Kontakt
Email: Ronny.Ramlau(at)oeaw.ac.at
Telefon: +43 732 2468 4101
Veröffentlichungen
Beitrag in Fachzeitschrift (115)
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Rannetbauer, Wolfgang; Hambrock, Carina; Hubmer, Simon; Ramlau, Ronny (2024) Enhancing Predictive Quality in HVOF Coating Technology: A Comparative Analysis of Machine Learning Techniques. Procedia Computer Science, Bd. 232, S. 1377-1387.DOI RIS ENW BIB
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Hubmer, Simon; Sherina, Ekaterina; Ramlau, Ronny; Pircher, Michael; Leitgeb, Rainer (2023) Subaperture-Based Digital Aberration Correction for Optical Coherence Tomography: A Novel Mathematical Approach. SIAM Journal on Imaging Sciences, Bd. 16 (4), S. 1857-1885.DOI RIS ENW BIB
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Hubmer, Simon; Sherina, Ekaterina; Ramlau, Ronny (2023) Characterizations of adjoint Sobolev embedding operators with applications in inverse problems. Electronic Transaction on Numerical Mathematics, Bd. 59, S. 116-144.DOI RIS ENW BIB
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Hubmer, Simon; Sherina, Ekaterina; Ramlau, Ronny (2023) Characterizations of Adjoint Sobolev Embedding Operators with Applications in Inverse Problems. Electronic Transactions on Numerical Analysis, Bd. 116--144, S. 116--144.DOI RIS ENW BIB
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Hinterer, Fabian; Schneider, Magdalena C.; Hubmer, Simon; Lopez-Martinez, Montserrat; Ramlau, Ronny et al. [..] (2023) Localization of fixed dipoles at high precision by accounting for sample drift during illumination. Applied Physics Letters, Bd. 123 (2), S. 023703.DOI RIS ENW BIB
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Wagner, Roland; Niebsch, Jenny; Ramlau, Ronny (2023) Off-axis point spread function reconstruction for single conjugate adaptive optics. J OPT SOC AM A, Bd. 40 (7), S. 1382-1391.DOI RIS ENW BIB
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Meingast, Stefan; Alves, Joao; Bouy, Herve; Petr-Gotzens, Monika G.; Fuernkranz, Verena et al. [..] (2023) VISIONS: the VISTA Star Formation Atlas I. Survey overview. ASTRON ASTROPHYS, Bd. 673, S. ARTN A58.DOI RIS ENW BIB
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Hinterer, Fabian; Hubmer, Simon; Jethwa, Prashin; Soodhalter, Kirk M.; van de Ven, Glenn et al. [..] (2023) A Projected Nesterov–Kaczmarz Approach to Stellar Population-Kinematic Distribution Reconstruction in Extragalactic Archaeology. SIAM Journal on Imaging Sciences, Bd. 16 (1), S. 192--222.DOI RIS ENW BIB
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Alqahtani, A.; Ramlau, R.; Reichel, L. (2023) Error estimates for Golub-Kahan bidiagonalization with Tikhonov regularization for ill-posed operator equations. INVERSE PROBL, Bd. 39 (2), S. ARTN 025002.DOI RIS ENW BIB
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Jenny Niebsch, Werner v. Bloh, Kirsten Thonicke, Ronny Ramlau (2023) Accelerated photosythesis routine in LPJmL4. Geoscientifec Model Development, Bd. 16 (1), S. 17-33.DOI RIS ENW BIB
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Simioni, Matteo; Arcidiacono, Carmelo; Wagner, Roland; Grazian, Andrea; Gullieuszik, Marco et al. [..] (2022) Point spread function reconstruction for SOUL+LUCI LBT data. Journal of Astronomical Telescopes, Instruments, and Systems (JATIS), Bd. 8 (3), S. 038003.
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Wagner, R.; Saxenhuber, D.; Ramlau, R.; Hubmer, S. (2022) Direction dependent point spread function reconstruction for multi-conjugate adaptive optics on giant segmented mirror telescopes. Astron. Comput., Bd. 40, S. ARTN 100590.DOI RIS ENW BIB
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Hubmer, Simon; Ramlau, Ronny; Weissinger, Lukas (2022) On regularization via frame decompositions with applications in tomography. Inverse Probl., Bd. 38 (5), S. ARTN 055003.DOI RIS ENW BIB
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Stadler, Bernadett,; Ramlau, Ronny (2022) Performance of an iterative wavelet reconstructor for the Multi-conjugate Adaptive Optics Relay of the Extremely Large Telescope. Journal of Astronomical Telescopes, Instruments, and Systems, Bd. 8 (2), S. 021503.
