
Petra, Stefania Dr.; M.Sc.; B.Sc.Universität HeidelbergHeidelberg
Publikationsliste einschränken
Publikationsjahre
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Co-Autoren (Uni Heidelberg)
- Becker, Florian (4)
- Kappes, Jörg Hendrik (2)
- Swoboda, Paul (2)
- Deniţiu, Andreea (2)
- Plier, Jan (2)
- Kiefer, Lukas (2)
- Boll, Bastian (2)
- Schmitzer, Bernhard (1)
- Lenzen, Frank (1)
- Trajkovska, Vera (1)
- Hühnerbein, Ruben (1)
Co-Autoren (extern)
Publikationen in heiBIB 
- Boll, Bastian: Self-certifying classification by linearized deep assignment / Bastian Boll, Alexander Zeilmann, Stefania Petra, Christoph Schnörr. - Version v2, 18 Feb 2022. - 19 S.
In: Arxiv. (2022), Artikel-ID 2201.11162, Seite 1-19
DOI: 10.48550/arXiv.2201.11162
- Zeilmann, Alexander: Learning linearized assignment flows for image labeling / Alexander Zeilmann, Stefania Petra, Christoph Schnörr, 2 Aug 2021. - 26 S.
In: De.arxiv.org. (2021), Artikel-ID 2108.02571, Seite 1-26
DOI: 10.48550/arXiv.2108.02571
- Hühnerbein, Ruben: Learning adaptive regularization for image labeling using geometric assignment / Ruben Hühnerbein, Fabrizio Savarino, Stefania Petra, Christoph Schnörr, 2021. - 30 S.
In: Journal of mathematical imaging and vision, ISSN 1573-7683. 63(2021), 2, Seite 186-215
DOI: 10.1007/s10851-020-00977-2
- Zisler, Matthias: Unsupervised data labeling on graphs by self-assignment flows / Matthias Zisler, Artjom Zern, Bastian Boll, Stefania Petra, and Christoph Schnörr, 2021. - 2 S.
In: Proceedings in applied mathematics and mechanics, ISSN 1617-7061. 20(2021), 1, Artikel-ID e202000156, Seite 1-2
DOI: 10.1002/pamm.202000156
- Kiefer, Lukas: Multi-channel Potts-based reconstruction for multi-spectral computed tomography / Lukas Kiefer, Stefania Petra, Martin Storath and Andreas Weinmann, 1 March 2021. - ? S.
In: Inverse problems, ISSN 1361-6420. 37(2021), 4, Artikel-ID 045004, Seite ?
DOI: 10.1088/1361-6420/abdd45
- Zeilmann, Alexander: Geometric numerical integration of the assignment flow / Alexander Zeilmann, Fabrizio Savarino, Stefania Petra and Christoph Schnörr, 20 February 2020. - ? S.
In: Inverse problems, ISSN 1361-6420. 36(2020), 3, Artikel-ID 034003
DOI: 10.1088/1361-6420/ab2772
- Zisler, Matthias: Self-assignment flows for unsupervised data labeling on graphs / Matthias Zisler, Artjom Zern, Stefania Petra, and Christoph Schnörr, July 8, 2020. - 44 S.
In: SIAM journal on imaging sciences, ISSN 1936-4954. 13(2020), 3, Seite 1113-1156
DOI: 10.1137/19M1298639
- Zern, Artjom: Spatially Regularized Geometric Assignment for Unsupervised Label Learning on Manifolds / Artjom Zern, Matthias Zisler, Stefania Petra, and Christoph Schnörr, 18 November 2019. - 2 S.
In: Proceedings in applied mathematics and mechanics, ISSN 1617-7061. 19(2019,1) Artikel-Nummer e201900258, 2 Seiten
DOI: 10.1002/pamm.201900258
- Zeilmann, Alexander: Exponential integration of the linear assignment flow / Alexander Zeilmann, Fabrizio Savarino, Stefania Petra, and Christoph Schnörr, 04 September 2019. - 2 S.
In: Proceedings in applied mathematics and mechanics, ISSN 1617-7061. 19(2019,1) Artikel-Nummer e201900434, 2 Seiten
DOI: 10.1002/pamm.201900434
- Zern, Artjom: Unsupervised assignment flow : label learning on feature manifolds by spatially regularized geometric assignment / Artjom Zern, Matthias Zisler, Stefania Petra, Christoph Schnörr, 2020. - 25 S.
In: Journal of mathematical imaging and vision, ISSN 1573-7683. 62(2020), 6, Seite 982-1006
DOI: 10.1007/s10851-019-00935-7
- Plier, Jan: Performance bounds for co-/sparse box constrained signal recovery / Jan Kuske and Stefania Petra, 02 Mar 2019. - 28 S.
In: Analele științifice ale Universității Ovidius Constanța, ISSN 1844-0835. 27(2019), 1, Seite 79-106
DOI: 10.2478/auom-2019-0005
- Gibali, Aviv: DC-programming versus l0-superiorization for discrete tomography / Aviv Gibali and Stefania Petra, 2018. - 30 S.
