Optical character recognition system

Details Optical character recognition system Optical character recognition system

G - Physics

06

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354/59

G06K 5/00 (2006.01) G06K 7/00 (2006.01) G06K 9/00 (2006.01) G06K 9/32 (2006.01) G06K 9/68 (2006.01) G06K 11/00 (2006.01)

Patent

CA 1098210

?73562 TITLE OF THE INVENTION: OPTICAL CHARACTER RECOGNITION SYSTEM INVENTOR : MICHAEL E. WILMER DOCKET NO. L-2380 ABSTRACT OF THE DISCLOSURE An optical character recognition system for identifying typewritten characters and converting such to standard code for transmission. To achieve recognition of a character, the character, as it is scanned, is recorded in a corresponding array in memory and the memory address for each scan coordinate is then modified to correspond with the virtual character center. This coordinate center of the character is derived by inspection of the scanning array in parallel with the memory storing pass to determine the two adjacent all white rows and columns bounding the character. The coordinate center is then calculated by dividing the bounded row and column increment by two. The recognition of the character pattern is then performed by a set of Boolean discriminants selected to achieve the highest probability of in - character hits against a lowest probability of misses. Print fidelity, quantum misregistration and other character edge noise are filtered by selective OR-ing of test points along an axis having the highest incidence of noise. -1-

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