Gaussian mixture model with an extended ultrametric covariance structure.

Carlo Cavicchia Maurizio Vichi Giorgia Zaccaria

Published in: Adv. Data Anal. Classif. (2022)

Keyphrases

gaussian mixture model
mixture model
covariance matrices
feature vectors
maximum likelihood
em algorithm
expectation maximization
gaussian distribution
speaker recognition
information retrieval
pattern recognition
gaussian mixture
gaussian mixture modeling
multiscale
unsupervised learning
covariance matrix