Otmar Scherzer
Univ. Prof. Dr.

Otmar Scherzer
Univ. Prof. Dr.
- Group Leader
- Inverse Problems and Mathematical Imaging
- +43 1 4277 55770
- otmar.scherzer(at)assoc.oeaw.ac.at
Biographical sketch
- born on June 10, 1964 in Austria
- 1990: Doctorate of Technical Sciences
- 03-09/1997: Assistant professor at the University of Linz
- 1995: Venia docendi for Mathematics
- 09/1995-08/1996: Erwin-Schrödinger-Scholarships to visit Texas A&M University and the University of Delaware
Former and Current Positions
- 10/1997-8/1999: Associate Professor at the University of Linz
- 10/1999-07/2000: C4 University Professor at the LMU in Munich - replacement "Applied Mathematics"
- 10/2000-09/2001: C3 University Professor at the University of Bayreuth for Applied Mathematics"
- 2001-2009: University Professor at the University of Innsbruck
- Summer 2004: Distiguished Chair UBC (Vancouver)
- since 2009: University Professor at the University of Vienna
Publications
Computational inverse scattering with internal sources: A reproducing kernel Hilbert space approach
Computational inverse scattering with internal sources: A reproducing kernel Hilbert space approach. / Dong, Yakun; Sadiq, Kamran; Scherzer, Otmar et al.
in: Physical Review E, Jahrgang 110, Nr. 6, 11.12.2024, S. ARTN 065302.Uncertainty-aware blob detection with an application to integrated-light stellar population recoveries
Uncertainty-aware blob detection with an application to integrated-light stellar population recoveries. / Parzer, Fabian; Jethwa, Prashin; Boecker, Alina et al.
in: Astronomy and Astrophysics, Jahrgang 674, 01.06.2023, S. ARTN A59.Quantitative inverse problem in visco-acoustic media under attenuation model uncertainty
Quantitative inverse problem in visco-acoustic media under attenuation model uncertainty. / Faucher, Florian; Scherzer, Otmar.
in: Journal of Computational Physics, Jahrgang 472, 01.01.2023, S. ARTN 111685.Quantitative Optical Coherence Elastography: A novel Intensity-based Inversion Method versus Strain-based Reconstructions
Quantitative Optical Coherence Elastography: A novel Intensity-based Inversion Method versus Strain-based Reconstructions. / Krainz, Lisa; Sherina, Ekaterina; Hubmer, Simon et al.
in: Inverse Problems, Jahrgang 29, Nr. 4, 28.11.2022, S. 1-16.Fourier reconstruction for diffraction tomography of an object rotated into arbitrary orientations
Fourier reconstruction for diffraction tomography of an object rotated into arbitrary orientations. / Kirisits, Clemens; Quellmalz, Michael; Ritsch-Marte, Monika et al.
in: Inverse Problems, Jahrgang 37, Nr. 11, 15.11.2021, S. ARTN 115002.Convergence Rates of First- and Higher-Order Dynamics for Solving Linear Ill-Posed Problems
Convergence Rates of First- and Higher-Order Dynamics for Solving Linear Ill-Posed Problems. / Bot, Radu; Dong, Guozhi; Elbau, Peter et al.
in: Foundations of Computational Mathematics, 17.08.2021.A workflow for sizing oligomeric biomolecules based on cryo single molecule localization microscopy
A workflow for sizing oligomeric biomolecules based on cryo single molecule localization microscopy. / Schneider, Magdalena; Telschow, Roger; Mercier, Gwenael et al.
in: PLoS ONE, Jahrgang 1, Nr. 16, 20.01.2021, S. 23.Displacement field estimation from OCT images utilizing speckle information with applications in quantitative elastography
Displacement field estimation from OCT images utilizing speckle information with applications in quantitative elastography. / Sherina, E; Krainz, L; Hubmer, S et al.
in: Inverse Problems, Jahrgang 36, Nr. 12, 03.12.2020, S. 124003.Adjoint-state method for Hybridizable Discontinuous Galerkin discretization, application to the inverse acoustic wave problem
Adjoint-state method for Hybridizable Discontinuous Galerkin discretization, application to the inverse acoustic wave problem. / Faucher, Florian; Scherzer, Otmar.
in: Computer Methods in Applied Mechanics and Engineering, Jahrgang 372, 01.12.2020, S. 113406.Reciprocity-gap misfit functional for Distributed Acoustic Sensing, combining data from passive and active sources
Reciprocity-gap misfit functional for Distributed Acoustic Sensing, combining data from passive and active sources. / Faucher, Florian; Maarten, V; de Hoop et al.
