18 search results - page 2 / 4 » A subband adaptive iterative shrinkage thresholding algorith... |
SIAMIS
2011
12 years 11 months ago
2011
The convergence rate is analyzed for the sparse reconstruction by separable approximation (SpaRSA) algorithm for minimizing a sum f(x) + ψ(x), where f is smooth and ψ is convex, ...
MA
2010
Springer
13 years 3 months ago
2010
Springer
Abstract: This paper deals with the problem of multivariate copula density estimation. Using wavelet methods we provide two shrinkage procedures based on thresholding rules for whi...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
In this paper we propose a novel corner detection algorithm using local adaptive thresholding and iterative approaching. First, a new metric is defined to measure the saliency of ...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
The main contribution presented here is an adaptive/unsupervised iterative thresholding algorithm for sparse representation of signals which can be modeled as the sum of two compo...
ISBI
2007
IEEE
13 years 11 months ago
2007
IEEE
We present a modified version of the deconvolution algorithm introduced by Figueiredo and Nowak, which leads to a substantial acceleration. The algorithm essentially consists in ...