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Calcul de probabilités et estimation dans des modèles de Markov cachés graphiques

Jean-Baptiste Durand 1
1 MISTIS - Modelling and Inference of Complex and Structured Stochastic Systems
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology
Abstract : We show how to define a class of hidden Markov models based on graphical models. Efficient and numerically stable algorithms are derived, that allow to compute the smoothed probabilities involved in the EM algorithm for parameter estimation, and are based on intermediate quantities with explicit probabilistic interpretation.
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Submitted on : Monday, October 15, 2007 - 2:25:58 PM
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Long-term archiving on: : Sunday, April 11, 2010 - 11:02:13 PM

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Jean-Baptiste Durand. Calcul de probabilités et estimation dans des modèles de Markov cachés graphiques. 39èmes Journées de Statistique, Société Française de Statistique, Jun 2007, Angers, France. ⟨inria-00179396⟩

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