in: Geophysics, Jahrgang 0 (ahead of print), 24.11.2020, S. 1-59.Asymptotic Expansions for Higher Order Elliptic Equations with an Application to Quantitative Photoacoustic Tomography
Asymptotic Expansions for Higher Order Elliptic Equations with an Application to Quantitative Photoacoustic Tomography. / Aspri, Andrea; Beretta, Elena; Scherzer, Otmar et al.
in: SIAM Journal on Imaging Sciences, Jahrgang 13, Nr. 4, 22.10.2020, S. 1781-1833.Critical yield numbers and limiting yield surfaces of particle arrays settling in a Bingham fluid
Critical yield numbers and limiting yield surfaces of particle arrays settling in a Bingham fluid. / José, A; Mercier, Gwenael; Scherzer, Otmar.
in: Applied Mathematics and Optimization, Jahrgang 1, 01.09.2020, S. 1-29.Eigenvector models for solving the seismic inverse problem for the Helmholtz equation
Eigenvector models for solving the seismic inverse problem for the Helmholtz equation. / Faucher, Florian; Scherzer, Otmar; Barucq, Helene.
in: Geophysical Journal International, Jahrgang 221, Nr. 1, 15.04.2020, S. 394-414.Preconditioning inverse problems for hyperbolic equations with applications to photoacoustic tomography
Preconditioning inverse problems for hyperbolic equations with applications to photoacoustic tomography. / Beigl, Alexander; Scherzer, Otmar; Sogn, Jarle et al.
in: Inverse Problems, Jahrgang 36, Nr. 5, 03.12.2019, S. 19.Regularization with Metric Double Integrals of Functions with Values in a Set of Vectors
Regularization with Metric Double Integrals of Functions with Values in a Set of Vectors. / Ciak, Rene; Melching, Melanie; Scherzer, Otmar.
in: Journal of Mathematical Imaging and Vision, Jahrgang 61, Nr. 6, 15.07.2019, S. 824-848.Shape-Aware Matching of Implicit Surfaces Based on Thin Shell Energies
Shape-Aware Matching of Implicit Surfaces Based on Thin Shell Energies. / José, A; Rumpf, Martin; Scherzer, Otmar.
in: Foundations of Computational Mathematics, Jahrgang 18, Nr. 4, 30.07.2018, S. 891-927.Lamé Parameter Estimation from Static Displacement Field Measurements in the Framework of Nonlinear Inverse Problems
Lamé Parameter Estimation from Static Displacement Field Measurements in the Framework of Nonlinear Inverse Problems. / Hubmer, Simon; Sherina, Ekaterina; Neubauer, Andreas et al.
in: SIAM Journal on Imaging Sciences, Jahrgang 11, Nr. 2, 15.06.2018, S. 1268-1293.A note on convergence of solutions of total variation regularized linear inverse problems
A note on convergence of solutions of total variation regularized linear inverse problems. / José, A; Mercier, Gwenael; Scherzer, Otmar.
in: Inverse Problems, Jahrgang 34, Nr. 5, 19.04.2018, S. 055011.The inverse scattering problem for orthotropic media in polarization-sensitive optical coherence tomography
The inverse scattering problem for orthotropic media in polarization-sensitive optical coherence tomography. / Elbau, P; Mindrinos, L; Scherzer, O.
in: International Journal on Geomathematics, Jahrgang 9, Nr. 1, 15.04.2018, S. 145-165.Quantitative reconstructions in multi-modal photoacoustic and optical coherence tomography imaging
Quantitative reconstructions in multi-modal photoacoustic and optical coherence tomography imaging. / Elbau, P; Mindrinos, L; Scherzer, O.
in: Inverse Problems, Jahrgang 34, Nr. 1, 15.01.2018, S. ARTN 014006.Critical yield numbers of rigid particles settling in Bingham fluids and Cheeger sets
Critical yield numbers of rigid particles settling in Bingham fluids and Cheeger sets. / Ian, A; José, A; Mercier, Gwenael et al.
in: SIAM Journal on Applied Mathematics, Jahrgang 77, Nr. 2, 20.04.2017, S. 638–663.Convergence of Tikhonov regularization for solving ill-posed operator equations with solutions defined on surfaces.
