Stefania Petra

69 papers Journal 38Unranked 30

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Generative Modeling of Discrete Data Using Geometric Latent Subspaces. CoRR Daniel Gonzalez-Alvarado, Jonas Cassel, Stefania Petra, Christoph Schnörr
2025	J	`jnl`	Generative Assignment Flows for Representing and Learning Joint Distributions of Discrete Data. J. Math. Imaging Vis. Bastian Boll, Daniel Gonzalez-Alvarado, Stefania Petra, Christoph Schnörr
2025	—	`conf`	Information Geometry of Exponentiated Gradient: Convergence Beyond L-Smoothness. SSVM (2) Yara Elshiaty, Ferdinand Vanmaele, Stefania Petra
2025	—	`conf`	Multilevel Optimization: Geometric Coarse Models and Convergence Analysis. SSVM (2) Ferdinand Vanmaele, Yara Elshiaty, Stefania Petra
2025	—	`conf`	Riemannian Patch Assignment Gradient Flows. SSVM (2) Daniel Gonzalez-Alvarado, Fabio Schlindwein, Jonas Cassel, Laura Steingruber, Stefania Petra, Christoph Schnörr
2025	J	`jnl`	Riemannian Patch Assignment Gradient Flows. CoRR Daniel Gonzalez-Alvarado, Fabio Schlindwein, Jonas Cassel, Laura Steingruber, Stefania Petra, Christoph Schnörr
2025	J	`jnl`	Sigma Flows for Image and Data Labeling and Learning Structured Prediction. J. Math. Imaging Vis. Jonas Cassel, Bastian Boll, Stefania Petra, Peter Albers, Christoph Schnörr
2024	J	`jnl`	A Geometric Embedding Approach to Multiple Games and Multiple Populations. CoRR Bastian Boll, Jonas Cassel, Peter Albers, Stefania Petra, Christoph Schnörr
2024	J	`jnl`	Accelerated Bregmann divergence optimization with SMART: an information geometry point of view. CoRR Maren Raus, Yara Elshiaty, Stefania Petra
2024	J	`jnl`	Generative Assignment Flows for Representing and Learning Joint Distributions of Discrete Data. CoRR Bastian Boll, Daniel Gonzalez-Alvarado, Stefania Petra, Christoph Schnörr
2024	J	`jnl`	Sigma Flows for Image and Data Labeling and Learning Structured Prediction. CoRR Jonas Cassel, Bastian Boll, Stefania Petra, Peter Albers, Christoph Schnörr
2023	J	`jnl`	Learning Linearized Assignment Flows for Image Labeling. J. Math. Imaging Vis. Alexander Zeilmann, Stefania Petra, Christoph Schnörr
2023	—	`conf`	Modeling Large-Scale Joint Distributions and Inference by Randomized Assignment. SSVM Bastian Boll, Jonathan Schwarz, Daniel Gonzalez-Alvarado, Dmitrij Sitenko, Stefania Petra, Christoph Schnörr
2023	—	`conf`	On the Remarkable Efficiency of SMART. SSVM Max Kahl, Stefania Petra, Christoph Schnörr, Gabriele Steidl, Matthias Zisler
2022	—	`conf`	Learning Features via Transformer Networks for Cardiomyocyte Profiling. Bildverarbeitung für die Medizin Jan Plier, Matthias Zisler, Jennifer Furkel, Maximilian Knoll, Alexander Marx, Alena Fischer, Kai Polsterer, Mathias H. Konstandin, Stefania Petra
2022	J	`jnl`	Multi-level Geometric Optimization for Regularised Constrained Linear Inverse Problems. CoRR Sebastian Müller, Stefania Petra, Matthias Zisler
2022	J	`jnl`	Self-Certifying Classification by Linearized Deep Assignment. CoRR Bastian Boll, Alexander Zeilmann, Stefania Petra, Christoph Schnörr
2021	—	`conf`	First-Order Geometric Multilevel Optimization for Discrete Tomography. SSVM Jan Plier, Fabrizio Savarino, Michal Kocvara, Stefania Petra
2021	J	`jnl`	Learning Adaptive Regularization for Image Labeling Using Geometric Assignment. J. Math. Imaging Vis. Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra, Christoph Schnörr
2021	—	`conf`	Learning Linear Assignment Flows for Image Labeling via Exponential Integration. SSVM Alexander Zeilmann, Stefania Petra, Christoph Schnörr
2021	J	`jnl`	Learning Linearized Assignment Flows for Image Labeling. CoRR Alexander Zeilmann, Stefania Petra, Christoph Schnörr
2020	J	`jnl`	Multi-Channel Potts-Based Reconstruction for Multi-Spectral Computed Tomography. CoRR Lukas Kiefer, Stefania Petra, Martin Storath, Andreas Weinmann
