BAYESIAN IMAGE SUPERRESOLUTION AND HIDDEN VARIABLE MODELING
BAYESIAN IMAGE SUPERRESOLUTION AND HIDDEN VARIABLE MODELING
摘要
Superresolution is an image processing technique that estimates an original high-resolutionimage from its low-resolution and degraded observations.In superresolution tasks,there have beenproblems regarding the computational cost for the estimation of high-dimensional variables.Theseproblems are now being overcome by the recent development of fast computers and the developmentof powerful computational techniques such as variational Bayesian approximation.This paper reviewsa Bayesian treatment of the superresolution problem and presents its extensions based on hierarchicalmodeling by employing hidden variables.
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