858 citations
- University of ViennaAT44 papers
- Vienna Center for Quantum Science and TechnologyAT19 papers
- TU WienAT18 papers
- Medical University of ViennaAT7 papers
- Centre National de la Recherche ScientifiqueFR6 papers
- Austrian Academy of SciencesAT5 papers
- Graz University of TechnologyAT5 papers
- Johann Radon Institute for Computational and Applied MathematicsAT5 papers
- Universität für Weiterbildung KremsAT5 papers
- University of StuttgartDE5 papers
- Center for Integrated Quantum Science and TechnologyDE4 papers
- Institute for Quantum Optics and Quantum Information InnsbruckAT4 papers
5 papers · 1 filter
Vertex characterization via second-order topological derivatives
Peter Gangl, Bochra Mejri, Otmar Scherzer
This paper focuses on identifying vertex characteristics in 2D images using topological asymptotic analysis. Vertex characteristics include both the location and the type of the ve…
Generalized Fourier Diffraction Theorem and Filtered Backpropagation for Tomographic Reconstruction
Clemens Kirisits, Michael Quellmalz, Eric Setterqvist
This paper concerns diffraction-tomographic reconstruction of an object characterized by its scattering potential. We establish a rigorous generalization of the Fourier diffraction…
Motion Detection in Diffraction Tomography by Common Circle Methods
Michael Quellmalz, Peter Elbau, Otmar Scherzer +1
The method of common lines is a well-established reconstruction technique in cryogenic electron microscopy (cryo-EM), which can be used to extract the relative orientations of an o…
Diffraction Tomography, Fourier Reconstruction, and Full Waveform Inversion
Florian Faucher, Clemens Kirisits, Michael Quellmalz +2
In this paper, we study the mathematical imaging problem of diffraction tomography (DT), which is an inverse scattering technique used to find material properties of an object by i…
On convergence rates of adaptive ensemble Kalman inversion for linear ill-posed problems
Fabian Parzer, Otmar Scherzer
In this paper we discuss a deterministic form of ensemble Kalman inversion as a regularization method for linear inverse problems. By interpreting ensemble Kalman inversion as a lo…