84 search results - page 4 / 17 » Bayesian Restoration of Noisy Images with the EM Algorithm |
TIP
2008
13 years 5 months ago
2008
Image priors based on products have been recognized to offer many advantages because they allow simultaneous enforcement of multiple constraints. However, they are inconvenient for...
ICPR
2000
IEEE
14 years 6 months ago
2000
IEEE
The deconvolution of blurred and noisy satellite images is an ill-posed inverse problem, which can be regularized within a Bayesian context by using an a priori model of the recon...
ICVGIP
2008
13 years 6 months ago
2008
A novel nonlinear cooperative approach to image denoising and restoration is presented. Samples from the image field with similar characteristics are first grouped into clusters b...
ICIP
2004
IEEE
14 years 7 months ago
2004
IEEE
We consider the problem of extracting clean images from noisy mixtures of images degraded by blur operators. This special case of source separation arises, for instance, when anal...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
In this paper we propose two fast Total Variation (TV) based algorithms for image restoration by utilizing variational posterior distribution approximation. The unknown image and ...