@ARTICLE {411,
author={M. Bicego and V. Murino and M. A. T. Figueiredo},
doi={},
journal={Pattern Recognition Letters},
title={A sequential pruning strategy for the selection of the number of states in hidden Markov models},
year={2003},
month={June},
volume={24},
number={9-10},
pages={1405-1417},
ISSN={0167-8655}
}