In: Analele științifice ale Universității Ovidius Constanța, ISSN 1844-0835. 26(2018), 2, Seite 105-134
- Trajkovska, Vera: Graphical model parameter learning by inverse linear programming / Vera Trajkovska, Paul Swoboda, Freddie Åström, Stefania Petra. - 12 S.
In: Scale Space and Variational Methods in Computer Vision. (2017), S. 323-334
DOI: 10.1007/978-3-319-58771-4_26
- Kiefer, Lukas: Performance bounds for cosparse multichannel signal recovery via collaborative-TV / Lukas Kiefer, Stefania Petra. - 13 S.
In: Scale Space and Variational Methods in Computer Vision. (2017), S. 295-307
DOI: 10.1007/978-3-319-58771-4_24
- Zisler, Matthias: Image reconstruction by multilabel propagation / Matthias Zisler, Freddie Åström, Stefania Petra, Christoph Schnörr. - 13 S.
In: Scale Space and Variational Methods in Computer Vision. (2017), S. 247-259
DOI: 10.1007/978-3-319-58771-4_20
- Plier, Jan: A novel convex relaxation for non-binary discrete tomography / Jan Kuske, Paul Swoboda, Stefania Petra, 18 May 2017. - 12 S.
In: Scale Space and Variational Methods in Computer Vision. (2017), Seite 235-246
DOI: 10.1007/978-3-319-58771-4_19
- Zisler, Matthias: Gradient flows on a Riemannian submanifold for discrete tomography / Matthias Zisler, Fabrizio Savarino, Stefania Petra, Christoph Schnörr, 15 August 2017. - 12 S.
In: Pattern Recognition. (2017), Seite 294-305
DOI: 10.1007/978-3-319-66709-6_24
- Bodnariuc, Ecaterina: A local spatio-temporal approach to plane wave ultrasound particle image velocimetry / Ecaterina Bodnariuc, Stefania Petra, Christoph Schnörr, Jason Voorneveld, 15 August 2017. - 12 S.
In: Pattern Recognition. (2017), Seite 138-149
DOI: 10.1007/978-3-319-66709-6_12
- Petra, Stefania: Erratum to single projection Kaczmarz extended algorithms / Stefania Petra, Constantin Popa. - 6 S.
In: Numerical algorithms, ISSN 1572-9265. 76(2017), 2, S. 599-604
DOI: 10.1007/s11075-017-0390-1
- Åström, Freddie: Image labeling by assignment / Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr. - 28 S.
In: Journal of mathematical imaging and vision, ISSN 1573-7683. 58(2017), 2, S. 211-238
DOI: 10.1007/s10851-016-0702-4
- Åström, Freddie: The assignment manifold : a smooth model for image labeling / F. Åström, S. Petra, B. Schmitzer, C. Schnörr. - 9 S.
In: 29th IEEE Conference on Computer Vision and Pattern Recognition Workshops. (2016), S. 963-971
DOI: 10.1109/CVPRW.2016.124
- Zisler, Matthias: Non-binary discrete tomography by continuous non-convex optimization / M. Zisler, J.H. Kappes, C. Schnörr, S. Petra, C. Schnörr. - 13 S.
In: IEEE transactions on computational imaging, ISSN 2333-9403. 2(2016), 3, S. 335-347
DOI: 10.1109/TCI.2016.2563321
- Petra, Stefania: Single projection Kaczmarz extended algorithms / Stefania Petra, Constantin Popa. - 16 S.
In: Numerical algorithms, ISSN 1572-9265. 73(2016), 3, S. 791-806
DOI: 10.1007/s11075-016-0118-7
- Zisler, Matthias: Discrete tomography by continuous multilabeling subject to projection constraints / Matthias Zisler, Stefania Petra, Claudius Schnörr, Christoph Schnörr. - 12 S.
In: Pattern Recognition. (2016), S. 261-272
DOI: 10.1007/978-3-319-45886-1_21
- Bodnariuc, Ecaterina: Parametric dictionary-based velocimetry for echo PIV / Ecaterina Bodnariuc, Stefania Petra, Christian Poelma, Christoph Schnörr. - 12 S.
In: Pattern Recognition. (2016), S. 332-343
DOI: 10.1007/978-3-319-45886-1_27
- Bodnariuc, Ecaterina: Plane wave acoustic superposition for fast ultrasound imaging / E. Bodnariuc, M. Schiffner, S. Petra, C. Schnörr. - 4 S.
In: 2016 IEEE International Ultrasonics Symposium (IUS). (2016), S. ?
DOI: 10.1109/ULTSYM.2016.7728894
- Åström, Freddie: A geometric approach to image labeling / Freddie Åström, Stefania Petra, Bernhard Schmitzer, Christoph Schnörr. - 16 S.
In: Computer Vision – ECCV 2016. (2016), S. 139-154
DOI: 10.1007/978-3-319-46454-1_9
- Bodnariuc, Ecaterina: Adaptive dictionary-based spatio-temporal flow estimation for echo piv / Ecaterina Bodnariuc, Arati Gurung, Stefania Petra, Christoph Schnörr. - 14 S.
