Title :
An automatic acquisition method of statistic finite-state automaton for sentences
Author :
Suzuki, Motoyuki ; Makino, Shozo ; Aso, Hirotomo
Author_Institution :
Comput. Center, Tohoku Univ., Sendai, Japan
Abstract :
Statistic language models obtained from a large number of training samples play an important role in speech recognition. In order to obtain higher recognition performance, we should introduce long distance correlations between words. However, traditional statistic language models such as word n-grams and ergodic HMMs are insufficient for expressing long distance correlations between words. We propose an acquisition method for a language model based on HMnet taking into consideration long distance correlations and word location
Keywords :
correlation methods; finite automata; hidden Markov models; natural languages; speech recognition; statistical analysis; HMnet; artificial language; automatic acquisition method; ergodic HMM; language model; long distance correlations; natural language; recognition performance; sentences; speech recognition; statistic finite-state automaton; statistic language models; training samples; word location; word n-grams; Automata; Automatic speech recognition; Dictionaries; Hidden Markov models; Natural languages; Probability distribution; Speech recognition; State estimation; Statistics;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1999. Proceedings., 1999 IEEE International Conference on
Conference_Location :
Phoenix, AZ
Print_ISBN :
0-7803-5041-3
DOI :
10.1109/ICASSP.1999.759772