98 search results - page 1 / 20 » Gaussian Mixture Modeling by Exploiting the Mahalanobis Dist... |
TSP
2008
13 years 4 months ago
2008
In this paper, the expectation-maximization (EM) algorithm for Gaussian mixture modeling is improved via three statistical tests. The first test is a multivariate normality criteri...
ESANN
2004
13 years 6 months ago
2004
Abstract. The regularized Mahalanobis distance is proposed in the framework of finite mixture models to avoid commonly faced numerical difficulties encountered with EM. Its princip...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Exploiting prior knowledge, we use Bayesian estimation to localize a source heard by a fixed sensor network. The method has two main aspects: Firstly, the probability density fun...
IWANN
2005
Springer
13 years 10 months ago
2005
Springer
In many practical applications, the data is organized along a manifold of lower dimension than the dimension of the embedding space. This additional information can be used when le...
ICIP
2007
IEEE
14 years 6 months ago
2007
IEEE
It has been recently discovered that a faithful representation for the shape of some simple distributions can be constructed using invariant statistics [1, 2]. In this paper, we c...