Method and apparatus for currency discrimination

Details Method and apparatus for currency discrimination Method and apparatus for currency discrimination

1996-09-18

1998-10-13

Tran, Phuoc

Image analysis

Applications

Reading paper currency

382320, 382321, G06K 900

Patent

active

058224483

ABSTRACT:
An improved method of generating a master pattern corresponding to given denomination for use in a discrimination system capable of discriminating among currency bills of different denominations. The master pattern is stored in a memory for subsequent comparison to a pattern generated from a bill under test. The method comprises the steps of generating a plurality of component patterns for a given denomination by scanning a genuine bill of the given denomination and generating a master pattern for the given denomination. The master pattern is derived from an average of the component patterns. The component patterns represent and approximate analog amplitude variations in characteristic information detected from a genuine bill during scanning. Each of the component patterns comprises a plurality of sample values. Each sample value is proportional to the detected characteristic information.

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