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Hubmer, Simon; Ploier, Alexander; Ramlau, Ronny; Fosodeder, Peter; van Frank, Sandrine (2022) A mathematical approach towards THz tomography for non-destructive imaging. Inverse Problems and Imaging, Bd. 16 (1), S. 68-88.DOI RIS ENW BIB
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Hinterer, Fabian; Schneider, Magdalena C.; Hubmer, Simon; Lopez-Martinez, Montserrat; Zelger, Philipp et al. [..] (2022) Robust and bias-free localization of individual fixed dipole emitters achieving the Cramer Rao bound for applications in cryo-single molecule localization microscopy. PLoS One, Bd. 17 (2), S. ARTN e0263500.DOI RIS ENW BIB
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Grohs, P.; Kritzer, P.; Kunisch, K.; Ramlau, R.; Scherzer, O. (2021) RICAM, the Johann Radon Institute for Computational and Applied Mathematics. European Mathematical Society Magazine, Bd. 122, S. 46-51.RIS ENW BIB
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Gerth, Daniel; Ramlau, Ronny (2021) Estimating Solution Smoothness and Data Noise with Tikhonov Regularization. Numer. Funct. Anal. Optim.DOI RIS ENW BIB
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Brunner, Elisabeth; Shatokhina, Julia; Shirazi, Muhammad Faizan; Drexler, Wolfgang; Leitgeb, Rainer et al. [..] (2021) Retinal adaptive optics imaging with a pyramid wavefront sensor. Biomed. Opt. Express, Bd. 12 (10), S. 5969-5990.DOI RIS ENW BIB
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Ramlau, Ronny; Soodhalter, Kirk M.; Hutterer, Victoria (2021) SUBSPACE RECYCLING-BASED REGULARIZATION METHODS. SIAM J. Matrix Anal. Appl., Bd. 42 (4), S. 1480-1505.DOI RIS ENW BIB
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Fosodeder, Peter; Hubmer, Simon; Ploier, Alexander; Ramlau, Ronny; van Frank, Sandrine et al. [..] (2021) Phase-contrast THz-CT for non-destructive testing. Opt. Express, Bd. 29 (10), S. 15711-15723.DOI RIS ENW BIB
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Hubmer, Simon; Ramlau, Ronny (2021) Frame Decompositions of Bounded Linear Operators in Hilbert Spaces with Applications in Tomography. Inverse Problems, Bd. 37 (5), S. 055001.DOI RIS ENW BIB
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Stadler, Bernadett; Ramlau, Ronny (2021) An augmented wavelet reconstructor for atmospheric tomography. Electronic Transactions on Numerical Analysis (54), S. S. 256 - 275.
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Ramlau, R.; Dykes, L.; Reichel, L.; Soodhalter, K.; Wagner, R. (2021, online: 2020) Lanczos-based fast blind deconvolution methods. Journal of Computational and Applied Mathematics, Bd. Volume 382, S. 113067.
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Hubmer, Simon; Ramlau, Ronny (2020) A frame decomposition of the atmospheric tomography operator. Inverse Probl., Bd. 36 (9), S. ARTN 094001.DOI RIS ENW BIB
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Hinterer, F.; Hubmer, S.; Ramlau, R. (2020) A note on the minimization of a Tikhonov functional with l 1-penalty. Inverse Problems, Bd. 36 (7), S. 074001.
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Ke, Rihuan; Wagner, Roland; Ramlau, Ronny; Chan, Raymond (2020) Reconstruction of the High Resolution Phase in a Closed Loop Adaptive Optics. SIAM J. Imaging Sci., Bd. 13 (2), S. 775-806.DOI RIS ENW BIB
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Shatokhina, J.; Hutterer, V.; Ramlau, R. (2020) Review on methods for wavefront reconstruction from pyramid wavefront sensor data. Journal of Astronomical Telescopes, Instruments and Systems, Bd. 6 (1), S. 010901.
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Hubmer, Simon; Neubauer, Andreas; Ramlau, Ronny; Voss, H. U. (online: 2020) A conjugate-gradient approach to the parameter estimation problem of magnetic resonance advection imaging. Inverse Problems in Science and Engineering.DOI RIS ENW BIB
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Pöttinger, Markus; Ramlau, Ronny; Auzinger, Günter (2019) A new Temporal Control Approach for SCAO Systems. Inverse Problems (36(1)), S. 31.DOI RIS ENW BIB
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Hutterer, Victoria; Ramlau, Ronny; Shatokhina, Iuliia (2019) Real-time adaptive optics with pyramid wavefront sensors:part II. Accurate wavefront reconstruction using iterative methods. Inverse Problems (35 (2019)), S. 045008 (27pp).
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Ramlau, Ronny; Reichel, Lothar (2019) Error estimates for Arnoldi-Tikhonov regularization for ill-posed operator equations. Inverse Probl., Bd. 35 (5), S. ARTN 055002.DOI RIS ENW BIB
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Hutterer, Victoria; Ramlau, Ronny; Shatokhina, Iuliia (2019) Real-time adaptive optics with pyramid wavefront sensors: part I. A theoretical analysis of the pyramid sensor model. Inverse Probl., Bd. 35 (4), S. ARTN 045007.DOI RIS ENW BIB
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Jenny, Niebsch; Ronny, Ramlau (2018) Frequency-dependent reconstruction of imbalances. Electronic Transactions on Numerical Analysis (ETNA), Bd. 48, 2018, S. pp. 435–449.DOI RIS ENW BIB
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Hutterer, Victoria; Shatokhina, Iuliia; Obereder, Andreas; Ramlau, Ronny (2018) Advanced wavefront reconstruction methods for segmented Extremely Large Telescope pupils using pyramid sensors. J. Astron. Telesc. Instrum. Syst., Bd. 4 (4), S. ARTN 049005.DOI RIS ENW BIB
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Hutterer, Victoria; Ramlau, Ronny (2018) Nonlinear wavefront reconstruction methods for pyramid sensors using Landweber and Landweber-Kaczmarz iteration. Applied Optics, Bd. 57 (30), S. 8790-8804.
