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A variational Bayesian methodology for hidden Markov models utilizing Student's-t mixtures.

Sotirios ChatzisDimitrios I. Kosmopoulos
Published in: Pattern Recognit. (2011)
Keyphrases
  • hidden markov models
  • variational bayesian
  • expectation maximization
  • factor analysis
  • matrix factorization
  • incomplete data
  • exponential family
  • conditional random fields
  • em algorithm
  • machine learning