PDF | BibTeX | RIS | DOI

Bastian Boll, Jonathan Schwarz, Daniel Gonzalez-Alvarado, Dmitrij Sitenko, Stefania Petra and Christoph Schnörr
Modeling large-scale joint distributions and inference by randomized assignment

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 9th International Conference, SSVM 2023, Santa Margherita di Pula, Italy, May 21–25, 2023, proceedings, edited by Luca Calatroni, Marco Donatelli, Serena Morigi, Marco Prato, Matteo Santacesaria

Sebastian Müller, Stefania Petra and Matthias Zisler
Multilevel geometric optimization for regularised constrained linear inverse problems

BibTeX | RIS | URL

Max Kahl, Stefania Petra, Christoph Schnörr, Gabriele Steidl and Matthias Zisler
On the remarkable efficiency of SMART

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 9th International Conference, SSVM 2023, Santa Margherita di Pula, Italy, May 21–25, 2023, proceedings, edited by Luca Calatroni, Marco Donatelli, Serena Morigi, Marco Prato, Matteo Santacesaria

Bastian Boll, Alexander Zeilmann, Stefania Petra and Christoph Schnörr
Self‐certifying classification by linearized deep assignment

PDF | BibTeX | RIS | DOI

Special issue: 92nd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), May 2023

2022

Jan Plier, Matthias Zisler, Jennifer Furkel, Maximilian Knoll, Alexander Marx, Alena Fischer, Kai Polsterer, Mathias H. Konstandin and Stefania Petra
Learning features via transformer networks for cardiomyocyte profiling

BibTeX | RIS | DOI

2021

Jan Plier, Fabrizio Savarino, Michal Kočvara and Stefania Petra
First-order geometric multilevel optimization for discrete tomography

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision 8th International Conference, SSVM 2021, Virtual Event, May 16–20, 2021, Proceedings, edited by: Abderrahim Elmoataz, Jalal Fadili, Yvain Quéau, Julien Rabin, Loïc Simon

Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra and Christoph Schnörr
Learning adaptive regularization for image labeling using geometric assignment

BibTeX | RIS | DOI

Alexander Zeilmann, Stefania Petra and Christoph Schnörr
Learning linear assignment flows for image labeling via exponential integration

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 8th International Conference, SSVM 2021, virtual event, May 16–20, 2021, proceedings, edited by Abderrahim Elmoataz, Jalal Fadili, Yvain Quéau, Julien Rabin, Loïc Simon

Lukas Kiefer, Stefania Petra, Martin Storath and Andreas Weinmann
Multi-channel Potts-based reconstruction for multi-spectral computed tomography

BibTeX | RIS | DOI

2020

Alexander Zeilmann, Fabrizio Savarino, Stefania Petra and Christoph Schnörr
Geometric numerical integration of the assignment flow

BibTeX | RIS | DOI

Matthias Zisler, Artjom Zern, Stefania Petra and Christoph Schnörr
Self-assignment flows for unsupervised data labeling on graphs

BibTeX | RIS | DOI

Yair Censor, Stefania Petra and Christoph Schnörr
Superiorization vs. accelerated convex optimization: the superiorized / regularized least-squares case

BibTeX | RIS | DOI

Artjom Zern, Matthias Zisler, Stefania Petra and Christoph Schnörr
Unsupervised assignment flow: label learning on feature manifolds by spatially regularized geometric assignment

BibTeX | RIS | DOI

2019

Lukas Kiefer, Stefania Petra, Martin Storath and Andreas Weinmann
Direct MRI segmentation from k-space data by iterative Potts minimization

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 7th International Conference, SSVM 2019, Hofgeismar, Germany, June 30 – July 4, 2019, proceedings, edited by Jan Lellmann, Martin Burger, Jan Modersitzki

Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra and Christoph Schnörr
Learning adaptive regularization for image labeling using geometric assignment

BibTeX | RIS | DOI

Published at: Scale Space and Variational Methods in Computer Vision: 7th International Conference, SSVM 2019, Hofgeismar, Germany, June 30 – July 4, 2019, proceedings, edited by Jan Lellmann, Martin Burger, Jan Modersitzki

Jan Kuske and Stefania Petra
Performance bounds for co-/sparse box constrained signal recovery

PDF | BibTeX | RIS | DOI

Artjom Zern, Matthias Zisler, Freddie Åström, Stefania Petra and Christoph Schnörr
Unsupervised label learning on manifolds by spatially regularized geometric assignment

BibTeX | RIS | DOI

Published in: Pattern Recognition: 40th German Conference, GCPR 2018, Stuttgart, Germany, October 9-12, 2018, proceedings, edited by Thomas Brox, Andrés Bruhn, Mario Fritz

Matthias Zisler, Artjom Zern, Stefania Petra and Christoph Schnörr
Unsupervised labeling by geometric and spatially regularized self-assignment

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 7th International Conference, SSVM 2019, Hofgeismar, Germany, June 30 – July 4, 2019, proceedings, edited by Jan Lellmann, Martin Burger, Jan Modersitzki

2018

Aviv Gibali and Stefania Petra
DC-programming versus ℓ0-superiorization for discrete tomography

PDF | BibTeX | RIS | DOI

2017

Ecaterina Bodnariuc, Stefania Petra, Christoph Schnörr and Jason Voorneveld
A local spatio-temporal approach to plane wave ultrasound particle image velocimetry

BibTeX | RIS | DOI

Published in: Pattern Recognition: 39th German Conference, GCPR 2017, Basel, Switzerland, September 12–15, 2017, proceedings, edited by Volker Roth, Thomas Vetter