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Ramlau, Ronny; Scherzer, Otmar (2018) The first 100 years of the Radon transform. Inverse Probl., Bd. 34 (9), S. ARTN 090201.DOI RIS ENW BIB
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Hubmer, Simon; Ramlau, Ronny (2018) Nesterov's accelerated gradient method for nonlinear ill-posed problems with a locally convex residual functional. Inverse Probl., Bd. 34 (9), S. ARTN 095003.DOI RIS ENW BIB
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S. Hubmer, A. Neubauer, R. Ramlau, H. U. Voss (2018) On the Parameter Estimation Problem of Magnetic Resonance Advection Imaging. Journal of Inverse Problems and Imaging, Bd. 12 (1), S. 175-204.
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Buccini, Alessandro; Donatelli, Marco; Ramlau, Ronny (2018) A SEMIBLIND REGULARIZATION ALGORITHM FOR INVERSE PROBLEMS WITH APPLICATION TO IMAGE DEBLURRING. SIAM J. Sci. Comput., Bd. 40 (1), S. A452-A483.DOI RIS ENW BIB
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Wagner, Roland; Ramlau, Ronny; Hofer, Christoph (2018) Point spread function reconstruction for single-conjugate adaptive optics on extremely large telescopes. Journal of Astronomical Telescopes, Instruments, and Systems, Bd. 4 (4), S. 049003.DOI RIS ENW BIB
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Hutterer, Victoria; Shatokhina, Iuliia; Ramlau, Ronny (2018) Real-time Adaptive Optics with pyramid wavefront sensors: A theoretical analysis of the pyramid sensor model. Inverse Problems, Bd. forthcoming.RIS ENW BIB
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Hutterer, Victoria; Ramlau, Ronny; Shatokhina, Iuliia (2018) Real-time Adaptive Optics with pyramid wavefront sensors: Accurate wavefront reconstruction using iterative methods. Inverse Problems, Bd. forthcoming.RIS ENW BIB
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Tapio Helin, Stefan Kindermann, Jonatan Lehtonen, Ronny Ramlau (2018) Atmospheric turbulence profiling with unknown power spectral density. Inverse Problems, Bd. 34 (4), S. 044002.DOI RIS ENW BIB
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V. Hutterer, R. Ramlau (2018) Wavefront reconstruction from nonmodulated pyramid wavefront sensor data using a singular value type expansion. Inverse Problems (34), S. 035002 (19 pp).DOI RIS ENW BIB
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Wagner, Roland; Neubauer, Andreas; Ramlau, Ronny (2017) Simulation results for a finite element-based cumulative reconstructor. Journal of Astronomical Telescopes Instruments and Systems, Bd. 3 (4), S. 049001.DOI RIS ENW BIB
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Hubmer, Simon; Ramlau, Ronny (2017) Convergence analysis of a two-point gradient method for nonlinear ill-posed problems. Inverse Probl., Bd. 33 (9), S. ARTN 095004.DOI RIS ENW BIB
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R. Ramlau, I. Shatokhina (2017) Convolution and Fourier transform based reconstructors for pyramid wavefront sensor. Applied Optics, Bd. 56 (22), S. 6381-6390.DOI RIS ENW BIB
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Daniel Gerth, Andreas Hofinger, Ronny Ramlau (online: 2017) On the lifting of deterministic convergence rates for inverse problems with stochastic noise. Journal on Inverse Problems and Imaging, Bd. 11 (4), S. 663 - 687.DOI RIS ENW BIB
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R. Ramlau, I. Shatokhina (2017) Convolution and Fourier transform based reconstructors for pyramid wavefront sensor. Applied Optics, Bd. 56 (22), S. 6381-6390.
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J. Niebsch, R. Ramlau, K. M. Soodhalter (2017) Solution of coupled differential equations arising from imbalance problems. Electronic Transactions on Numerical Analysis, Bd. 46, S. 89-106.
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D. Gerth, A. Hofinger, R. Ramlau (2017) On the lifting of deterministic convergence rates for inverse problems with stochastic noise. Journal of Inverse Problems and Imaging (11), S. 663-687.RIS ENW BIB
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Neubauer, Andreas; Ramlau, Ronny (2017) A singular value type decomposition for the atmospheric tomography operator. SIAM Journal on Applied Mathematics, Bd. 77, S. 838-853.
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Klann, Esther; Ramlau, Ronny; Sun, Peng (2017) A Mumford-Shah-type approach to simultaneous reconstruction and segmentation for emission tomography problems with Poisson statistics. Journal of Inverse and Ill-Posed Problems, Bd. -, S. 1-22.
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Ramlau, Ronny; Saxenhuber, Daniela (2016) A gradient-based method of atmospheric tomography. Inverse Problems and Imaging, Bd. 10 (3), S. 781-805.DOI RIS ENW BIB
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Wagner, Roland; Helin, Tapio; Obereder, Andreas; Ramlau, Ronny (2016) Efficient Reconstruction Method for Ground Layer Adaptive Optics with mixed Natural and Laser Guide Stars. Applied Optics, Bd. 55 (6), S. 1421-1429 <'http://dx.doi.org/10.1364/AO.55.001421'>.
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Raffetseder, Stefan; Ramlau, Ronny; Yudytskiy, Mykhaylo (2016) Optimal mirror deformation for multi conjugate adaptive optics systems. Inverse Problems, Bd. 32 (2), S. 22.RIS ENW BIB
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(online: 2015) On fractional Tikhonov regularization., Bd. Vol. 23, S. 611--625.RIS ENW BIB
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Gerth, Daniel; Hahn, Bernadette N.; Ramlau, Ronny (2015) The method of the approximate inverse for atmospheric tomography. Inverse Probl., Bd. 31 (6), S. ARTN 065002.DOI RIS ENW BIB
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(online: 2015) An alternating iterative minimisation algorithm for the double-regularised total least square functional., Bd. 31.RIS ENW BIB
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Ramlau, Ronny; Bleyer, Ismael (2015) An alternating iterative minimisation algorithm for the double-regularised total least square functional. Inverse Problems, Bd. 31 (7), S. 075002.
