Computational methods for large-scale inverse problems: a survey on hybrid projection methods

J Chung, S Gazzola - Siam Review, 2024 - SIAM
This paper surveys an important class of methods that combine iterative projection methods
and variational regularization methods for large-scale inverse problems. Iterative methods …

Seismic interferometry by crosscorrelation and by multidimensional deconvolution: A systematic comparison

K Wapenaar, J Van Der Neut, E Ruigrok… - Geophysical Journal …, 2011 - academic.oup.com
Seismic interferometry, also known as Green's function retrieval by crosscorrelation, has a
wide range of applications, ranging from surface-wave tomography using ambient noise, to …

Improving energy resolution of EELS spectra: an alternative to the monochromator solution

A Gloter, A Douiri, M Tence, C Colliex - Ultramicroscopy, 2003 - Elsevier
In this paper, we propose a numerical method which can routinely improve the energy
resolution down to 0.2–0.3 eV of electron energy-loss spectra acquired in a transmission …

Depth-variant maximum-likelihood restoration for three-dimensional fluorescence microscopy

C Preza, JA Conchello - JOSA A, 2004 - opg.optica.org
We derive an algorithm for maximum-likelihood image estimation on the basis of the
expectation-maximization (EM) formalism by using a new approximate model for depth …

Computational adaptive optics for live three-dimensional biological imaging

Z Kam, B Hanser, MGL Gustafsson… - Proceedings of the …, 2001 - National Acad Sciences
Light microscopy of thick biological samples, such as tissues, is often limited by aberrations
caused by refractive index variations within the sample itself. This problem is particularly …

Image deblurring method based on self-attention and residual wavelet transform

B Zhang, J Sun, F Sun, F Wang, B Zhu - Expert Systems with Applications, 2024 - Elsevier
The restoration technology of non-uniform blurred images is a challenging open topic. Most
of the existing algorithms fail to effectively fuse multi-scale feature extraction with a self …

Iterative methods for image restoration

S Berisha, JG Nagy - Academic Press Library in Signal Processing, 2014 - Elsevier
Although image restoration methods based on spectral filtering techniques are very efficient,
they can be applied only to problems with fairly simple spatially invariant blurring operators …

Fast iterative image restoration with a spatially varying PSF

JG Nagy, DP O'Leary - Advanced Signal Processing …, 1997 - spiedigitallibrary.org
We describe how to efficiently apply a spatially-variant blurring operator using linear
interpolation of measured point spread functions. Numerical experiments illustrate that …

Computerized adaptive imaging

Z Kam, JW Sedat, DA Agard, BM Hanser - US Patent 6,658,142, 2003 - Google Patents
Apparatus for computational adaptive imaging comprises the following: an image
information acquirer, Which provides informa tion relating to the refractive characteristics in a …

A computational method for the restoration of images with an unknown, spatially-varying blur

J Bardsley, S Jefferies, J Nagy, R Plemmons - Optics express, 2006 - opg.optica.org
In this paper, we present an algorithm for the restoration of images with an unknown,
spatially-varying blur. Existing computational methods for image restoration require the …