Communications: electrical – Digital comparator systems
Patent
1980-02-21
1981-09-29
Boudreau, Leo H.
Communications: electrical
Digital comparator systems
3401463AC, 3401463MA, G06K 934
Patent
active
042926220
ABSTRACT:
A system for processing digitized scan data representative of an image including at least one line of symbols. The system processes the scan data to identify bits including at least one line of symbols representative of horizontal line segments in the image which have a minimum predetermined length in the horizontal direction. Underline tag signals are generated which are representative of those identified horizontal line segments which lie below text characters in the line of symbols being processed. The system further processes the scan data to filter, or remove, all of the bits representative of horizontal line segments to provide a character data signal, where the character data signal is representative of the line of symbols with the predetermined length horizontal lines stripped away. The system then processes the character signals to identify the various text characters, and to generate character signals representative of those identified characters. The system then associates the underline tag signals with the corresponding character signals.
REFERENCES:
patent: 3201752 (1965-08-01), Rabinow
patent: 3264610 (1966-08-01), Rabinow
patent: 3786416 (1974-01-01), Bhimani
patent: 4158835 (1979-06-01), Miura et al.
Kuckein, "Index-Mark Detector", IBM Tech. Disclosure Bulletin, vol. 15, No. 3, Aug. 1972. pp. 747-748.
Kerchmar, "Fraction Detection Logic", IBM Tech. Disc. Bulletin, vol. 15, No. 5, Oct. 1972, p. 1488.
Boudreau Leo H.
Hendrix Electronics, Inc.
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