Stefania Petra

Publication Activity (10 Years)

Years Active: 2003-2024
Publications (10 Years): 41

Top Topics

Linear Inverse Problems

Unsupervised Manner

Discrete Tomography

Top Venues

J. Math. Imaging Vis.

Publications

Maren Raus, Yara Elshiaty, Stefania Petra
Accelerated Bregmann divergence optimization with SMART: an information geometry point of view. CoRR (2024)
Bastian Boll, Jonas Cassel, Peter Albers, Stefania Petra, Christoph Schnörr
A Geometric Embedding Approach to Multiple Games and Multiple Populations. CoRR (2024)
Bastian Boll, Daniel Gonzalez-Alvarado, Stefania Petra, Christoph Schnörr
Generative Assignment Flows for Representing and Learning Joint Distributions of Discrete Data. CoRR (2024)
Bastian Boll, Jonathan Schwarz, Daniel Gonzalez-Alvarado, Dmitrij Sitenko, Stefania Petra, Christoph Schnörr
Modeling Large-Scale Joint Distributions and Inference by Randomized Assignment. SSVM (2023)
Alexander Zeilmann, Stefania Petra, Christoph Schnörr
Learning Linearized Assignment Flows for Image Labeling. J. Math. Imaging Vis. 65 (1) (2023)
Max Kahl, Stefania Petra, Christoph Schnörr, Gabriele Steidl, Matthias Zisler
On the Remarkable Efficiency of SMART. SSVM (2023)
Jan Plier, Matthias Zisler, Jennifer Furkel, Maximilian Knoll, Alexander Marx, Alena Fischer, Kai Polsterer, Mathias H. Konstandin, Stefania Petra
Learning Features via Transformer Networks for Cardiomyocyte Profiling. Bildverarbeitung für die Medizin (2022)
Sebastian Müller, Stefania Petra, Matthias Zisler
Multi-level Geometric Optimization for Regularised Constrained Linear Inverse Problems. CoRR (2022)
Bastian Boll, Alexander Zeilmann, Stefania Petra, Christoph Schnörr
Self-Certifying Classification by Linearized Deep Assignment. CoRR (2022)
Alexander Zeilmann, Stefania Petra, Christoph Schnörr
Learning Linearized Assignment Flows for Image Labeling. CoRR (2021)
Alexander Zeilmann, Stefania Petra, Christoph Schnörr
Learning Linear Assignment Flows for Image Labeling via Exponential Integration. SSVM (2021)
Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra, Christoph Schnörr
Learning Adaptive Regularization for Image Labeling Using Geometric Assignment. J. Math. Imaging Vis. 63 (2) (2021)
Jan Plier, Fabrizio Savarino, Michal Kocvara, Stefania Petra
First-Order Geometric Multilevel Optimization for Discrete Tomography. SSVM (2021)
Matthias Zisler, Artjom Zern, Stefania Petra, Christoph Schnörr
Self-Assignment Flows for Unsupervised Data Labeling on Graphs. SIAM J. Imaging Sci. 13 (3) (2020)
Lukas Kiefer, Stefania Petra, Martin Storath, Andreas Weinmann
Multi-Channel Potts-Based Reconstruction for Multi-Spectral Computed Tomography. CoRR (2020)
Artjom Zern, Matthias Zisler, Stefania Petra, Christoph Schnörr
Unsupervised Assignment Flow: Label Learning on Feature Manifolds by Spatially Regularized Geometric Assignment. J. Math. Imaging Vis. 62 (6-7) (2020)
Artjom Zern, Matthias Zisler, Stefania Petra, Christoph Schnörr
Unsupervised Assignment Flow: Label Learning on Feature Manifolds by Spatially Regularized Geometric Assignment. CoRR (2019)
Yair Censor, Stefania Petra, Christoph Schnörr
Superiorization vs. Accelerated Convex Optimization: The Superiorized/Regularized Least-Squares Case. CoRR (2019)
Matthias Zisler, Artjom Zern, Stefania Petra, Christoph Schnörr
Self-Assignment Flows for Unsupervised Data Labeling on Graphs. CoRR (2019)
Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra, Christoph Schnörr
Learning Adaptive Regularization for Image Labeling Using Geometric Assignment. CoRR (2019)
Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra, Christoph Schnörr
Learning Adaptive Regularization for Image Labeling Using Geometric Assignment. SSVM (2019)
Matthias Zisler, Artjom Zern, Stefania Petra, Christoph Schnörr
Unsupervised Labeling by Geometric and Spatially Regularized Self-assignment. SSVM (2019)
Lukas Kiefer, Stefania Petra, Martin Storath, Andreas Weinmann
Direct MRI Segmentation from k-Space Data by Iterative Potts Minimization. SSVM (2019)
Artjom Zern, Matthias Zisler, Freddie Åström, Stefania Petra, Christoph Schnörr
Unsupervised Label Learning on Manifolds by Spatially Regularized Geometric Assignment. GCPR (2018)
Jan Kuske, Stefania Petra
Performance Bounds For Co-/Sparse Box Constrained Signal Recovery. CoRR (2018)
Matthias Zisler, Fabrizio Savarino, Stefania Petra, Christoph Schnörr
Gradient Flows on a Riemannian Submanifold for Discrete Tomography. GCPR (2017)
Stefania Petra, Constantin Popa
Erratum to: Single projection Kaczmarz extended algorithms. Numer. Algorithms 76 (2) (2017)
Vera Trajkovska, Paul Swoboda, Freddie Åström, Stefania Petra
Graphical Model Parameter Learning by Inverse Linear Programming. SSVM (2017)
Lukas Kiefer, Stefania Petra
Performance Bounds for Cosparse Multichannel Signal Recovery via Collaborative-TV. SSVM (2017)
