Dirk A. Lorenz

Orcid: 0000-0002-7419-769X

Affiliations:
  • Universität Bremen, Germany
  • Technische Universität Braunschweig, Germany (former)


According to our database1, Dirk A. Lorenz authored at least 56 papers between 2004 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
Correction: A Bregman-Kaczmarz method for nonlinear systems of equations.
Comput. Optim. Appl., July, 2024

A Bregman-Kaczmarz method for nonlinear systems of equations.
Comput. Optim. Appl., April, 2024

Matrix-free stochastic calculation of operator norms without using adjoints.
CoRR, 2024

On inertial Levenberg-Marquardt type methods for solving nonlinear ill-posed operator equations.
CoRR, 2024

2023
Faster randomized block sparse Kaczmarz by averaging.
Numer. Algorithms, August, 2023

Acceleration and restart for the randomized Bregman-Kaczmarz method.
CoRR, 2023

Adaptive Bregman-Kaczmarz: An Approach to Solve Linear Inverse Problems with Independent Noise Exactly.
CoRR, 2023

Minimal error momentum Bregman-Kaczmarz.
CoRR, 2023

On the Interplay of Subset Selection and Informed Graph Neural Networks.
CoRR, 2023

Linearly convergent adjoint free solution of least squares problems by random descent.
CoRR, 2023

Asymptotic Analysis and Truncated Backpropagation for the Unrolled Primal-Dual Algorithm.
Proceedings of the 31st European Signal Processing Conference, 2023

An accelerated randomized Bregman-Kaczmarz method for strongly convex linearly constraint optimization.
Proceedings of the European Control Conference, 2023

2022
Degenerate Preconditioned Proximal Point Algorithms.
SIAM J. Optim., September, 2022

Learning Variational Models with Unrolling and Bilevel Optimization.
CoRR, 2022

Damage Identification in Fiber Metal Laminates using Bayesian Analysis with Model Order Reduction.
CoRR, 2022

Extended Randomized Kaczmarz Method for Sparse Least Squares and Impulsive Noise Problems.
CoRR, 2022

Chambolle-Pock's Primal-Dual Method with Mismatched Adjoint.
CoRR, 2022

Group equivariant networks for leakage detection in vacuum bagging.
Proceedings of the 30th European Signal Processing Conference, 2022

2021
Nonconvex flexible sparsity regularization: theory and monotone numerical schemes.
CoRR, 2021

2020
Regularization of Inverse Problems by Filtered Diagonal Frame Decomposition.
CoRR, 2020

2019
Linear convergence of the randomized sparse Kaczmarz method.
Math. Program., 2019

Denoising of Image Gradients and Total Generalized Variation Denoising.
J. Math. Imaging Vis., 2019

Non-stationary Douglas-Rachford and alternating direction method of multipliers: adaptive step-sizes and convergence.
Comput. Optim. Appl., 2019

Learning to Dequantize Speech Signals by Primal-dual Networks: an Approach for Acoustic Sensor Networks.
Proceedings of the IEEE International Conference on Acoustics, 2019

2018
An Extended Perona-Malik Model Based on Probabilistic Models.
J. Math. Imaging Vis., 2018

Primal-dual residual networks.
CoRR, 2018

The Randomized Kaczmarz Method with Mismatched Adjoint.
CoRR, 2018

A primal-dual homotopy algorithm for \(\ell _{1}\) -minimization with \(\ell _{\infty }\) -constraints.
Comput. Optim. Appl., 2018

2017
Denoising of Image Gradients and Constrained Total Generalized Variation.
Proceedings of the Scale Space and Variational Methods in Computer Vision, 2017

2016
A Primal-Dual Homotopy Algorithm for ℓ<sub>1</sub>-Minimization with ℓ<sub>∞</sub>-Constraints.
CoRR, 2016

Sparse reconstruction of quantized speech signals.
Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

2015
Solving Basis Pursuit: Heuristic Optimality Check and Solver Comparison.
ACM Trans. Math. Softw., 2015

Minimization of Non-smooth, Non-convex Functionals by Iterative Thresholding.
J. Optim. Theory Appl., 2015

An Inertial Forward-Backward Algorithm for Monotone Inclusions.
J. Math. Imaging Vis., 2015

Computing and analyzing recoverable supports for sparse reconstruction.
Adv. Comput. Math., 2015

Cartoon-Texture-Noise Decomposition with Transport Norms.
Proceedings of the Scale Space and Variational Methods in Computer Vision, 2015

2014
The Linearized Bregman Method via Split Feasibility Problems: Analysis and Generalizations.
SIAM J. Imaging Sci., 2014

Imaging with Kantorovich-Rubinstein Discrepancy.
SIAM J. Imaging Sci., 2014

An accelerated forward-backward algorithm for monotone inclusions.
CoRR, 2014

Testable uniqueness conditions for empirical assessment of undersampling levels in total variation-regularized x-ray CT.
CoRR, 2014

An infeasible-point subgradient method using adaptive approximate projections.
Comput. Optim. Appl., 2014

A sparse Kaczmarz solver and a linearized Bregman method for online compressed sensing.
Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

2013
Constructing Test Instances for Basis Pursuit Denoising.
IEEE Trans. Signal Process., 2013

Fast Image-Based Modeling of Astronomical Nebulae.
Comput. Graph. Forum, 2013

Variational Methods for Motion Deblurring with Still Background.
Proceedings of the Scale Space and Variational Methods in Computer Vision, 2013

2012
Visualization of Astronomical Nebulae via Distributed Multi-GPU Compressed Sensing Tomography.
IEEE Trans. Vis. Comput. Graph., 2012

Image Sequence Interpolation Based on Optical Flow, Segmentation, and Optimal Control.
IEEE Trans. Image Process., 2012

2011
Morozov's Principle for the Augmented Lagrangian Method Applied to Linear Inverse Problems.
Multiscale Model. Simul., 2011

Image Sequence Interpolation Using Optimal Control.
J. Math. Imaging Vis., 2011

Mathematische Bildverarbeitung - Einführung in Grundlagen und moderne Theorie.
Vieweg+Teubner, ISBN: 978-3-8348-1037-3, 2011

2010
On Conditions for Convergence to Consensus.
IEEE Trans. Autom. Control., 2010

Heuristic Parameter-Choice Rules for Convex Variational Regularization Based on Error Estimates.
SIAM J. Numer. Anal., 2010

2009
A generalized conditional gradient method and its connection to an iterative shrinkage method.
Comput. Optim. Appl., 2009

2008
Iterated Hard Shrinkage for Minimization Problems with Sparsity Constraints.
SIAM J. Sci. Comput., 2008

2006
An Optimal Control Problem in Medical Image Processing.
Proceedings of the Systems, 2006

2004
Wavelet shrinkage in signal & image processing: an investigation of relations and equivalences.
PhD thesis, 2004


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