161 search results - page 9 / 33 » Adaptive Image Denoising by Mixture Adaptation |
VLSISP
1998
13 years 7 months ago
1998
In this paper, we present preliminary results comparing the nature of the errors introduced by the mixture of principal components (MPC) model with a wavelet transform and the Karh...
ICIP
2009
IEEE
13 years 5 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
2007
IEEE
14 years 1 months ago
2007
IEEE
Image model plays a critical role in recovering diagnosis-relevant information from noisy observation data. Unlike conventional denoising techniques based on local models, a patch...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
Directional information is an important component of both natural and synthetic images, and it is exploited in many image processing applications. Directional basis analysis is us...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We address the problem of denoising for image patches. The approach taken is based on Bayesian modeling of sparse representations, which takes into account dependencies between th...