55 search results - page 2 / 11 » Image denoising with complex ridgelets |
ICIP
2009
IEEE
13 years 3 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 ...
TSP
2010
12 years 12 months ago
2010
In this paper, we propose the complex Gaussian scale mixture (CGSM) to model the complex wavelet coefficients as an extension of the Gaussian scale mixture (GSM), which is for real...
JMLR
2010
13 years 2 days ago
2010
A successful class of image denoising methods is based on Bayesian approaches working in wavelet representations. The performance of these methods improves when relations among th...
ICIP
2005
IEEE
13 years 11 months ago
2005
IEEE
We present in this paper new multiscale transforms on the sphere, namely the isotropic undecimated wavelet transform, the pyramidal wavelet transform, the ridgelet transform and t...
ICIP
2003
IEEE
14 years 6 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...