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ML parameter estimation of a multiscale stochastic process using the EM algorithm

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5 Author(s)
A. Kannan ; Nuance Commun., Menlo Park, CA, USA ; M. Ostendorf ; W. C. Karl ; D. A. Castanon
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An algorithm for estimation of the parameters of a multiscale stochastic process based on scale-recursive dynamics on trees is presented. The expectation-maximization algorithm is used to provide maximum likelihood estimates for the general case of a nonhomogeneous tree with no fixed structure for the process dynamics. Experimental results are presented using synthetic data

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IEEE Transactions on Signal Processing  (Volume:48 ,  Issue: 6 )