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Klann, Esther; Quinto, Eric Todd; Ramlau, Ronny (2015) Wavelet methods for a weighted sparsity penalty for region of interest tomography. Inverse Probl., Bd. 31 (2), S. ARTN 025001.DOI RIS ENW BIB
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J. Niebsch, R. Ramlau (online: 2014) Simultaneous estimation of mass and aerodynamic rotor imbalances for wind turbines. Journal of Mathematics in Industry, Bd. 4 (1), S. 12.DOI RIS ENW BIB
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Wang, W.; Anzengruber, S. W.; Ramlau, R.; Han, B. (2014) A global minimization algorithm for Tikhonov functionals with sparsity constraints. Applicable Analysis, Bd. 94 (3), S. 580-611.RIS ENW BIB
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Andreas Obereder, Ronny Ramlau, Enrico Fedrigo (2014) Mathematical Algorithms and Software for ELT Adaptive Optics - The Austrian In-kind Contributions for Adaptive Optics. ESO - The Messenger (156), S. 16-20.Website RIS ENW BIB
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A. Neubauer, R. Ramlau (2014) On convergence rates for quasi-solutions of ill-posed problems. ETNA, Bd. 41, S. 81-92.RIS ENW BIB
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D. Gerth, R. Ramlau (2014) A stochastic convergence analysis for Tikhonov regularization with sparsity constraints. Inverse Problems, Bd. 30 (5), S. 055009.RIS ENW BIB
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M. Yudytskiy, T. Helin, R. Ramlau (2014) Finite element-wavelet hybrid algorithm for atmospheric tomography. Journal of the Optical Society of America A, Bd. 31 (3), S. 550-560.DOI RIS ENW BIB
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R. Ramlau, A. Obereder, M. Rosensteiner, D. Saxenhuber (2014) Efficient iterative tip/tilt reconstruction for atmospheric tomography. Inverse Problems in Science and Engineering, Bd. 22 (8), S. 1345-1366.RIS ENW BIB
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Anzengruber, S. W.; Hofmann, B.; Ramlau, R. (2013) On the interplay of basis smoothness and specific rangeconditions occurring in sparsity regularization. Inverse Problems, Bd. 29 (12), S. 125002.DOI RIS ENW BIB
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M. Eslitzbichler, C. Pechstein, R. Ramlau (2013) An H^1 Kaczmarz reconstructor for atmospheric tomography. Journal of Inverse and Ill-Posed Problems, Bd. 21 (3), S. 431-450.RIS ENW BIB
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M. Rosensteiner, R. Ramlau (2013) The Kaczmarz algorithm for multiconjugated adaptive optics with laser guide starsJournal of the Optical Society of America. Journal of the Optical Society of America A, Bd. 30(8), S. 1680-1686.RIS ENW BIB
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I. Shatokhina, A. Obereder, M. Rosensteiner, R. Ramlau (2013) Preprocessed cumulative reconstructor with domain decomposition: a fast wavefront reconstruction method for pyramid wavefront sensor. Applied Optics, Bd. 52(12), S. 2640-2652.RIS ENW BIB
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E. Klann, R. Ramlau (2013) Regularization properties of Mumford-Shah type functionals with perimeter and norm constraints for linear ill-posed problems. SIAM Journal of Imaging Sciences, Bd. 6, S. 413-436.RIS ENW BIB
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I. Bleyer, R. Ramlau (2013) A Double Regularization Approach for Inverse Problems with Noisy Data and Inexact Operator. Inverse Problems, Bd. 29, S. 025004.RIS ENW BIB
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Ramlau, R.; Rosensteiner, M. (2012) A Kaczmarz type reconstructor for MCAO data. Inverse Problems, Bd. 28 (9), S. 8277-8287.RIS ENW BIB
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Ramlau, R.; Zarzer, C. (2012) On the optimization of a Tikhonov functional with non-convex sparsity constraints. ETNA, Bd. 39, S. 476-507.RIS ENW BIB
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Anzengruber, S. W.; Klann, E.; Ramlau, R.; Tonova, D. (2012) Numerical methods for the design of gradient-index optical coatings. Applied Optics, Bd. 51 (34), S. 173652.RIS ENW BIB
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Lettmann, K.; Riedinger, N.; Ramlau, R.; Knab, N.; Böttcher, M. et al. [..] (2012) Estimation of biogeochemical rates from concentration profiles: a novel inverse method. Estuarine, Coastal and Shelf Science, Bd. 100, S. 26-37.RIS ENW BIB
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Kindermann, S.; Neubauer, A.; Ramlau, R. (2012) A singular value decomposition for the Shack-Hartmann based wavefront reconstruction. J. Comput. Appl. Math., Bd. 236 (8), S. 2186-2199.RIS ENW BIB
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M. Zhariy, A. Neubauer, M. Rosensteiner, R. Ramlau (2011) Cumulative Wavefront Reconstructor for the Shack-Hartmann Sensor. Inverse Problems and Imaging, Bd. 5 (4), S. 893 - 913.RIS ENW BIB
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Ramlau, S. Anzengruber and R. (2011) Convergence rates for Morozov's discrepancy principle using variational inequalities. Inverse Problems, Bd. 27 (10), S. 105007.RIS ENW BIB
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E. Klann, R. Ramlau, L. Reichel (2011) Wavelet-Based Multilevel Methods for Linear Ill-Posed Problems. BIT, Bd. 51 (3), S. 669-694.RIS ENW BIB
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E. Klann, R. Ramlau, W. Ring (2011) A Mumford-Shah level-set approach for the inversion and segmentation of SPECT / CT data. Inverse Problems in Imaging, Bd. 5 (1).RIS ENW BIB
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C. Brandt, J. Niebsch, R. Ramlau, P. Maass (2011) Modeling the influence of unbalances for ultra-precision cutting processes. Zeitschrift für Angewandte Mathematik und Mechanik (ZAMM), Bd. 2011, S. 14.RIS ENW BIB
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R. Ramlau, W. Ring (2010) Regularization of linear operator equations by Perimeter constraints. Inverse Problems.RIS ENW BIB
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R. Ramlau, C. Zarzer (2010) On the optimization of a Tikhonov functional with non-convex sparsity constraints.RIS ENW BIB
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Jenny Niebsch, Ronny Ramlau, Thien T. Nguyen (2010) Mass and Aerodynamic Imbalance Estimates of Wind Turbines. Energies (3), S. 696-710.Download RIS ENW BIB
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Anzengruber, Stephan W.; Ramlau, Ronny (2010) Morozov's discrepancy principle for Tikhonov-type functionals with non-linear operators. Inverse Problems, Bd. 26 (2), S. 17pp.