Convergence of Tikhonov regularization for solving ill-posed operator equations with solutions defined on surfaces. / Dong, Guozhi; Jüttler, Bert; Scherzer, Otmar et al.
in: Inverse Problems and Imaging, Jahrgang 11, Nr. 2, 15.04.2017, S. 221-246.Photoacoustic Tomography With Spatially Varying Compressibility and Density
Photoacoustic Tomography With Spatially Varying Compressibility and Density. / Belhachmi, Zakaria; Glatz, Thomas; Scherzer, Otmar.
in: Journal of Inverse and Ill-Posed Problems, Jahrgang 25, Nr. 1, 15.02.2017, S. 119-133.Inverse boundary value problem for the Helmholtz equation: quantitative conditional Lipschitz stability estimates
Inverse boundary value problem for the Helmholtz equation: quantitative conditional Lipschitz stability estimates. / Beretta, Elena; Maarten, V; de Hoop et al.
in: SIAM Journal on Mathematical Analysis, Jahrgang 48, Nr. 6, 15.06.2016, S. 3962-3983.Optimal Convergence Rates Results for Linear Inverse Problems in Hilbert Spaces
Optimal Convergence Rates Results for Linear Inverse Problems in Hilbert Spaces. / Albani, V; Elbau, P; de Hoop et al.
in: Numerical Functional Analysis and Optimization, Jahrgang 37, Nr. 5, 15.06.2016, S. 521-540.Nonequispaced grid sampling in photoacoustics with a nonuniform fast Fourier transform
Nonequispaced grid sampling in photoacoustics with a nonuniform fast Fourier transform. / Schmid, Julian; Glatz, Thomas; Zabihian, Behrooz et al.
in: Journal of Biomedical Optics, Jahrgang 21, Nr. 1, 15.01.2016, S. ARTN 015005.A PENALIZATION METHOD FOR CALCULATING THE FLOW BENEATH TRAVELING WATER WAVES OF LARGE AMPLITUDE
A PENALIZATION METHOD FOR CALCULATING THE FLOW BENEATH TRAVELING WATER WAVES OF LARGE AMPLITUDE. / Constantin, A; Kalimeris, K; Scherzer, O.
in: SIAM Journal on Applied Mathematics, Jahrgang 75, Nr. 4, 15.06.2015, S. 1513-1535.An analysis of a multi-level projected steepest descent iteration for nonlinear inverse problems in Banach spaces subject to stability constraints
An analysis of a multi-level projected steepest descent iteration for nonlinear inverse problems in Banach spaces subject to stability constraints. / Scherzer, O; Qiu, L; de Hoop, M.
in: Numerische Mathematik, Jahrgang 129, Nr. 1, 15.01.2015, S. 127-148.Photoacoustic imaging in attenuating acoustic media based on strongly causal models
Photoacoustic imaging in attenuating acoustic media based on strongly causal models. / Kalimeris, K; Scherzer, O.
in: Mathematical Methods in the Applied Sciences, Jahrgang 36, Nr. 16, 15.11.2013, S. 2254–2264.An approach to the minimization of the Mumford-Shah functional using Γ-convergence and topological asymptotic expansion
An approach to the minimization of the Mumford-Shah functional using Γ-convergence and topological asymptotic expansion. / Grasmair, M; Muszkieta, M; Scherzer, O.
in: Interfaces and Free Boundaries, Jahrgang 15, Nr. 2, 15.06.2013, S. 141-166.The Levenberg–Marquardt iteration for numerical inversion of the power density operator
The Levenberg–Marquardt iteration for numerical inversion of the power density operator. / Bal, G; Naetar, W; Scherzer, O et al.
in: Journal of Inverse and Ill-Posed Problems, Jahrgang 21, Nr. 2, 15.04.2013, S. 265-280.Simultaneous Reconstructions of Absorption Density and Wave Speed with Photoacoustic Measurements
Simultaneous Reconstructions of Absorption Density and Wave Speed with Photoacoustic Measurements. / Kirsch, A; Scherzer, O.
in: SIAM Journal on Applied Mathematics, Jahrgang 72, Nr. 5, 15.06.2012, S. 1508-1523.Convex regularization of local volatility models from option prices: Convergence analysis and rates
Convex regularization of local volatility models from option prices: Convergence analysis and rates. / Cezaro, A De; Scherzer, O; Zubelli, J.P.
in: Nonlinear Analysis, Theory, Methods and Applications, Jahrgang 75, 19.03.2012, S. 2398-2415.On the use of frequency-domain reconstruction algorithms for photoacoustic imaging
On the use of frequency-domain reconstruction algorithms for photoacoustic imaging. / Rainer, J; Scherzer, Otmar; Zangerl, Gerhard et al.
