Benefit of Maximum Likelihood Linear Transform (MLLT) Used at Different Levels of Covariance Matrices Clustering in ASR Systems.

Josef V. Psutka

Published in: TSD (2007)

Keyphrases

maximum likelihood
covariance matrices
covariance matrix
gaussian distribution
em algorithm
data points
expectation maximization
unsupervised learning
gaussian mixture model
principal component analysis
computer vision
subband
vector space
multiresolution
cluster analysis
multiscale
image processing