189 search results - page 25 / 38 » Estimating the Intrinsic Dimension of Data with a Fractal-Ba... |
ICCSA
2009
Springer
15 years 4 months ago
2009
Springer
Variational data assimilation consists in estimating control parameters of a numerical model in order to minimize the misfit between the forecast values and some actual observatio...
115
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BMCBI
2004
14 years 9 months ago
2004
Background: High-density oligonucleotide microarray technology enables the discovery of genes that are transcriptionally modulated in different biological samples due to physiolog...
79
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ICPR
2006
IEEE
15 years 10 months ago
2006
IEEE
Analysis of video data usually requires training classifiers in high dimensional feature spaces. This paper proposes a layered Gaussian mixture model (LGMM) to exploit high dimens...
83
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CORR
2010
Springer
14 years 9 months ago
2010
Springer
Given data drawn from a mixture of multivariate Gaussians, a basic problem is to accurately estimate the mixture parameters. We give an algorithm for this problem that has running ...
CSDA
2010
14 years 9 months ago
2010
We study a general algorithm to improve accuracy in cluster analysis that employs the James-Stein shrinkage effect in k-means clustering. We shrink the centroids of clusters towar...