Image analysis – Histogram processing – For setting a threshold
Patent
1989-06-02
1991-01-08
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 18, 382 46, G06K 932
Patent
active
049842803
ABSTRACT:
A bill discriminating apparatus including a detected data memory for temporarily storing data corresponding to at least one line of a bill photoelectrically detected by at least one scan of a photoelectrical detector, a control device for detecting the number of the detected data for each line of the bill to be stored in the detected data memory and detecting a condition of feeding based on the detected data of the first line of the bill to be stored in the detected data memory, a data count memory for storing the number of the detected data corresponding to each line of the bill detected by the control device, a bill feed condition memory for storing information detected by the control device and a detected pattern memory for storing the pattern of the bill based on the detected data stored in the detected data memory. The control device writes the detected data stored in the detected data memory in the detected pattern memory based on the number of the detected data corresponding to each line of the bill stored in the data count memory and the information stored in the bill feed condition memory so that rectangular patterns can be stored in the detected pattern memory.
REFERENCES:
patent: 4179685 (1979-12-01), O'Maley
patent: 4441205 (1984-04-01), Berkin et al.
patent: 4487306 (1984-12-01), Nao et al.
Boudreau Leo H.
Fox David
Laurel Bank Machines Co. Ltd.
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