Matrix character preprocessing system

Details Matrix character preprocessing system Matrix character preprocessing system

1981-12-17

1984-06-26

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 48, G06K 932

Patent

active

044570155

ABSTRACT:
A system for processing data used by a recognition system in recognizing an unknown character. A multi-channel read member generates a plurality of parallel rows of data bits which taken together form an image of the character to be recognized. In order to align the rows of data in their proper relationship, each row of data bits is examined to determine if the row contains data representing a feature characteristic of the unknown character or a clear channel. The top row of the character is selected as the first row of data bits representing a feature characteristic of the character which follows the largest number of consecutive clear channel rows. The top two rows of the character are then compared. The row having the greatest number of feature characteristic data bits is selected as the top row of the character. Signals identifying the top row of the character are generated for us by a recognition apparatus in recognizing the unknown character from the rows of data bits generated.

REFERENCES:
patent: 4136332 (1979-01-01), Kadota et al.

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