1102 search results - page 7 / 221 » Density Estimation Using Mixtures of Mixtures of Gaussians |
60
Voted
CDC
2009
IEEE
15 years 2 months ago
2009
IEEE
— For the optimal approximation of multivariate Gaussian densities by means of Dirac mixtures, i.e., by means of a sum of weighted Dirac distributions on a continuous domain, a n...
ICASSP
2011
IEEE
14 years 1 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...
117
click to vote
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
In many applications non-stationary Gaussian or stationary nonGaussian noises can be observed. In this paper we present a maximum a posteriori estimation jointly of spectral ampli...
141
click to vote
Presentation
Presentation of the exponential families, of the mixtures of such distributions and how to learn it. We then present algorithms to simplify mixture model, using Kullback-Leibler di...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Tracking speakers is an important application in smart environments. Acoustic tracking using microphone arrays is a challenging task due to two major reasons: On the one hand, mul...