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Ronny Ramlau, Elena Resmerita (2010) Convergence rates for regularization with sparsity constraints. ETNA.RIS ENW BIB
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M. Fornasier, R. Ramlau and G. Teschke (2009) The application of joint sparsity and total variation minimization algorithms to a real-life art restoration problem. Adv. Comput. Math., Bd. 31 (1-3), S. 157-184.RIS ENW BIB
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Ronny Ramlau, Jenny Niebsch (2009) Imbalance Estimation Without Test Masses for Wind Turbines. Journal of Solar Energy Engineering.RIS ENW BIB
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R.Ramlau, L.Justen and (2009) A general framework for Soft-Shrinkage with Applications to blind deconvolution and wavelet denoising. Appl. Comp. Harmon. Anal, Bd. 26 (1), S. 43-63.RIS ENW BIB
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R. Ramlau, G. Teschke, and M. Zhariy (2008) A Compressive Landweber Iteration for Solving Ill-Posed Inverse Problems. Inverse Problems.RIS ENW BIB
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Ramlau, R. (2008) Regularization properties of Tikhonov regularization with sparsity constraints. Electronic Transactions on Numerical Analysis (30), S. 54-74.RIS ENW BIB
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S. Anzengruber, F. Bauer, A. Leitão, R. Ramlau (2008) New algorithms for parallel MRI. Journal of Physics: Conference Series, Bd. 135, S. 8p.Download RIS ENW BIB
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Klann, Esther; Ramlau, Ronny (2008) Regularization by fractional filter methods and data smoothing. Inverse Problems, Bd. 24 (4), S. 501-526.RIS ENW BIB
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S. Lu, S. Pereverzyev, R. Ramlau (2007) An analysis of Tikhonov regularization for nonlinear ill-posed problems under general smoothness assumptions. Inverse Problems (23), S. 217-230.Download RIS ENW BIB
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S. Kindermann, R. Ramlau (2007) Surrogate Functional and Tresholding for Inverse Interface problems. J. of Inv. and Ill-Posed Problems, Bd. 15 (4), S. 387-402.RIS ENW BIB
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R. Ramlau, G. Teschke (2007) An Iterative Algorithm for Nonlinear Inverse Problems with Joint Sparsity Constraints in Vector Valued Regimes and an Application to Color Image Inpainting. Inverse Problems, Bd. 23 (5), S. 1851-1870.RIS ENW BIB
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R. Ramlau, V. Dicken, P. Maass, A. Rienäcker, C. Streller (2006) Inverse Imbalance Reconstruction in Rotordynamics. ZAMM, Bd. 86(5), S. 385-399.RIS ENW BIB
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R. Ramlau, G. Teschke (2006) A Tikhonov-based projection iteration for nonlinear Ill - posed problems with sparsity constraints. Numerische Mathematik, Bd. 104, S. 177-203.RIS ENW BIB
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R. Ramlau, R. Ring (2006) A Mumford-Shah approach for contour tomography. J. Comp. Physics, Bd. 221, S. 539-557.RIS ENW BIB
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E. Klann, P. Maass, R. Ramlau (2006) Two-step regularization methods for linear inverse problems. Journal of Inverse and Ill Posed Problems, Bd. 14(6), S. 583-607.RIS ENW BIB
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L. Justen, R. Ramlau (2006) A non-iterative regularization approach to blind deconvolution. Inverse Problems, Bd. 22, S. 771-800.RIS ENW BIB
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R. Ramlau, J. Niebsch (2006) Automatische Unwuchterkennung am Rotor. Erneuerbare Energien, Bd. 5.RIS ENW BIB
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Ramlau, R. (2005) On the use of fixed point iterations for the regularization of nonlinear ill-posed problems. Journal for Inverse and Ill-Posed Problems, Bd. 13(2), S. 175-200.RIS ENW BIB
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R. Ramlau, G. Teschke (2005) Tikhonov Replacement Functionals for Iteratively Solving Nonlinear Operator Equations. Inverse Problems, Bd. 21(5), S. 1571-1592.RIS ENW BIB
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Dicken, V.; Menz, I.; Maass, P.; Niebsch, J.; Ramlau, R. (2005) Inverse imbalance reconstruction for nonlinearly damped systems. Inverse Problems in Science and Engineering, Bd. 13(5), S. 507-543.Download RIS ENW BIB
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Ramlau, R.; Dicken, V.; Maass, P.; Rienäcker, A.; Streller, C. (2005) Inverse Imbalance Reconstruction in Rotordynamics. ZAMM.RIS ENW BIB