2020	J	`jnl`	Self-Assignment Flows for Unsupervised Data Labeling on Graphs. SIAM J. Imaging Sci. Matthias Zisler, Artjom Zern, Stefania Petra, Christoph Schnörr
2020	J	`jnl`	Unsupervised Assignment Flow: Label Learning on Feature Manifolds by Spatially Regularized Geometric Assignment. J. Math. Imaging Vis. Artjom Zern, Matthias Zisler, Stefania Petra, Christoph Schnörr
2019	—	`conf`	Direct MRI Segmentation from k-Space Data by Iterative Potts Minimization. SSVM Lukas Kiefer, Stefania Petra, Martin Storath, Andreas Weinmann
2019	—	`conf`	Learning Adaptive Regularization for Image Labeling Using Geometric Assignment. SSVM Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra, Christoph Schnörr
2019	J	`jnl`	Learning Adaptive Regularization for Image Labeling Using Geometric Assignment. CoRR Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra, Christoph Schnörr
2019	J	`jnl`	Self-Assignment Flows for Unsupervised Data Labeling on Graphs. CoRR Matthias Zisler, Artjom Zern, Stefania Petra, Christoph Schnörr
2019	J	`jnl`	Superiorization vs. Accelerated Convex Optimization: The Superiorized/Regularized Least-Squares Case. CoRR Yair Censor, Stefania Petra, Christoph Schnörr
2019	J	`jnl`	Unsupervised Assignment Flow: Label Learning on Feature Manifolds by Spatially Regularized Geometric Assignment. CoRR Artjom Zern, Matthias Zisler, Stefania Petra, Christoph Schnörr
2019	—	`conf`	Unsupervised Labeling by Geometric and Spatially Regularized Self-assignment. SSVM Matthias Zisler, Artjom Zern, Stefania Petra, Christoph Schnörr
2018	J	`jnl`	Performance Bounds For Co-/Sparse Box Constrained Signal Recovery. CoRR Jan Kuske, Stefania Petra
2018	—	`conf`	Unsupervised Label Learning on Manifolds by Spatially Regularized Geometric Assignment. GCPR Artjom Zern, Matthias Zisler, Freddie Åström, Stefania Petra, Christoph Schnörr
2017	—	`conf`	A Local Spatio-Temporal Approach to Plane Wave Ultrasound Particle Image Velocimetry. GCPR Ecaterina Bodnariuc, Stefania Petra, Christoph Schnörr, Jason D. Voorneveld
2017	—	`conf`	A Novel Convex Relaxation for Non-binary Discrete Tomography. SSVM Jan Kuske, Paul Swoboda, Stefania Petra
2017	—	`conf`	Compressed Motion Sensing. SSVM Robert Dalitz, Stefania Petra, Christoph Schnörr
2017	J	`jnl`	Erratum to: Single projection Kaczmarz extended algorithms. Numer. Algorithms Stefania Petra, Constantin Popa
2017	—	`conf`	Gradient Flows on a Riemannian Submanifold for Discrete Tomography. GCPR Matthias Zisler, Fabrizio Savarino, Stefania Petra, Christoph Schnörr
2017	—	`conf`	Graphical Model Parameter Learning by Inverse Linear Programming. SSVM Vera Trajkovska, Paul Swoboda, Freddie Åström, Stefania Petra
2017	J	`jnl`	Image Labeling by Assignment. J. Math. Imaging Vis. Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr
2017	—	`conf`	Image Reconstruction by Multilabel Propagation. SSVM Matthias Zisler, Freddie Åström, Stefania Petra, Christoph Schnörr
2017	—	`conf`	Performance Bounds for Cosparse Multichannel Signal Recovery via Collaborative-TV. SSVM Lukas Kiefer, Stefania Petra
2016	—	`conf`	A Geometric Approach to Image Labeling. ECCV (5) Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr
2016	—	`conf`	Discrete Tomography by Continuous Multilabeling Subject to Projection Constraints. GCPR Matthias Zisler, Stefania Petra, Claudius Schnörr, Christoph Schnörr
2016	J	`jnl`	Image Labeling by Assignment. CoRR Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr
2016	J	`jnl`	Non-Binary Discrete Tomography by Continuous Non-Convex Optimization. IEEE Trans. Computational Imaging Matthias Zisler, Jörg Hendrik Kappes, Claudius Schnörr, Stefania Petra, Christoph Schnörr
