Hidden Markov chain estimation and parameterisation via ICA-based feature-selection.

David Windridge Richard Bowden Hidden Markov chain estimation and parameterisation via ICA-based feature-selection. 115-124 2005 8 Pattern Anal. Appl. 1-2 http://dx.doi.org/10.1007/s10044-005-0249-2 db/journals/paa/paa8.html#WindridgeB05