Ringing artifact reduction for Poisson MAP superresolution algorithms

The distribution of edge values for an image of a general scene often has a sharp peak with a long tail. This property, which can be well described by a Lorentzian probability function, has been used to introduce a correction term that reduces the ringing artifacts that are associated with the Poiss...

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Bibliographic Details
Published in:IEEE signal processing letters 1995-05, Vol.2 (5), p.83-84
Main Authors: Lettington, A.H., Qi He Hong
Format: Article
Language:English
Subjects:
Bandwidth
Convolution
Fourier transforms
Image resolution
Lagrangian functions
Layout
Optical diffraction
Optimization methods
Probability distribution
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Summary:The distribution of edge values for an image of a general scene often has a sharp peak with a long tail. This property, which can be well described by a Lorentzian probability function, has been used to introduce a correction term that reduces the ringing artifacts that are associated with the Poisson MAP superresolution methods.< >
ISSN:1070-9908
1558-2361
DOI:10.1109/97.386284