Method and apparatus for processing embossed card

Details Method and apparatus for processing embossed card Method and apparatus for processing embossed card

1987-11-18

1989-07-04

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 66, 235448, 250555, G06K 900

Patent

active

048457701

ABSTRACT:
A method and apparatus for processing an embossed card on which embossed characters are formed. The apparatus performing the method by optically reading embossed characters and producing corresponding electrical signals. The produced corresponding electrical signals are then compared with characteristic data of a predetermined set of characters. From this comparison, identification of the embossed characters is determined.

REFERENCES:
patent: 3611292 (1971-10-01), Brown et al.
patent: 3627991 (1971-12-01), Beall et al.
patent: 3786238 (1974-01-01), Heisner
patent: 3814905 (1974-06-01), Lawrence et al.
patent: 3937928 (1976-02-01), Sasaki et al.
patent: 4020327 (1977-04-01), Geary et al.
patent: 4700078 (1987-10-01), Mizuno et al.
patent: 4727419 (1988-02-01), Yamada et al.
WO81/01764, Robert J. Thomas et al., "Document Reader", Jun. 25, 1981.
WO83/01853, Ram Nath Sahni, "Image Capturing Apparatus", May 26, 1983.

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