18 search results - page 1 / 4 » A subband adaptive iterative shrinkage thresholding algorith... |
TSP
2010
13 years 5 months ago
2010
We investigate a subband adaptive version of the popular iterative shrinkage/thresholding algorithm that takes different update steps and thresholds for each subband. In particular...
ICMCS
2006
IEEE
14 years 4 months ago
2006
IEEE
A new postprocessing method based on adjusted contourlet transform is introduced in this paper for suppressing blocking artifacts (BA) in block-based discrete cosine transform (BD...
CORR
2010
Springer
13 years 11 months ago
2010
Springer
Linear inverse problems are very common in signal and image processing. Many algorithms that aim at solving such problems include unknown parameters that need tuning. In this work...
ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
In this paper, we propose an acceleration technique of the adaptive filtering scheme called adaptive proximal forward-backward splitting method. For accelerating the convergence ...
TSP
2010
13 years 5 months ago
2010
We address covariance estimation in the sense of minimum mean-squared error (MMSE) when the samples are Gaussian distributed. Specifically, we consider shrinkage methods which are ...