Character recognition method

Details Character recognition method Character recognition method

1985-09-16

1988-05-03

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 9, 382 10, 382 18, 382 30, 382 47, 382 48, 382 50, 358263, G06K 938

Patent

active

047425563

ABSTRACT:
A character recognition method comprising the steps of (1) acquiring a two dimensional array of pixels, (2) locating a character, (3) determining the size of the character, (4) reducing the number of pixels associated with the character by scaling it down to a smaller dot matrix and (5) thresholding the matrix dots using a histogram to form a binary character representation.

REFERENCES:
patent: 4326258 (1982-04-01), de la Guardia
patent: 4344146 (1982-08-01), Davis, Jr. et al.
patent: 4574393 (1986-03-01), Blackwell et al.
patent: 4610025 (1986-09-01), Blum et al.

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