Frequency line tracking using hidden Markov models. - Roy L. Streit; Ross F. Barrett (IEEE Trans. Acoust. Speech Signal Process., 1990)

Frequency tracking using hidden Markov models with amplitude and phase information. - Ross F. Barrett; David A. Holdsworth (IEEE Trans. Signal Process., 1993)

The estimation and HMM tracking of weak narrowband signals. - Barry G. Quinn; Ross F. Barrett; Stephen J. Searle (ICASSP (4), 1994)