In: Energy minimization methods in computer vision and pattern recognition. (2015), S. 378-391
DOI: 10.1007/978-3-319-14612-6_28
- Becker, Florian: Optical flow / Florian Becker, Stefania Petra, Christoph Schnörr. - 60 S.
In: Handbook of Mathematical Methods in Imaging. (2015), S. 1945-2004
DOI: 10.1007/978-1-4939-0790-8_38
- Petra, Stefania: Randomized sparse block Kaczmarz as randomized dual block-coordinate descent / Stefania Petra, 2015. - 22 S.
In: Analele științifice ale Universității Ovidius Constanța, ISSN 1844-0835. 23(2015), 3, Seite 129-150
DOI: 10.1515/auom-2015-0052
- Kappes, Jörg Hendrik: TomoGC : binary tomography by constrained GraphCuts / Jörg Hendrik Kappes, Stefania Petra, Christoph Schnörr, Matthias Zisler. - 12 S.
In: Pattern Recognition. (2015), S. 262-273
DOI: 10.1007/978-3-319-24947-6_21
- Deniţiu, Andreea: An entropic perturbation approach to TV-minimization for limited-data tomography / Andreea Deniţiu, Stefania Petra, Claudius Schnörr, Christoph Schnörr, 2014. - 13 S.
In: Discrete Geometry for Computer Imagery. (2014), Seite 262-274
DOI: 10.1007/978-3-319-09955-2_22
- Petra, Stefania: Average case recovery analysis of tomographic compressive sensing / Stefania Petra ; Christoph Schnörr. - 31 S.
In: Linear algebra and its applications, ISSN 0024-3795. 441(2014), S. 168-198
DOI: 10.1016/j.laa.2013.06.034
- Deniţiu, Andreea: Phase transitions and cosparse tomographic recovery of compound solid bodies from few projections / Andreea Deniţiu ; Stefania Petra ; Claudius Schnörr ; Christoph Schnörr. - 30 S.
In: Fundamenta informaticae, ISSN 1875-8681. 135(2014), 1-2, S. 73-102
DOI: 10.3233/FI-2014-1113
- Petra, Stefania: Critical parameter values and reconstruction properties of discrete tomography : application to experimental fluid dynamics / Stefania Petra ; Christoph Schnörr ; Andreas Schröder. - 28 S.
In: Fundamenta informaticae, ISSN 1875-8681. 125(2013), 3/4, S. 285-312
DOI: 10.3233/FI-2013-865
- Lenzen, Frank: A class of quasi-variational inequalities for adaptive image denoising and decomposition / Frank Lenzen ; Florian Becker ; Jan Lellmann ; Stefania Petra ; Christoph Schnörr. - 28 S.
In: Computational optimization and applications, ISSN 1573-2894. 54(2013), 2, S. 371-398
DOI: 10.1007/s10589-012-9456-0
- Becker, Florian: Corrections to "Variational adaptive correlation method for flow estimation" [Jun 12 3053-3065] / Florian Becker, Bernhard Wieneke, Stefania Petra, Andreas Schröder, and Christoph Schnörr. - 2 S.
In: IEEE transactions on image processing, ISSN 1941-0042. 21(2012), 8, S. 3813-3814
DOI: 10.1109/TIP.2012.2204934
- Nicola, Aurelian: A general extending and constraining procedure for linear iterative methods / Aurelian Nicola, Stefania Petra, Constantin Popa and Christoph Schnörr. - 24 S.
In: International journal of computer mathematics, ISSN 1029-0265. 89(2012), 2, S. 231-253
DOI: 10.1080/00207160.2011.634002
- Petra, Stefania: Critical parameter values and reconstruction properties of discrete tomography : application to experimental fluid dynamics / Stefania Petra ; Christoph Schnörr ; Andreas Schröder. - 22 S.
In: Arxiv. (2012), S. ?
- Becker, Florian: Variational adaptive correlation method for flow estimation / Florian Becker; Bernhard Wieneke; Stefania Petra; Andreas Schröder; Christoph Schnörr, 2012. - 13 S.
In: IEEE transactions on image processing, ISSN 1941-0042. 21(2012), 6, Seite 3053-3065
DOI: 10.1109/TIP.2011.2181524
- Petra, Stefania: On sparsity maximization in tomographic particle image reconstruction / Stefania Petra, Andreas Schröder, Bernhard Wieneke, Christoph Schnörr, 2008. - 10 S.
In: Pattern recognition. (2008), Seite 294-303
DOI: 10.1007/978-3-540-69321-5_30
- Kanzow, Christian: Projected filter trust region methods for a semismooth least squares formulation of mixed complementarity problems / Christian Kanzow, Stefania Petra. - 23 S.
In: Optimization methods & software, ISSN 1029-4937. 22(2007), 5, S. 713-735
DOI: 10.1080/10556780701296455
- Kanzow, Christian: On a semismooth least squares formulation of complementarity problems with gap reduction / Christian Kanzow, Stefania Petra, 04 Feb 2008. - 19 S.
In: Optimization methods & software, ISSN 1029-4937. 19(2004), 5, Seite 507-525
DOI: 10.1080/10556780410001683096
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