Image analysis – Histogram processing – For setting a threshold
Patent
1989-03-28
1992-06-02
Moore, David K.
Image analysis
Histogram processing
For setting a threshold
382 38, 382 16, G06K 946
Patent
active
051194414
ABSTRACT:
An optical character recognition apparatus and method as a mask operation in conjunction with a decision tree process to provide fast recognition of multi-font alphanumeric characters on a document.
REFERENCES:
patent: 3723970 (1973-03-01), Stoller
patent: 3873972 (1975-03-01), Levine
patent: 3930231 (1975-12-01), Hendrichon
patent: 3969700 (1976-07-01), Bollinger
patent: 4003025 (1977-01-01), Hilliard
patent: 4034343 (1977-07-01), Wilmer
patent: 4075605 (1978-02-01), Hilley
patent: 4083034 (1978-04-01), Hicks
patent: 4097847 (1978-06-01), Forsen
patent: 4180799 (1979-12-01), Smith
patent: 4193056 (1980-03-01), Morita
patent: 4206442 (1980-06-01), Miyazaki
patent: 4251799 (1981-02-01), Jih
patent: 4376932 (1983-03-01), Cassada
patent: 4377803 (1983-03-01), Lotspiech
patent: 4379282 (1983-04-01), Bailey
patent: 4379283 (1983-04-01), Ito
patent: 4403340 (1983-09-01), Kumpf
patent: 4468809 (1984-08-01), Grabowski
patent: 4491960 (1985-01-01), Brown
patent: 4910787 (1990-03-01), Umeda
L. K. McMains et al., "Character Recognition Technique" IBM Technical Disclosure Bulletin, vol. 15, No. 1, Jun. 1972, pp. 15-17.
Lin Alan
Wang Wayne
Jung Yon
Moore David K.
Ricoh & Company, Ltd.
Ricoh Corporation
LandOfFree
Optical character recognition apparatus and method using masks o does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical character recognition apparatus and method using masks o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical character recognition apparatus and method using masks o will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2235905