Image analysis – Histogram processing – For setting a threshold
Patent
1984-12-21
1987-06-30
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
194207, 209534, 271112, 235475, 356 71, 377 8, G06K 900
Patent
active
046776826
ABSTRACT:
A bill counting machine includes a holder for supporting bills thereon and suction heads for turning over the bills, one at a time, to count them. A projector is provided for emitting a ray of light onto the surface of each bill. A receptor is provided for detecting a ray of light reflected from the surface of the bill and for rectilinearly reading the surface pattern of the bill. The rectilinear reading allow judgments as to the denomination and obverse/reverse side of the bills.
REFERENCES:
patent: 3687448 (1972-08-01), Vora
patent: 3800155 (1974-03-01), Potenza
patent: 4114804 (1978-09-01), Jones et al.
patent: 4272067 (1981-06-01), Yoshida et al.
patent: 4323768 (1982-04-01), Uchida
patent: 4539702 (1985-09-01), Oka
patent: 4557597 (1985-12-01), Iwama
Hibari Eiko
Kagami Mitsuharu
Miyagawa Tuyoshi
Boudreau Leo H.
Couso Jose L.
Laurel Bank Machine Co. Ltd.
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