Pattern recognition method

Details Pattern recognition method Pattern recognition method

1995-10-24

1998-08-11

Dorvil, Richemond

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704240, G10L 504

Patent

active

057941980

ABSTRACT:
One-dimensional normal distributions in respective dimensions of a continuous multi-dimensional normal distribution of each state of HMMs representing speech units mean and variance values are tied among similar one-dimensional distributions. As a result, the total number of normal distributions for representing the model is reduced without degrading recognition performance.

REFERENCES:
patent: 4783804 (1988-11-01), Juang et al.
patent: 5289562 (1994-02-01), Mizuta et al.
patent: 5390278 (1995-02-01), Gupta et al.
patent: 5459815 (1995-10-01), Aikawa et al.
patent: 5649056 (1997-07-01), Nitta

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