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Scaled Gradient Projection Methods for Astronomical Imaging
Published online by Cambridge University Press: 13 March 2013
Abstract
We describe recently proposed algorithms, denoted scaled gradient projection (SGP) methods, which provide efficient and accurate reconstructions of astronomical images. We restrict the presentation to the case of data affected by Poisson noise and of nonnegative solutions; both maximum likelihood and Bayesian approaches are considered. Numerical results are presented for discussing the practical behaviour of the SGP methods.
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- Research Article
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- © EAS, EDP Sciences 2013
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