01-11-2010, 04:02 PM
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Hidden Markov Models
Bonnie Dorr Christof Monz
CMSC 723: Introduction to Computational Linguistics
Hidden Markov Model (HMM)
HMMs allow you to estimate probabilities of unobserved events
Given plain text, which underlying parameters generated the surface
E.g., in speech recognition, the observed data is the acoustic signal and the words are the hidden parameters