in: Journal of Biomedical Optics, Jahrgang 16, Nr. 8, 01.08.2011, S. 086002.Necessary and Sufficient Conditions for Linear Convergence of l1-Regularization
Necessary and Sufficient Conditions for Linear Convergence of l1-Regularization. / Grasmair, Markus; Scherzer, Otmar; Haltmeier, Markus.
in: Communications on Pure and Applied Mathematics, Jahrgang 64, Nr. 2, 15.02.2011, S. 161-182.Exact reconstruction in photoacoustic tomography with circular integrating detectors II: Spherical geometry
Exact reconstruction in photoacoustic tomography with circular integrating detectors II: Spherical geometry. / Zangerl, G; Scherzer, Otmar.
in: Mathematical Methods in the Applied Sciences, Jahrgang 33, Nr. 15, 31.10.2010, S. 1771-1782.Regularization of ill-posed linear equations by the non-stationary augmented {L}agrangian method
Regularization of ill-posed linear equations by the non-stationary augmented {L}agrangian method. / Frick, K; Scherzer, Otmar.
in: Journal of Integral Equations and Applications, Jahrgang 22, Nr. 2, 31.07.2010, S. 217-257.The {CMA-ES} on Riemannian Manifolds to Reconstruct Shapes in {3-D} Voxel Images
The {CMA-ES} on Riemannian Manifolds to Reconstruct Shapes in {3-D} Voxel Images. / Colutto, S; Frühauf, F; Fuchs, M et al.
in: IEEE Transactions on Evolutionary Computation, Jahrgang 14, Nr. 2, 31.07.2010, S. 227-245.A Reconstruction Algorithm for Photoacoustic Imaging Based on the Nonuniform FFT
A Reconstruction Algorithm for Photoacoustic Imaging Based on the Nonuniform FFT. / Haltmeier, Markus; Scherzer, Otmar; Zangerl, Gerhard.
in: IEEE Transactions on Medical Imaging, Jahrgang 28, Nr. 11, 15.11.2009, S. 1727-1735.Exact series reconstruction in photoacoustic tomography with circular integrating detectors
Exact series reconstruction in photoacoustic tomography with circular integrating detectors. / Zangerl, Gerhard; Scherzer, Otmar; Haltmeier, Markus.
in: Communications in Mathematical Sciences, Jahrgang 7, Nr. 3, 15.09.2009, S. 665-678.Experiments and algorithms to detect snow avalanche victims using airborne ground-penetrating radar
Experiments and algorithms to detect snow avalanche victims using airborne ground-penetrating radar. / Scherzer, Otmar; Fellin, Wolfgang; Frühauf, Florian et al.
in: IEEE Transactions on Geoscience and Remote Sensing, Jahrgang 47, Nr. 7, 15.07.2009, S. 2240 - 2251.On Steepest-Descent-Kaczmarz Methods for Regularizing Systems of Nonlinear Ill-posed Equations
On Steepest-Descent-Kaczmarz Methods for Regularizing Systems of Nonlinear Ill-posed Equations. / DeCesaro, A; Leitao, A; Haltmeier, M et al.
in: Applied Mathematics and Computation, Jahrgang 202, Nr. 2, 15.06.2009, S. 596-607.The Levenberg-Marquardt iteration for numerical inversion of the power density operator
The Levenberg-Marquardt iteration for numerical inversion of the power density operator. / with, G; Bal, W; Naetar, J et al.
in: Journal of Inverse and Ill-Posed Problems, Jahrgang 21, 15.06.2013, S. 265-280.Shape spaces via medial axis transforms for segmentation of complex geometry in 3D voxel data
Shape spaces via medial axis transforms for segmentation of complex geometry in 3D voxel data. / with, J; Abhau, O; Aichholzer, S et al.
in: Inverse Problems and Imaging, Jahrgang 7, Nr. 1, 15.02.2013, S. 1-25.
The Tangential Cone Condition for Some Coefficient Identification Model Problems in Parabolic PDEs
The Tangential Cone Condition for Some Coefficient Identification Model Problems in Parabolic PDEs. / Kaltenbacher, Barbara; Nguyen, Tram Thi Ngoc; Scherzer, Otmar.
Springer Nature Switzerland AG, 2021. 121 S. (Time-dependent Problems in Imaging and Parameter Identification).Inverse Problems of single molecule localization microscopy
Inverse Problems of single molecule localization microscopy. / Lopez-Martinez, Montse; Mercier, Gwenael; Sadiq, Kamran et al.
Springer Nature Switzerland AG, 2021. 292 S. (Time-dependent Problems in Imaging and Parameter Identification).