Jan Kuske, Paul Swoboda and Stefania Petra
A novel convex relaxation for non-binary discrete tomography

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 6th International Conference, SSVM 2017, Kolding, Denmark, June 4-8, 2017, proceedings, edited by François Lauze, Yiqiu Dong, Anders Bjorholm Dahl

Robert Dalitz, Stefania Petra and Christoph Schnörr
Compressed motion sensing

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 6th International Conference, SSVM 2017, Kolding, Denmark, June 4-8, 2017, proceedings, edited by François Lauze, Yiqiu Dong, Anders Bjorholm Dahl

Matthias Zisler, Fabrizio Savarino, Stefania Petra and Christoph Schnörr
Gradient flows on a Riemannian submanifold for discrete tomography

BibTeX | RIS | DOI

Published in: Pattern Recognition: 39th German Conference, GCPR 2017, Basel, Switzerland, September 12–15, 2017, proceedings, edited by Volker Roth, Thomas Vetter

Vera Trajkovska, Paul Swoboda, Freddie Åström and Stefania Petra
Graphical model parameter learning by inverse linear programming

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 6th International Conference, SSVM 2017, Kolding, Denmark, June 4-8, 2017, proceedings, edited by François Lauze, Yiqiu Dong, Anders Bjorholm Dahl

Freddie Åström, Stefania Petra, Bernhard Schmitzer and Christoph Schnörr
Image labeling by assignment

BibTeX | RIS | DOI

Freddie Åström, Stefania Petra, Bernhard Schmitzer and Christoph Schnörr
Image labeling by assignment

BibTeX | RIS | DOI

Matthias Zisler, Freddie Åström, Stefania Petra and Christoph Schnörr
Image reconstruction by multilabel propagation

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 6th International Conference, SSVM 2017, Kolding, Denmark, June 4-8, 2017, proceedings, edited by François Lauze, Yiqiu Dong, Anders Bjorholm Dahl

Lukas Kiefer and Stefania Petra
Performance bounds for cosparse multichannel signal recovery via collaborative-TV

BibTeX | RIS | DOI

Published in: Scale Space and Variational Methods in Computer Vision: 6th International Conference, SSVM 2017, Kolding, Denmark, June 4-8, 2017, proceedings, edited by François Lauze, Yiqiu Dong, Anders Bjorholm Dahl

2016

Freddie Åström, Stefania Petra, Bernhard Schmitzer and Christoph Schnörr
A geometric approach to image labeling

BibTeX | RIS | DOI

Published in: Computer Vision – ECCV 2016: 14th European Conference, Amsterdam, The Netherlands, October 11-14, 2016, proceedings, Part V, edited by Bastian Leibe, Jiri Matas, Nicu Sebe, Max Welling

Matthias Zisler, Stefania Petra, Claudius Schnörr and Christoph Schnörr
Discrete tomography by continuous multilabeling subject to projection constraints

BibTeX | RIS | DOI

Published in: Pattern Recognition: 38th German Conference, GCPR 2016, Hannover, Germany, September 12-15, 2016, proceedings, edited by Bodo Rosenhahn, Bjoern Andres

Matthias Zisler, Jorg Hendrik Kappes, Claudius Schnorr, Stefania Petra and Christoph Schnorr
Non-binary discrete tomography by continuous non-convex optimization

BibTeX | RIS | DOI

Ecaterina Bodnariuc, Stefania Petra, Christian Poelma and Christoph Schnörr
Parametric dictionary-based velocimetry for echo PIV

BibTeX | RIS | DOI

Published in: Pattern Recognition: 38th German Conference, GCPR 2016, Hannover, Germany, September 12-15, 2016, proceedings, edited by Bodo Rosenhahn, Bjoern Andres

Ecaterina Bodnariuc, Martin Schiffner, Stefania Petra and Christoph Schnorr
Plane wave acoustic superposition for fast ultrasound imaging

BibTeX | RIS | DOI

Stefania Petra and Constantin Popa
Single projection Kaczmarz extended algorithms

BibTeX | RIS | DOI

An erratum to this article was published at: https://doi.org/10.1007/s11075-017-0390-1

Freddie Astrom, Stefania Petra, Bernhard Schmitzer and Christoph Schnorr
The assignment manifold: a smooth model for image labeling

BibTeX | RIS | DOI

2015

Ecaterina Bodnariuc, Arati Gurung, Stefania Petra and Christoph Schnörr
Adaptive dictionary-based spatio-temporal flow estimation for echo PIV

BibTeX | RIS | DOI

Published in: Energy Minimization Methods in Computer Vision and Pattern Recognition: 10th International Conference, EMMCVPR 2015, Hong Kong, China, January 13-16, 2015, proceedings, edited by Xue-Cheng Tai, Egil Bae, Tony F. Chan, Marius Lysaker

Florian Becker, Stefania Petra and Christoph Schnörr
Optical flow

BibTeX | RIS | DOI

Stefania Petra
Randomized sparse block Kaczmarz as randomized dual block-coordinate descent

PDF | BibTeX | RIS | DOI

Jörg Hendrik Kappes, Stefania Petra, Christoph Schnörr and Matthias Zisler
TomoGC: binary tomography by constrained GraphCuts

BibTeX | RIS | DOI

Published in: Pattern Recognition: 37th German Conference, GCPR 2015, Aachen, Germany, October 7-10, 2015, proceedings, edited by Juergen Gall, Peter Gehler, Bastian Leibe

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