Image analysis – Histogram processing – For setting a threshold
Patent
1979-08-15
1984-04-10
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
209534, 235449, 382 64, G06K 708, B07C 500
Patent
active
044425414
ABSTRACT:
United States paper currency can be denomination sensed by a system for scanning a predetermined path along one surface and comparing the resultant scan against a standard for a particular denomination. Subsequently, it is determined whether the scanned currency is of a particular denomination or is questionable. The one surface can be an obverse surface of paper currency, the predetermined path of the obverse surface can be magnetically scanned; the scanning direction occurs along a major axis of the currency; and the scanned currency can be sorted in accordance with the determination. Various denominations can be determined at one time either in seriatim or in parallel. In a particular form, the denomination of United States Federal Reserve Notes are sensed by magnetically scanning at least three parallel predetermined paths of an obverse surface of a note to be denomination sensed, comparing the results of the scanning against a like plurality of standards for each of the various denominations of one, two, five, ten, twenty, fifty and one hundred dollars, and determining whether the scanned note is of such one, two, five, ten, twenty, fifty, one hundred dollar denominations or is questionable. The scanned Notes are sorted in accordance with the determination.
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Finkel Joel R.
Freudenthal William E.
Stoides John G.
Boudreau Leo H.
Fisher Fred
GTE Laboratories Incorporated
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