Covariance-Preconditioned Iterative Methods for Nonnegatively Constrained Astronomical Imaging (Q5470518)
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scientific article; zbMATH DE number 5029289
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Covariance-Preconditioned Iterative Methods for Nonnegatively Constrained Astronomical Imaging |
scientific article; zbMATH DE number 5029289 |
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Covariance-Preconditioned Iterative Methods for Nonnegatively Constrained Astronomical Imaging (English)
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31 May 2006
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image restoration
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linear models
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preconditioning
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statistical methods
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weighted least squares
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numerical examples
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ill-conditioned linear systems
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nonnegativity constraint
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iterative methods
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steepest descent algorithm
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Richardson-Lucy algorithm
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astronomical imaging
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