458 search results - page 6 / 92 » Distributed Covariance Estimation in Gaussian Graphical Mode... |
ICPR
2010
IEEE
14 years 15 days ago
2010
IEEE
—We present solutions to two problems that prevent the effective use of population-based algorithms in clustering problems. The first solution presents a new representation for ...
WCE
2007
13 years 8 months ago
2007
—One of main issues in point matching is the choice of the mapping function and the computation of its optimal hyperparameters. In this paper, we propose an attractive approach t...
ICONIP
2009
13 years 5 months ago
2009
It is generally assumed in the traditional formulation of supervised learning that only the outputs data are uncertain. However, this assumption might be too strong for some learni...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
This paper deals with the problem of under-determined convolutive blind source separation. We model the contribution of each source to all mixture channels in the time-frequency d...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
We address covariance estimation under mean-squared loss in the Gaussian setting. Specifically, we consider shrinkage methods which are suitable for high dimensional problems wit...