Method and apparatus for character reading

Details Method and apparatus for character reading Method and apparatus for character reading

1979-07-05

1981-09-08

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

3401463MA, G06K 968

Patent

active

042887798

ABSTRACT:
A method for character reading requiring no character segmentation, which method effects required character recognition by the steps of subjecting a given string of character patterns to continuous scanning to produce either a local feature vector at each of the intersections of rows and columns of character patterns or a global feature vector for each of the columns formed in consequence of the scanning, linearly consolidating either or both of the feature vectors to obtain a lower dimensional vector in new feature axes and continuously matching the vectors with the standard ones set in advance.

REFERENCES:
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patent: 3297993 (1967-01-01), Clapper
patent: 3346845 (1967-10-01), Fomenko
patent: 3347981 (1967-10-01), Kagan et al.
patent: 3522586 (1970-08-01), Kiji et al.
patent: 3634823 (1972-01-01), Dietrich et al.
patent: 3723970 (1973-03-01), Stoller
patent: 3845466 (1974-10-01), Hong
patent: 3873972 (1975-03-01), Levine
patent: 4075604 (1978-02-01), Degasperi
patent: 4104616 (1978-08-01), Isshiki et al.

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