A restrictive preconditioner for the system arising in half-quadratic regularized image restoration

DOI10.1016/j.aml.2020.106916zbMath1464.65033OpenAlexW3112864561WikidataQ113104193 ScholiaQ113104193MaRDI QIDQ1996338

Yanyan Li

Publication date: 4 March 2021

Published in: Applied Mathematics Letters (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.aml.2020.106916

zbMATH Keywords

image restorationSchur complement methodhalf-quadratic regularizationrestrictive preconditioner

Mathematics Subject Classification ID

Numerical methods for inverse problems for integral equations (65R32) Preconditioners for iterative methods (65F08)

Related Items (1)

Practical RPCG methods for complex symmetric linear systems

Cites Work

• Nonlinear total variation based noise removal algorithms
• On decomposition-based block preconditioned iterative methods for half-quadratic image restoration
• Restrictive preconditioners for conjugate gradient methods for symmetric positive definite linear systems
• Block-Triangular Preconditioners for Systems Arising from Edge-Preserving Image Restoration
• Convex half-quadratic criteria and interacting auxiliary variables for image restoration
• Restrictively preconditioned conjugate gradient methods for systems of linear equations
• Analysis of Half-Quadratic Minimization Methods for Signal and Image Recovery
• Unnamed Item

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