An iterative algorithm for linear inverse problems with compound regularizers

JM Bioucas-Dias… - 2008 15th IEEE …, 2008 - ieeexplore.ieee.org
In several imaging inverse problems, it may be of interest to encourage the solution to have
characteristics which are most naturally expressed by the combination of more than one …

[图书][B] A first course in optimization

CL Byrne - 2014 - books.google.com
Give Your Students the Proper Groundwork for Future Studies in Optimization A First Course
in Optimization is designed for a one-semester course in optimization taken by advanced …

[PDF][PDF] Iterative projection methods in biomedical inverse problems

Y Censor, A Segal - Mathematical methods in biomedical imaging and …, 2008 - Citeseer
The convex or quasiconvex feasibility problem and the split feasibility problem in the
Euclidean space have many applications in various fields of science and technology …

A proximal decomposition method for solving convex variational inverse problems

PL Combettes, JC Pesquet - Inverse problems, 2008 - iopscience.iop.org
A broad range of inverse problems can be abstracted into the problem of minimizing the sum
of several convex functions in a Hilbert space. We propose a proximal decomposition …

Stopping rules for Landweber-type iteration

T Elfving, T Nikazad - Inverse Problems, 2007 - iopscience.iop.org
We describe a class of stopping rules for Landweber-type iterations for solving linear inverse
problems. The class includes both the discrepancy principle (DP rule) and the monotone …

[图书][B] Handbook of mathematical methods in imaging

O Scherzer - 2010 - books.google.com
The Handbook of Mathematical Methods in Imaging provides a comprehensive treatment of
the mathematical techniques used in imaging science. The material is grouped into two …

Kullback proximal algorithms for maximum-likelihood estimation

S Chrétien, AO Hero - IEEE transactions on information theory, 2000 - ieeexplore.ieee.org
Accelerated algorithms for maximum-likelihood image reconstruction are essential for
emerging applications such as three-dimensional (3-D) tomography, dynamic tomographic …

[PDF][PDF] Iteratively Solving Linear Inverse Problems under General Convex Contraints

I Daubechies, G Teschke, L Vese - 2006 - opus4.kobv.de
We consider linear inverse problems where the solution is assumed to fulfill some general
homogeneous convex constraint. We develop an algorithm that amounts to a projected …

Tradeoffs between convergence speed and reconstruction accuracy in inverse problems

R Giryes, YC Eldar, AM Bronstein… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Solving inverse problems with iterative algorithms is popular, especially for large data. Due
to time constraints, the number of possible iterations is usually limited, potentially affecting …

The ordered subsets mirror descent optimization method with applications to tomography

A Ben-Tal, T Margalit, A Nemirovski - SIAM Journal on Optimization, 2001 - SIAM
We describe an optimization problem arising in reconstructing three-dimensional medical
images from positron emission tomography (PET). A mathematical model of the problem …