2600 search results - page 246 / 520 » Clustering with or without the Approximation |
154
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ICASSP
2010
IEEE
15 years 6 months ago
2010
IEEE
Nonnegative matrix factorization (NMF) is a widely-used tool for obtaining low-rank approximations of nonnegative data such as digital images, audio signals, textual data, financ...
188
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ICASSP
2010
IEEE
15 years 6 months ago
2010
IEEE
In this paper we revise the penalty term of the Bayesian Information Criterion (BIC). Based on our previous approach to penalize each cluster only with its corresponding effective...
193
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CSDA
2010
15 years 6 months ago
2010
We consider mixtures of parametric densities on the positive reals with a normalized generalized gamma process (Brix, 1999) as mixing measure. This class of mixtures encompasses t...
216
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CORR
2006
Springer
15 years 6 months ago
2006
Springer
Given a sample from a probability measure with support on a submanifold in Euclidean space one can construct a neighborhood graph which can be seen as an approximation of the subm...
175
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IJAR
2006
15 years 6 months ago
2006
In this paper we present a multi-scale method based on the hybrid notion of rough fuzzy sets, coming from the combination of two models of uncertainty like vagueness by handling r...