Preservation of Piecewise Constancy under TV Regularization with Rectilinear Anisotropy
Preservation of Piecewise Constancy under TV Regularization with Rectilinear Anisotropy. / Kirisits, Clemens; Scherzer, Otmar; Setterqvist, Eric et al.
Scale Space and Variational Methods in Computer Vision, SSVM 2019. Springer, 2019. S. 510-521 (Lecture Notes in Computer Science, vol. 11603).Visual Attention in Edited Dynamical Images
Visual Attention in Edited Dynamical Images. / Ansorge, U; Buchinger, S; Valuch, C et al.
11th International Conference on Signal Processing and Multimedia Applications (SIGMAP-2014). 2014. S. 198-205 (Proceedings of the 11th International Conference on Signal Processing and Multimedia Applications).Regularization of Ill-posed Linear Equations by the Non-stationary Augmented Lagrangian Method
Regularization of Ill-posed Linear Equations by the Non-stationary Augmented Lagrangian Method. / Scherzer, O; Keller, A (Herausgeber:in); Kuo, F (Herausgeber:in) et al.
Dagstuhl Seminar 12391. Dagstuhl, Germany: Schloss Dagstuhl: Leibniz-Zentrum fuer Informatik, 2013. S. 219.Optical Flow on Evolving Surfaces with an Application to the Analysis of 4D Microscopy Data
Optical Flow on Evolving Surfaces with an Application to the Analysis of 4D Microscopy Data. / Kirisits, C; Lang, L.F; Scherzer, O et al.
Proceedings of the fourth International Conference on Scale Space and Variational Methods in Computer Vision. Band 5 2. Aufl. Berlin, Heidelberg: Springer-Verlag, 2013. S. 246-257 (Lecture Notes in Computer Science 7893).Scale and Edge Detection with Topological Derivatives of the Mumford-Shah Functional
Scale and Edge Detection with Topological Derivatives of the Mumford-Shah Functional. / Dong, G; Kang, S.H; Grasmair, M et al.
Proceedings of the fourth International Conference on Scale Space and Variational Methods in Computer Vision. Band 5 2. Aufl. Berlin, Heidelberg: Springer-Verlag, 2013. S. 404-415 (Lecture Notes in Computer Science 7893).Texture Enhancing Based on Variational Image Decomposition
Texture Enhancing Based on Variational Image Decomposition. / Frühauf, Florian; Pontow, Carsten; Scherzer, Otmar et al.
Mathematical Image Processing. Berlin Heidelberg: Springer, 2011. S. 127-140 (Springer Proceedings in Mathematics).
Analytical Evaluations of Double Integral Expressions Related to Total Variation.
Analytical Evaluations of Double Integral Expressions Related to Total Variation. / Pontow, C; Scherzer, O; Langer, U (Herausgeber:in) et al.
Numerical and Symbolic Scientific Computing: Progress and Prospects. New York: Springer, 2012. (Numerical and Symbolic Scientific Computing: Progress and Prospects, Texts and Monograph).Photoacoustic Imaging Taking into Account Attenuation
Photoacoustic Imaging Taking into Account Attenuation. / Kowar, R; Scherzer, O; Ammari, Habib (Herausgeber:in).
Mathematical Modeling in Biomedical Imaging II: Optical, Ultrasound, and Opto-Acoustic Tomographies. New York: Springer, 2012. (Lecture Notes in Mathematics, Mathematical Biosciences Subseries).Challenges for Optical Flow Estimates in Elastography
Challenges for Optical Flow Estimates in Elastography. / Sherina, Ekaterina; Krainz, Lisa; Hubmer, Simon et al.
Eighth International Conference on Scale Space and Variational Methods in Computer Vision. Cham: Springer International Publishing, 2021. S. 128-139 (Lecture Notes in Computer Science).Convergence Rates of First and Higher Order Dynamics for Solving Linear Inverse Problems
Convergence Rates of First and Higher Order Dynamics for Solving Linear Inverse Problems. / Burger, Martin (Herausgeber:in); Hahn, Bernadette (Herausgeber:in); Quinto, Eric Todd (Herausgeber:in) et al.
Tomographic Inverse Problems: Theory and Applications. EMS Publishing House, 2019. (Oberwolfach Rep. 16).
Inverse Problems on Large Scales: Mathematical Modelling and Computational Methods
Inverse Problems on Large Scales: Mathematical Modelling and Computational Methods. / Mejri, Bochra (Herausgeber:in); Scherzer, Otmar (Herausgeber:in); Ramlau, Ronny (Herausgeber:in).
Berlin/Boston: de Gruyter, 2024. (Radon Series on Computational and Applied Mathematics).