On decomposition-based block preconditioned iterative methods for half-quadratic image restoration

DOI10.1016/J.CAM.2012.07.025zbMath1253.65027OpenAlexW2072701096WikidataQ113103587 ScholiaQ113103587MaRDI QIDQ455837

De-Yong Lu, Yu-Mei Huang

Publication date: 22 October 2012

Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cam.2012.07.025

zbMATH Keywords

numerical examplesimage processingfixed-point iterationNewton methodpreconditionerpreconditioned conjugate gradient methodimage restorationmatrix decompositionspectral boundshalf-quadratic regularization

Mathematics Subject Classification ID

Numerical aspects of computer graphics, image analysis, and computational geometry (65D18) Iterative numerical methods for linear systems (65F10) Preconditioners for iterative methods (65F08)

Related Items (2)

A restrictive preconditioner for the system arising in half-quadratic regularized image restoration ⋮ Improved block preconditioners for linear systems arising from half-quadratic image restoration

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