Device for recognizing an input pattern with approximate pattern

Details Device for recognizing an input pattern with approximate pattern Device for recognizing an input pattern with approximate pattern

1979-11-19

1981-03-17

Gruber, Felix D.

Boots, shoes, and leggings

364513, G10L 100

Patent

active

042569249

ABSTRACT:
In a speech recognition system which time-normalizes (i.e. aligns by time-warping) each pre-stored reference pattern of feature vectors b.sub.j before comparison with the input signal pattern vectors a.sub.i, an improved time-alignment technique requiring less calculation, by selecting "standard" vectors v.sub.m(j) which approximate the reference vectors thereby simplifying the derivation of the time-warp mapping function j=j(i).

REFERENCES:
patent: 3816722 (1974-06-01), Sakoe
patent: 3818443 (1974-06-01), Radcliffe
patent: 4027284 (1977-05-01), Hoshino et al.
patent: 4092493 (1978-05-01), Rabiner et al.
patent: 4173015 (1979-10-01), Owens et al.
H. Sakoe et al., "Dynamic Programming Algorithm etc.," IEEE Trans. Acoustics etc., Feb. 1978, pp. 43-49.
L. Pols, "Real Time Recognition of Spoken Words," IEEE Trans. on Computers, Sep. 1971, pp. 972-978.

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