2016	—	`conf`	Parametric Dictionary-Based Velocimetry for Echo PIV. GCPR Ecaterina Bodnariuc, Stefania Petra, Christian Poelma, Christoph Schnörr
2016	J	`jnl`	Single projection Kaczmarz extended algorithms. Numer. Algorithms Stefania Petra, Constantin Popa
2016	—	`conf`	The Assignment Manifold: A Smooth Model for Image Labeling. CVPR Workshops Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr
2015	—	`ch.`	Optical Flow. Handbook of Mathematical Methods in Imaging Florian Becker, Stefania Petra, Christoph Schnörr
2015	J	`jnl`	Single Projection Kaczmarz Extended Algorithms. CoRR Stefania Petra, Constantin Popa
2015	—	`conf`	TomoGC: Binary Tomography by Constrained GraphCuts. GCPR Jörg Hendrik Kappes, Stefania Petra, Christoph Schnörr, Matthias Zisler
2014	—	`conf`	Adaptive Dictionary-Based Spatio-temporal Flow Estimation for Echo PIV. EMMCVPR Ecaterina Bodnariuc, Arati Gurung, Stefania Petra, Christoph Schnörr
2014	—	`conf`	An Entropic Perturbation Approach to TV-Minimization for Limited-Data Tomography. DGCI Andreea Denitiu, Stefania Petra, Claudius Schnörr, Christoph Schnörr
2014	J	`jnl`	Phase Transitions and Cosparse Tomographic Recovery of Compound Solid Bodies from Few Projections. Fundam. Informaticae Andreea Denitiu, Stefania Petra, Claudius Schnörr, Christoph Schnörr
2013	J	`jnl`	A class of quasi-variational inequalities for adaptive image denoising and decomposition. Comput. Optim. Appl. Frank Lenzen, Florian Becker, Jan Lellmann, Stefania Petra, Christoph Schnörr
2013	—	`conf`	B-SMART: Bregman-Based First-Order Algorithms for Non-negative Compressed Sensing Problems. SSVM Stefania Petra, Christoph Schnörr, Florian Becker, Frank Lenzen
2013	J	`jnl`	Critical Parameter Values and Reconstruction Properties of Discrete Tomography: Application to Experimental Fluid Dynamics. Fundam. Informaticae Stefania Petra, Christoph Schnörr, Andreas Schröder
2013	J	`jnl`	Phase Transitions and Cosparse Tomographic Recovery of Compound Solid Bodies from Few Projections. CoRR Andreea Denitiu, Stefania Petra, Claudius Schnörr, Christoph Schnörr
2012	J	`jnl`	A general extending and constraining procedure for linear iterative methods. Int. J. Comput. Math. Aurelian Nicola, Stefania Petra, Constantin Popa, Christoph Schnörr
2012	J	`jnl`	Average Case Recovery Analysis of Tomographic Compressive Sensing CoRR Stefania Petra, Christoph Schnörr
2012	J	`jnl`	Corrections to "Variational Adaptive Correlation Method for Flow Estimation". IEEE Trans. Image Process. Florian Becker, Bernhard Wieneke, Stefania Petra, Andreas Schröder, Christoph Schnörr
2012	J	`jnl`	Critical Parameter Values and Reconstruction Properties of Discrete Tomography: Application to Experimental Fluid Dynamics CoRR Stefania Petra, Christoph Schnörr, Andreas Schröder
2012	J	`jnl`	Variational Adaptive Correlation Method for Flow Estimation. IEEE Trans. Image Process. Florian Becker, Bernhard Wieneke, Stefania Petra, Andreas Schröder, Christoph Schnörr
2011	—	`conf`	Variational Image Denoising with Adaptive Constraint Sets. SSVM Frank Lenzen, Florian Becker, Jan Lellmann, Stefania Petra, Christoph Schnörr
2008	—	`conf`	On Sparsity Maximization in Tomographic Particle Image Reconstruction. DAGM-Symposium Stefania Petra, Andreas Schröder, Bernhard Wieneke, Christoph Schnörr
2007	J	`jnl`	Projected filter trust region methods for a semismooth least squares formulation of mixed complementarity problems. Optim. Methods Softw. Christian Kanzow, Stefania Petra
2004	J	`jnl`	On a semismooth least squares formulation of complementarity problems with gap reduction. Optim. Methods Softw. Christian Kanzow, Stefania Petra
2003	—	`conf`	Developing a computeized simulator for Endoscopic Ultarasound. CARS Stefania Petra, Alexandra Schaeffer, Albert Schaeffer, Sagi Nachum, Tal Guterman, Alex Shaharit, Ury Zhilinsky, Mira Barki