Image reading or processing with ability to prevent copying of c

Details Image reading or processing with ability to prevent copying of c Image reading or processing with ability to prevent copying of c

1992-10-06

1995-06-20

Boudreau, Leo H.

Image analysis

Applications

Reading paper currency

355201, 382191, G06K 900, G03G 2100

Patent

active

054267102

ABSTRACT:
There is disclosed an apparatus for image reading or processing, that can precisely identify a particular pattern, such as of banknotes or securities faithful copying of which is to be prohibited. The apparatus is provided with a detecting unit for detecting positional information of an original image, and a discriminating unit for extracting the pattern data of a certain part of the original image and discriminating whether the original image is the predetermined image, based on the similarity between the pattern data and the predetermined pattern.

REFERENCES:
patent: 3942154 (1976-03-01), Akami et al.
patent: 4191940 (1980-03-01), Polcyn et al.
patent: 4547896 (1985-10-01), Ohtombe et al.
patent: 4812904 (1989-03-01), Maring et al.
patent: 5010580 (1991-04-01), Vincent et al.

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