41 search results - page 2 / 9 » Shrinkage estimation of high dimensional covariance matrices |
ALGORITHMICA
2006
13 years 4 months ago
2006
JMLR
2010
12 years 11 months ago
2010
Some online algorithms for linear classification model the uncertainty in their weights over the course of learning. Modeling the full covariance structure of the weights can prov...
DAGM
2000
Springer
13 years 9 months ago
2000
Springer
Abstract. In this paper we present di erent approaches to structuring covariance matrices within statistical classi ers. This is motivated by the fact that the use of full covarian...
TSP
2010
12 years 11 months ago
2010
We consider distributed estimation of a deterministic vector parameter from noisy sensor observations in a wireless sensor network (WSN). The observation noise is assumed uncorrela...
PRL
2007
13 years 4 months ago
2007
Abstract – In this paper we seek a Gaussian mixture model (GMM) of the classconditional densities for plug-in Bayes classification. We propose a method for setting the number of ...