Bayesian estimation of regularization and PSF parameters for Wiener-Hunt deconvolution

Details Bayesian estimation of regularization and PSF parameters for Wiener-Hunt deconvolution Bayesian estimation of regularization and PSF parameters for Wiener-Hunt deconvolution

2010-04-30

arxiv.org/abs/1004.5538v1

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This paper tackles the problem of image deconvolution with joint estimation of PSF parameters and hyperparameters. Within a Bayesian framework, the solution is inferred via a global a posteriori law for unknown parameters and object. The estimate is chosen as the posterior mean, numerically calculated by means of a Monte-Carlo Markov chain algorithm. The estimates are efficiently computed in the Fourier domain and the effectiveness of the method is shown on simulated examples. Results show precise estimates for PSF parameters and hyperparameters as well as precise image estimates including restoration of high-frequencies and spatial details, within a global and coherent approach.

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