209 search results - page 22 / 42 » Statistical Compressed Sensing of Gaussian Mixture Models |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this study, we investigate online Bayesian estimation of the measurement noise density of a given state space model using particle filters and Dirichlet process mixtures. Diri...
TSP
2011
13 years 2 months ago
2011
—In this paper, a novel algorithm to blindly separate an instantaneous linear underdetermined mixture of nonstationary sources is proposed. It means that the number of sources ex...
BIOID
2008
13 years 9 months ago
2008
Abstract. Gabor filters have demonstrated their effectiveness in automatic face recognition. However, one drawback of Gabor-based face representations is the huge amount of data th...
ISCAS
2005
IEEE
14 years 1 months ago
2005
IEEE
Abstract— We consider the problem of improving the performance of multiwavelets-based image coders through texture parametrization. Texture parametrization is designed to achieve...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
Resolution enhancement for video sequences has always been an attractive application in multimedia signal processing. "Superresolution" methods, that combine non-redunda...