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A simulation based algorithm for optimal quantization of hidden Markov models

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2 Author(s)
Tadic, Vladislav B. ; Dept. of Electr. Eng., Melbourne Univ., Parkville, Vic., Australia ; Doucet, Arnaud

A general problem of multilevel scalar quantization of hidden Markov models is considered. An algorithm for the optimal selection of the quantization levels is proposed and its asymptotic behavior is analyzed theoretically and through simulations. The proposed algorithm is based on stochastic approximation and Monte Carlo gradient estimation.

Published in:

Information Theory, 2003. Proceedings. IEEE International Symposium on

Date of Conference:

29 June-4 July 2003