PARAMETER ESTIMATION IN TOTAL VARIATION BLIND DECONVOLUTION
European Signal Processing Conference(2008)
摘要
In this paper we present a methodology for parameter estimation in total variation (TV) blind deconvolution. By formulating the prob- lem in a Bayesian framework, the unknown image, blur and the model parameters are simultaneously estimated. The resulting al- gorithms provide approximations to the posterior distributions of the unknowns by utilizing variational distribution approximations. We show that some of the current approaches towards TV-based blind deconvolution are special cases of our formulation. Experi- mental results are provided to demonstrate the performance of the algorithms.
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关键词
convolution,deconvolution,image processing,parameter estimation,Bayesian framework,TV-based blind deconvolution,parameter estimation,posterior distributions,total variation blind deconvolution,
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