801 search results - page 75 / 161 » Estimating Likelihoods for Topic Models |
116
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MICCAI
2009
Springer
16 years 1 months ago
2009
Springer
We present a novel fuzzy region-based hidden Markov model (frbHMM) for unsupervised partial-volume classification in brain magnetic resonance images (MRIs). The primary contributio...
ACIVS
2006
Springer
15 years 6 months ago
2006
Springer
In this paper we propose the use of Discrete Choice Analysis (DCA) for static facial expression classification. Facial expressions are described with expression descriptive units ...
116
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ICML
2006
IEEE
16 years 1 months ago
2006
IEEE
We consider the problem of fitting a large-scale covariance matrix to multivariate Gaussian data in such a way that the inverse is sparse, thus providing model selection. Beginnin...
115
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CORR
2010
Springer
15 years 23 days ago
2010
Springer
We analyze the structure and evolution of discussion cascades in four popular websites: Slashdot, Barrapunto, Meneame and Wikipedia. Despite the big heterogeneities between these ...
ICIP
2002
IEEE
16 years 2 months ago
2002
IEEE
We describe a method for inferring tree-like vascular structures from 2D imagery. A Markov Chain Monte Carlo (MCMC) algorithm is employed to produce approximate samples from the p...