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Topic transition detection using hierarchical hidden Markov and semi-Markov models.
Dinh Q. Phung
Thi V. Duong
Svetha Venkatesh
Hung Hai Bui
Published in:
ACM Multimedia (2005)
Keyphrases
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markov models
markov model
maximum entropy
higher order
hidden markov models
transition probabilities
low order
hidden state
sequence classification
conditional random fields
computer vision
pairwise
markov chain
topic models
maximum likelihood
sequence prediction