A general extending and constraining procedure for linear iterative methods

DOI10.1080/00207160.2011.634002zbMath1256.65027OpenAlexW2136227112MaRDI QIDQ2887035

Christoph Schnörr, Stefania Petra, Constantin Popa, Aurelian Nicola

Publication date: 15 May 2012

Published in: International Journal of Computer Mathematics (Search for Journal in Brave)

Full work available at URL: http://archiv.ub.uni-heidelberg.de/volltextserver/9761/1/BIT_31_07_09.pdf

zbMATH Keywords

convergencenumerical experimentscomputerized tomographyrow-action methodsalgebraic reconstruction techniqueshard thresholding operatorCimmino algorithminconsistent least-squares problemsconstraining strategiesimage-reconstructionsimultaneous reflection method

Mathematics Subject Classification ID

Ill-posedness and regularization problems in numerical linear algebra (65F22) Numerical aspects of computer graphics, image analysis, and computational geometry (65D18) Image processing (compression, reconstruction, etc.) in information and communication theory (94A08) Iterative numerical methods for linear systems (65F10)

Related Items (2)

Constraining by a family of strictly nonexpansive idempotent functions with applications in image reconstruction ⋮ Family constraining of iterative algorithms

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