Method and apparatus for identifying documents

Details Method and apparatus for identifying documents Method and apparatus for identifying documents

2007-09-04

2007-09-04

Ahmed, Samir (Department: 2624)

Image analysis

Applications

Reading bank checks

C356S071000, C250S556000

Reexamination Certificate

active

10467659

ABSTRACT:
A method and apparatus for identifying a document (55). The method comprises exposing the document (55), such as a banknote, to infrared radiation; detecting infrared radiation reflected from a plurality of regions of the document (55) to generate at least one test pattern; determining if the or each test pattern satisfies a predetermined relationship with a predetermined pattern or patterns corresponding to a known document; and, if the predetermined relationship is satisfied, identifying the document (55) as being the same as the known document.

REFERENCES:
patent: 4127328 (1978-11-01), Gorgone et al.
patent: 4542829 (1985-09-01), Emery et al.
patent: 5875259 (1999-02-01), Mennie et al.
patent: 6980684 (2005-12-01), Munro et al.

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