Title:
PATTERN IDENTIFICATION METHOD AND IDENTIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/059584
Kind Code:
A1
Abstract:
There are provided a pattern identification method and identification device capable of reducing the processing load to reduce the processing cost as well as reducing the device cost and size when performing identification of an object including a circular object by employing a method using an optical image. On output data based on the image data obtained by imaging the pattern on the surface of an object (coin, bill) (step S503), a selection window is arranged as a particular selection area on the surface of the object (step S505). By using the total value of the output data in the selection area, the feature amount of the image data is extracted (steps S506 to S509) and the pattern on the surface of the object is identified (steps S510 to S512).
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Inventors:
NAKAMURA HIROSHI (JP)
HOSON KEIJI (JP)
HOSON KEIJI (JP)
Application Number:
PCT/JP2003/016234
Publication Date:
July 15, 2004
Filing Date:
December 17, 2003
Export Citation:
Assignee:
SANKYO SEIKI SEISAKUSHO KK (JP)
NAKAMURA HIROSHI (JP)
HOSON KEIJI (JP)
NAKAMURA HIROSHI (JP)
HOSON KEIJI (JP)
International Classes:
G07D5/00; G07D7/12; G07D7/20; (IPC1-7): G07D7/00; G07D7/12
Foreign References:
| JP2000105846A | 2000-04-11 | |||
| JP2002074445A | 2002-03-15 | |||
| JPS59197987A | 1984-11-09 |
Attorney, Agent or Firm:
Kodaira, Shin (Shimosuwa-machi Suwa-gun, Nagano, JP)
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