57 search results - page 6 / 12 » Nonstationary Blind Image Restoration using Variational Meth... |
ISBI
2004
IEEE
14 years 10 months ago
2004
IEEE
We address the problem of restoration of images obtained through a scattering medium. We present an efficient quasimaximum likelihood blind deconvolution approach based on the fas...
ICVGIP
2008
13 years 11 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
2009
IEEE
13 years 7 months ago
2009
IEEE
This article introduces a best basis search algorithm in a nonstationary (NS) wavelet packets dictionary. It computes an optimized labeled quad-tree that indexes the filters used ...
ISBI
2004
IEEE
14 years 10 months ago
2004
IEEE
Ultrasound images are corrupted by a multiplicative noise, the speckle, which makes high level analysis difficult. Within each resolution cell a number of elementary scatterers re...
ICIP
2009
IEEE
14 years 10 months ago
2009
IEEE
Functional properties of living tissues appear in PET, whereas structural information at significantly higher resolution and better image quality is provided by other modalities, ...