232 search results - page 13 / 47 » A Non-Local Algorithm for Image Denoising |
CVPR
2011
IEEE
13 years 4 months ago
2011
IEEE
The goal of natural image denoising is to estimate a clean version of a given noisy image, utilizing prior knowledge on the statistics of natural images. The problem has been stud...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
The widely used denoising algorithms based on nonlinear diffusion, such as Perona-Malik and total variation denoising, modify images toward piecewise constant functions. Though ed...
ICVGIP
2008
13 years 9 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...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
This paper presents a new approach to demosaicing of spatially sampled image data observed through a color filter array, in which properties of Smith-Barnwell filterbanks are empl...
CVPR
2006
IEEE
14 years 10 months ago
2006
IEEE
Shrinkage is a well known and appealing denoising technique. The use of shrinkage is known to be optimal for Gaussian white noise, provided that the sparsity on the signal's ...