Fast likelihood computation using hierarchical Gaussian shortlists

ICASSP, pp. 5122-5125, 2010.

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Keywords:
pattern clusteringfast likelihood computationspeech recognitionfeature space minimum phone errorhierarchical coarse-to-fine controlMore(19+)

Abstract:

We investigate the use of hierarchical Gaussian shortlists to speed up Gaussian likelihood computation. This approach is a combination of hierarchical Gaussian selection and standard Gaussian shortlists. First, all the Gaussians are clustered hierarchically. Then, for the Gaussians in each level of the hierarchy, shortlists are trained to...More

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