619 search results - page 38 / 124 » Experimental Evaluation of Hierarchical Hidden Markov Models |
CVPR
2007
IEEE
16 years 4 months ago
2007
IEEE
In this paper, we introduce the semantic network model (SNM), a generalization of the hidden Markov model (HMM) that uses factorization of state transition probabilities to reduce...
116
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ICAPR
2005
Springer
15 years 7 months ago
2005
Springer
Abstract. This paper addresses the clustering problem of hidden dynamical systems behind observed multivariate sequences by assuming an interval-based temporal structure in the seq...
133
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ICMCS
2005
IEEE
15 years 7 months ago
2005
IEEE
In this work we present a novel multi-modal mixed-state dynamic Bayesian network (DBN) for robust meeting event classification. The model uses information from lapel microphones,...
107
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AAAI
2000
15 years 3 months ago
2000
Recent research has demonstrated the strong performance of hidden Markov models applied to information extraction--the task of populating database slots with corresponding phrases...
123
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ICML
2005
IEEE
16 years 2 months ago
2005
IEEE
We present a directed Markov random field (MRF) model that combines n-gram models, probabilistic context free grammars (PCFGs) and probabilistic latent semantic analysis (PLSA) fo...