Pattern recognition system

Details Pattern recognition system Pattern recognition system

1984-05-18

1987-12-22

Kemeny, E. S. Matt

Boots, shoes, and leggings

381 43, G10L 500

Patent

active

047150041

ABSTRACT:
In speech recognition, an unknown input signal is analyzed for its feature pattern sequence A.sub.i which is compared to prestored reference patterns grouped in categories. Each category m has a representative reference pattern B.sup.m which represents the average value of the n patterns in the catagory B.sub.n.sup.m. A first comparison (prematching) to the representative patterns is followed by a second matching to the actual reference patterns in the most likely category. The representative pattern is used in pre-matching and matching, thereby simplifying calculation and increasing accuracy.

REFERENCES:
patent: 4516215 (1985-05-01), Hakaridani et al.
patent: 4559604 (1985-12-01), Ichikawa et al.
A Walsh-Hadamard Transform LSI for Speech Recognition--Ohga et al., pp. 263-270-IEEE Transactions on Consumer Electronics, Aug. 1982.

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