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Academic Press Library in Signal Processing by Sergios Theodoridis

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Chapter 7

Iterative Methods for Image Restoration

Sebastian Berisha and James G. Nagy,    Department of Mathematics and Computer Science, Emory University, Atlanta, GA, USA,    nagy@mathcs.emory.edu

Abstract

Although image restoration methods based on spectral filtering techniques are very efficient, they can be applied only to problems with fairly simple spatially invariant blurring operators. Iterative methods, however, are much more flexible; they can be very efficient for spatially invariant as well as spatially variant blurs, they can incorporate a variety of regularization techniques and boundary conditions, and they can more easily incorporate additional constraints, such as nonnegativity. This chapter describes a variety of iterative ...

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