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Justen, L.; Ramlau, R. (2005) A non-iterative regularization approach to blind deconvolution. Inverse Problems.RIS ENW BIB
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L. Justen, R. Ramlau A General Framework for Soft – Shrinkage with Applications to Blind Deconvolution and Wavelet Denoising. Applied and Computational Harmonic Analysis.RIS ENW BIB
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Modeling the Influence of Unbalances for Ultra-Precision Cutting Processes. Zeitschrift für Angewandte Mathematik und Mechanik (ZAMM).RIS ENW BIB
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Alessandro Buccini, Marco Donatelli, Ronny Ramlau A semi-blind regularization algorithm for inverse problems with application to image deblurring. SIAM Journal on Scientific Computing, Bd. forthcoming, S. x-x.RIS ENW BIB
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Stadler, Bernadett; Ramlau, Ronny An augmented wavelet reconstructor for atmospheric tomography. Electonic Transactions on Numerical Analysis (Vol 54), S. 234- 253.RIS ENW BIB
Buch/Monographie (1)
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Ramlau, R.; Scherzer, O. (2019) 100 years Mathematical Tomography.DOI RIS ENW BIB
Konferenzbeitrag: Publikation in Proceedings (18)
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Grazian, Andrea; Simioni, Matteo; Arcidiacono, Carmelo; Achren, Jani; Clenet, Yann et al. [..] (2022) Status of the PSF reconstruction work package for MICADO at ELT.
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Simioni, Matteo; Arcidiacono, Carmelo; Wagner, Roland; Grazian, Andrea; Gullieuszik, Marco et al. [..] (2022) LBT SOUL data as a science test bench for MICADO PSF-R tool. In: SPIE (Hrsg.), Proc. SPIE 12185, Adaptive Optics Systems VIII, 121850D (SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada): SPIE.DOI RIS ENW BIB
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Stadler, Bernadett,; Biasi, Roberto,; Manetti, Mauro,; Ramlau, Ronny, (2022) Parallel Implementation of an iterative solver for atmospheric tomography. In: Engineers, IEEE - Institute of Electrical and Electronics (Hrsg.) (21. International Conference on Computational Science and its Applications (ICCSA)); Cagliari, Italy, S. 123 - 132.
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Simioni, M.; Arcidiacono, C.; Grazian, A.; Clenet, Y.; Davies, R. et al. [..] (2020) MICADO PSF-reconstruction work package description. In: SPIE (Hrsg.) In Reihe: Adaptive Optics Systems VII: SPIE <'https://www.spie.org/Publications/Proceedings/Paper/10.1117/12.2561251?SSO=1'>.DOI RIS ENW BIB
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Ramlau, Ronny; Zeilinger, Werner W.; Wagner, Roland; al., et (2020) MICADO PSF-reconstruction work package description. In: SPIE (Hrsg.) (Adaptive Optics Systems VII) In Reihe: Proc. SPIE 11448: SPIE.
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Hutterer, Victoria; Obereder, Andreas; Raffetseder, Stefan; etal. (2019) Model-based wavefront reconstruction tested on the LOOPS bench. In: AO4ELT6 (Hrsg.) (Adaptive Optics for Extremely Large Telescopes 6); Quebec.RIS ENW BIB
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Ramlau, Ronny; Stadler, Bernadett; Biasi, Roberto; Manetti, Mauro (2019) Feasibility of standard and novel solvers in atmospheric tomography for the ELT. In: AO4ELT (Hrsg.) (Adaptive Optics for Extremely Large Telescopes 6); Quebec, S. 9.RIS ENW BIB
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Davies, Ric; Alves, João; Wagner, Roland; Niebsch, Jenny; Ramlau, Ronny et al. [..] (2018) The MICADO first light imager for the ELT: overview, operation, Simulation., Proceeding of the SPIE Astronomical Telescopes and Instrumentation Conference Austin 2018 (spie. Astronomical Telescopes and Instrumentation) In Reihe: 10702: Ground-based and Airborne Instrumentation for Astronomy VII, S. 107021S.RIS ENW BIB
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Hutterer, Victoria; Ramlau, Ronny; Shatokhina, Iuliia; Obereder, Andreas (2018) Wavefront reconstruction for ELT-sized telescopes with pyramid wavefront sensors. (spie astronomical telescopes and instrumentation); Austin, S. 10703 - 1070344 - 18.
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Davies, R.; Schubert, J.; Hartl, M.; Alves, J.; Clenet, Y. et al. [..] (2016) MICADO: first light imager for the E-ELT., Proceedings SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI (Ground-based and Airborne Instrumentation for Astronomy VI conference); Edinburgh, S. 99081Z.
