32 search results - page 5 / 7 » Bayesian Pursuit algorithm for sparse representation |
ICA
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. A nonparametric Bayesian extension of Independent Components Analysis (ICA) is proposed where observed data Y is modelled as a linear superposition, G, of a potentially i...
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
In the past decade there has been a great interest in a synthesis-based model for signals, based on sparse and redundant representations. Such a model assumes that the signal of i...
ICIP
2008
IEEE
14 years 1 months ago
2008
IEEE
In this work, we propose the use of sparse signal representation techniques to solve the problem of closed-loop spatial image prediction. The reconstruction of signal in the block...
TSP
2010
13 years 1 months ago
2010
This paper deals with the Bayesian signal denoising problem, assuming a prior based on a sparse representation modeling over a unitary dictionary. It is well known that the maximum...
CISS
2010
IEEE
12 years 10 months ago
2010
IEEE
Abstract—Compressive sampling (CS) has emerged as significant signal processing framework to acquire and reconstruct sparse signals at rates significantly below the Nyquist rate...