Verification of a variational source condition for acoustic inverse medium scattering problems

T Hohage, F Weidling - Inverse Problems, 2015 - iopscience.iop.org
This paper is concerned with the classical inverse scattering problem to recover the
refractive index of a medium given near or far field measurements of scattered time …

Optimal convergence rates for Tikhonov regularization in Besov spaces

F Weidling, B Sprung, T Hohage - SIAM Journal on Numerical Analysis, 2020 - SIAM
This paper deals with Tikhonov regularization for linear and nonlinear ill-posed operator
equations with wavelet Besov norm penalties. We show order optimal rates of convergence …

Optimal convergence rates for sparsity promoting wavelet-regularization in Besov spaces

T Hohage, P Miller - Inverse Problems, 2019 - iopscience.iop.org
This paper deals with Tikhonov regularization for linear and nonlinear ill-posed operator
equations with wavelet Besov norm penalties. We focus on penalty terms which yield …

Levenberg–Marquardt method in Banach spaces with general convex regularization terms

Q Jin, H Yang - Numerische Mathematik, 2016 - Springer
Abstract We propose a Levenberg–Marquardt method with general uniformly convex
regularization terms to solve nonlinear inverse problems in Banach spaces, which is an …

Convergence rates for exponentially ill-posed inverse problems with impulsive noise

C König, F Werner, T Hohage - SIAM Journal on Numerical Analysis, 2016 - SIAM
This paper is concerned with exponentially ill-posed operator equations with additive
impulsive noise on the right-hand side, ie, the noise is large on a small part of the domain …

On the asymptotical regularization for linear inverse problems in presence of white noise

S Lu, P Niu, F Werner - SIAM/ASA Journal on Uncertainty Quantification, 2021 - SIAM
We interpret steady linear statistical inverse problems as artificial dynamic systems with
white noise and introduce a stochastic differential equation system where the inverse of the …

[HTML][HTML] An iteration regularization method with general convex penalty for nonlinear inverse problems in Banach spaces

J Wang, W Wang, B Han - Journal of Computational and Applied …, 2019 - Elsevier
This paper investigates the construction, analysis and implementation of a novel iterative
regularization scheme with general convex penalty term for nonlinear inverse problems in …

Adaptive minimax optimality in statistical inverse problems via SOLIT—Sharp Optimal Lepskiĭ-Inspired Tuning

H Li, F Werner - Inverse Problems, 2023 - iopscience.iop.org
Adaptive minimax optimality in statistical inverse problems via SOLIT—Sharp Optimal
Lepskiĭ-Inspired Tuning - IOPscience This site uses cookies. By continuing to use this site you …

Higher order convergence rates for Bregman iterated variational regularization of inverse problems

B Sprung, T Hohage - Numerische Mathematik, 2019 - Springer
We study the convergence of variationally regularized solutions to linear ill-posed operator
equations in Banach spaces as the noise in the right hand side tends to 0. The rate of this …

Matrix coefficient identification in an elliptic equation with the convex energy functional method

M Hinze, TNT Quyen - Inverse problems, 2016 - iopscience.iop.org
In this paper we study the inverse problem of identifying the diffusion matrix in an elliptic
PDE from measurements. The convex energy functional method with Tikhonov …