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R. Ramlau, D. Saxenhuber, M. Yudytskiy (2014) Iterative reconstruction methods in atmospheric tomography: FEWHA, Kaczmarz and Gradient-based algorithm., SPIE, Bd. 31.RIS ENW BIB
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Jenny Niebsch, Ronny Ramlau, Christina Brandt (2011) Unbalances in ultra-precision cutting machinery and the relation to surface quality. (9. Internationale tagung Schwingungen in rotierenden Maschinen); Darmstadt.RIS ENW BIB
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Brandt C., Niebsch J., Maaß P., Ramlau R. (2010) Simulation of Process Machine Interaction for Ultra Precision Turning. (Proceedings of the 2nd International Conference on Process Machine Interactions); Vancouver.RIS ENW BIB
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Brandt, C.; Karimi, H.R.; Piotrowska, I.; Niebsch, J.; Ramlau, R.; Krause, A.; Riemer, O.; Maaß, P. (2008) Process Machine Interaction Model for Turning Processes., Proceedings of the 1st International Conference on Process Machine Interactions; Hannover.RIS ENW BIB
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Jenny Niebsch, Ronny Ramlau (2008) Mathematical Imbalance Determination from Vibrational Measurements and Industrial Applications. (2008 ASME DETC & Computers and Information in Engineering Conference (CIE) 2008).RIS ENW BIB
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Ronny Ramlau, ; Esther Klann, ; Ring, Wolfgang (2007) Simultaneous Reconstruction and Segmentation for Tomography Data. (Special Issue: Sixth International Congress on Industrial Applied Mathematics (ICIAM07) and GAMM Annual Meeting, Zürich 2007) In Reihe: PAMM; Weinheim: WILEY-VCH Verlag GmbH & Co. KGaA, S. 1050301-1050302.Website RIS ENW BIB
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Ramlau, R. (2006) Tikhonov regularization with non - standard constraints for Tomography. In: A. K. Louis, F. Natterer, E. T. Quinto (Hrsg.), Mathematical Methods in Tomography In Reihe: Oberwolfach Report, Bd. 34/2006, S. 62-64.RIS ENW BIB
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Jenny Niebsch, Ronny Ramlau Imbalances in high precision cutting machinery. (ASME 2009 International Design Engineering Technical Conferences IDETC); San Diego.RIS ENW BIB
Konferenzbeitrag: Poster (in Proceedingsband) (4)
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Wagner, Roland; Hubmer, Simon; Niebsch, Jenny; Ramlau, Ronny; Stadler, Bernadett (2022) Off-axis PSF reconstruction for SCAO and MCAO systems (Poster). SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada.
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Hutterer, Victoria; Ramlau, Ronny; Shatokhina, Iuliia (2017) Two novel algorithms for wavefront reconstruction from pyramid sensor data: Convolution with Linearized Inverse Filter and Pyramid Fourier Transform Reconstructor (Poster). AO4ELT.RIS ENW BIB
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Hutterer, Victoria; Ramlau, Ronny; Shatokhina, Iuliia (2017) Wavefront Reconstruction from Pyramid Sensor Measurements based on the Inversion of the Finite Hilbert Transform (Poster). AO4ELT.RIS ENW BIB
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Cantalloube, Faustine; Obereder, Andreas; Ramlau, Ronny; Raffetseder, Stefan; Shatokhina, Iuliia et al. [..] (2017) Status of the SCAO design of METIS and end-to-end simulation performances (Poster). AO4ELT Teneriffa 2017.RIS ENW BIB
Beitrag in Sammelwerk (7)
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Ronny, Ramlau; Jenny, Niebsch (2021) Tomographic Reconstruction for Single Conjugate Adaptive Optics. In: Barbara, Kaltenbacher; Thomas, Schuster; Anne, Wald (Hrsg.), Time-dependent Problems in Imaging and Parameter Identification: Springer, S. 303-322.
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Ramlau, Ronny; Koutschan, Christoph; Hofmann, Bernd (2020) On the singular value decomposition of n-fold integration operators. In: Cheng, Jin; Lu, Shuai; Yamamoto, Masahiro (Hrsg.), Inverse Problems and Related Topics; Singapore: Springer, S. 237-256.
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Engl, Heinz W.; Ramlau, Ronny (2015) Regularization of Inverse Problems. In: Engquist, Björn (Hrsg.), Encyclopedia of Applied and Computational Mathematics: Springer, S. 1233-1241.RIS ENW BIB
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C. Brandt, A. Krause, J. Niebsch, J. Vehmeyer, E. Brinksmeier, P. Maaß, R. Ramlau (2013) Surface Generation Process with Consideration of the Balancing State in Diamond Machining. In: Berend Denkena, Ferdinand Hollmann (Hrsg.), Lecture Notes in Production Engineering, Process Machine Interactions: Springer, S. 329-360.RIS ENW BIB
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Brandt, C.; Krause, A.; Niebsch, J.; Vehmeyer, J.; Brinksmeier, E. et al. [..] (2012) Surface Generation Process with Consideration of the Balancing State in Diamond Machining., Process Machine Interactions Predicition and Manipulation of Interactions between Manufacturing Processes and Machine Tool Structures: Springer, S. 329-360.DOI RIS ENW BIB
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R. Ramlau, G. Teschke (2010) Sparse recovery in Inverse Problems. In: Fornasier, M. (Hrsg.), Theoretical foundations and numerical methods for sparse recovery: De Gryter, S. 201-262.RIS ENW BIB
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Niebsch, Jenny; Ramlau, Ronny Imbalance Determination for Wind Turbines.RIS ENW BIB
Herausgeberschaft (1)
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(2019) The Radon Transform. The first 100 years and beyond. In Reihe: Radon Series on Computational and Applied Mathematics; Berlin: de Gruyter.RIS ENW BIB
Dissertation (1)
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Ramlau, Ronny (1997) Modifizierte Landweber-Iterationen für Inverse Probleme. Doktorarbeit, Potsdam, Germany.RIS ENW BIB
Forschungsbericht (24)
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Ramlau, Ronny; Koutschan, Christoph; Hofmann, Bernd (2018) On the singular value decomposition of n-fold integration operators. Bericht-Nr. 2018-29; RICAM: Linz.Download RIS ENW BIB
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Wagner, R.; Ramlau, R.; Davies, R.; Alves, J.; Kleijn, G. Verdoes (2018) Mathematical Algorithms for MICADO - First Light Instrument at the European Extremely Large Telescope, in: Mathematics with industry: driving innovation, ECMI Annual Report 2017 (ECMI - European Consortium for Mathematics in Industry).RIS ENW BIB
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M. Yudytskiy, T. Helin and R. Ramlau (2013) A finite element-wavelet hybrid algorithm for atmospheric tomography. Bericht-Nr. 2013-14; RICAM: Linz.