Matthias Zisler, Freddie Åström, Stefania Petra, Christoph Schnörr
Image Reconstruction by Multilabel Propagation. SSVM (2017)
Robert Dalitz, Stefania Petra, Christoph Schnörr
Compressed Motion Sensing. SSVM (2017)
Ecaterina Bodnariuc, Stefania Petra, Christoph Schnörr, Jason D. Voorneveld
A Local Spatio-Temporal Approach to Plane Wave Ultrasound Particle Image Velocimetry. GCPR (2017)
Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr
Image Labeling by Assignment. J. Math. Imaging Vis. 58 (2) (2017)
Jan Kuske, Paul Swoboda, Stefania Petra
A Novel Convex Relaxation for Non-binary Discrete Tomography. SSVM (2017)
Stefania Petra, Constantin Popa
Single projection Kaczmarz extended algorithms. Numer. Algorithms 73 (3) (2016)
Ecaterina Bodnariuc, Stefania Petra, Christian Poelma, Christoph Schnörr
Parametric Dictionary-Based Velocimetry for Echo PIV. GCPR (2016)
Matthias Zisler, Stefania Petra, Claudius Schnörr, Christoph Schnörr
Discrete Tomography by Continuous Multilabeling Subject to Projection Constraints. GCPR (2016)
Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr
A Geometric Approach to Image Labeling. ECCV (5) (2016)
Matthias Zisler, Jörg Hendrik Kappes, Claudius Schnörr, Stefania Petra, Christoph Schnörr
Non-Binary Discrete Tomography by Continuous Non-Convex Optimization. IEEE Trans. Computational Imaging 2 (3) (2016)
Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr
Image Labeling by Assignment. CoRR (2016)
Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr
The Assignment Manifold: A Smooth Model for Image Labeling. CVPR Workshops (2016)
Stefania Petra, Constantin Popa
Single Projection Kaczmarz Extended Algorithms. CoRR (2015)
Jörg Hendrik Kappes, Stefania Petra, Christoph Schnörr, Matthias Zisler
TomoGC: Binary Tomography by Constrained GraphCuts. GCPR (2015)
Andreea Denitiu, Stefania Petra, Claudius Schnörr, Christoph Schnörr
An Entropic Perturbation Approach to TV-Minimization for Limited-Data Tomography. DGCI (2014)
Andreea Denitiu, Stefania Petra, Claudius Schnörr, Christoph Schnörr
Phase Transitions and Cosparse Tomographic Recovery of Compound Solid Bodies from Few Projections. Fundam. Informaticae 135 (1-2) (2014)
Ecaterina Bodnariuc, Arati Gurung, Stefania Petra, Christoph Schnörr
Adaptive Dictionary-Based Spatio-temporal Flow Estimation for Echo PIV. EMMCVPR (2014)
Frank Lenzen, Florian Becker, Jan Lellmann, Stefania Petra, Christoph Schnörr
A class of quasi-variational inequalities for adaptive image denoising and decomposition. Comput. Optim. Appl. 54 (2) (2013)
Stefania Petra, Christoph Schnörr, Andreas Schröder
Critical Parameter Values and Reconstruction Properties of Discrete Tomography: Application to Experimental Fluid Dynamics. Fundam. Informaticae 125 (3-4) (2013)
Andreea Denitiu, Stefania Petra, Claudius Schnörr, Christoph Schnörr
Phase Transitions and Cosparse Tomographic Recovery of Compound Solid Bodies from Few Projections. CoRR (2013)
Stefania Petra, Christoph Schnörr, Florian Becker, Frank Lenzen
B-SMART: Bregman-Based First-Order Algorithms for Non-negative Compressed Sensing Problems. SSVM (2013)
Florian Becker, Bernhard Wieneke, Stefania Petra, Andreas Schröder, Christoph Schnörr
Corrections to "Variational Adaptive Correlation Method for Flow Estimation". IEEE Trans. Image Process. 21 (8) (2012)
Stefania Petra, Christoph Schnörr, Andreas Schröder
Critical Parameter Values and Reconstruction Properties of Discrete Tomography: Application to Experimental Fluid Dynamics CoRR (2012)
Florian Becker, Bernhard Wieneke, Stefania Petra, Andreas Schröder, Christoph Schnörr
Variational Adaptive Correlation Method for Flow Estimation. IEEE Trans. Image Process. 21 (6) (2012)
Stefania Petra, Christoph Schnörr
Average Case Recovery Analysis of Tomographic Compressive Sensing CoRR (2012)
Aurelian Nicola, Stefania Petra, Constantin Popa, Christoph Schnörr
A general extending and constraining procedure for linear iterative methods. Int. J. Comput. Math. 89 (2) (2012)
Frank Lenzen, Florian Becker, Jan Lellmann, Stefania Petra, Christoph Schnörr
Variational Image Denoising with Adaptive Constraint Sets. SSVM (2011)
Stefania Petra, Andreas Schröder, Bernhard Wieneke, Christoph Schnörr
On Sparsity Maximization in Tomographic Particle Image Reconstruction. DAGM-Symposium (2008)
Christian Kanzow, Stefania Petra
Projected filter trust region methods for a semismooth least squares formulation of mixed complementarity problems. Optim. Methods Softw. 22 (5) (2007)
Christian Kanzow, Stefania Petra
On a semismooth least squares formulation of complementarity problems with gap reduction. Optim. Methods Softw. 19 (5) (2004)
Stefania Petra, Alexandra Schaeffer, Albert Schaeffer, Sagi Nachum, Tal Guterman, Alex Shaharit, Ury Zhilinsky, Mira Barki
Developing a computeized simulator for Endoscopic Ultarasound. CARS (2003)