A fast online algorithm for large margin training of continuous density hidden Markov models

@inproceedings{Cheng2009AFO,
  title={A fast online algorithm for large margin training of continuous density hidden Markov models},
  author={Chih-Chieh Cheng and Fei Sha and Lawrence K. Saul},
  booktitle={INTERSPEECH},
  year={2009}
}
We propose an online learning algorithm for large margin training of continuous density hidden Markov models. The online algorithm updates the model parameters incrementally after the decoding of each training utterance. For large margin training, the algorithm attempts to separate the log-likelihoods of correct and incorrect transcriptions by an amount proportional to their Hamming distance. We evaluate this approach to hidden Markov modeling on the TIMIT speech database. We find that the… CONTINUE READING
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