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M. Yudytskiy, T. Helin and R. Ramlau (2013) A frequency dependent preconditioned wavelet method for atmospheric tomography. Bericht-Nr. 2013-13; RICAM: Linz.
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G. Auzinger, A. Obereder, R. Ramlau, M. Rosensteiner, D. Saxenhuber and M. Yudytskiy (2013) AO3: Final Report. Bericht-Nr. 48; ESO:.RIS ENW BIB
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Klann, Esther; Ramlau, Ronny; Ring, Wolfgang (2009) A Mumford-Shah level-set approach for the inversion and segmentation of SPECT/CT data. Bericht-Nr. 2009-06; Johann Radon Institute for Computational and Applied Mathematics: Linz.RIS ENW BIB
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Klann, Esther; Ramlau, Ronny (2007) Regularization by fractional filter methods and data smoothing. Bericht-Nr. 2007-24; Johann Radon Institute for Computational and Applied Mathematics: Linz.RIS ENW BIB
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Auzinger, Günther MPIM -- a flexible method for extension of obstructed measurements from a Shack-Hartmann Sensor to a full square area. Bericht-Nr. 12;.RIS ENW BIB
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al., R Ramlau et Final Report AO1: Introductory study Austrian In-Kind Contribution Mathematical Algorithms and Software for ELT Adaptive Optics. Bericht-Nr. 2;.RIS ENW BIB
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Zhariy, G. Auzinger and A. Obereder and R. Ramlau and M. Rosensteiner and I. Shatokhina and M. Yudytskiy and M. Mid Term Review AO4: SCAO / XAO. Bericht-Nr. 16; ESO:.RIS ENW BIB
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Yudytskiy, T. Helin and A. Obereder and R. Ramlau and M. Rosensteiner and M. Mid Term Review AO2: MCAO. Bericht-Nr. 17; ESO:.RIS ENW BIB
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Rosensteiner, R. Ramlau and M. A Kaczmarz type reconstructor for MCAO data. Bericht-Nr. 19;.RIS ENW BIB
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R. Ramlau, G. Auzinger, A. Obereder, M. Rosensteiner, and M. Yudytskiy Mid Term Review AO3: MOAO. Bericht-Nr. 22; ESO:.RIS ENW BIB
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R. Ramlau, G. Auzinger, A. Obereder, M. Rosensteiner, Iu. Shatokhina, and M. Yudytskiy AO4: Final Report. Bericht-Nr. 28; ESO:.RIS ENW BIB
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R. Ramlau, G. Auzinger, A. Obereder, M. Rosensteiner, D. Saxenhuber, and M. Yudytskiy AO2: Final Report. Bericht-Nr. 40; ESO:.RIS ENW BIB
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Shatokhina, Iuliia Simulation of the non-modulated pyramid wavefront sensor. Bericht-Nr. 7;.RIS ENW BIB
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Auzinger, Günther Technical report on the SVD method for a wavefront reconstruction based on Shack-Hartmann sensor measurements. Bericht-Nr. 4;.RIS ENW BIB
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Obereder, Andreas Applying the CuRe on modulated Pyramid-WFS measurements. Bericht-Nr. 10;.RIS ENW BIB
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Obereder, Andreas Eighteen months technical report of the austrian in-kind project AO. Bericht-Nr. 8;.RIS ENW BIB
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Obereder, Andreas Simulation of the non-modulated pyramid wavefront sensor. Bericht-Nr. 1;.RIS ENW BIB
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Rosensteiner, Matthias Wavefront reconstruction for Extremely Large Telescopes via CuRe with Domain Decomposition. Bericht-Nr. 18;.RIS ENW BIB
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Rosensteiner, Matthias The cumulative reconstructor - basics and first results. Bericht-Nr. 3;.RIS ENW BIB
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Rosensteiner, Matthias Solving the GLAO problem with the CuReD. Bericht-Nr. 9;.RIS ENW BIB
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Shatokhina, Iuliia Simulation of the modulated pyramid and roof wavefront sensors. Bericht-Nr. 11;.RIS ENW BIB
Sonstige Publikationen (1)
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Obereder, Andreas; Ramlau, Ronny; Shatokhina, Iuliia Fast wavefront reconstruction algorithms for adaptive optics in astronomy. Conference Paper: Symposium on Mathematical Optics, Image Modelling and Algorithms, 20.-23. 6. 2016 Hanover, Germany.Website RIS ENW BIB