Title:
COIN IDENTIFICATION APPARATUS, COIN PROCESSING APPARATUS, AND COIN IDENTIFICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/181197
Kind Code:
A1
Abstract:
This coin identification apparatus has: a line sensor that detects line image data relating to a currently conveyed coin that is to be identified; an acquisition unit that acquires the line image data at a prescribed sampling interval; an estimation unit that calculates the similarity between the acquired line image data and reference line data that is for each angle and that is a part of reference pattern image data indicating a coin having a reference pattern, for each of the acquired line image data sets, and estimates the rotary angle of the coin to be identified on the basis of the calculated similarity; a correction unit that corrects the line image data on the basis of the estimated rotary angle; and an identification unit that identifies the coin to be identified on the basis of the corrected line image data.
Inventors:
OBA YOSUKE (JP)
TAKAHASHI MASATAKA (JP)
TAKAHASHI MASATAKA (JP)
Application Number:
PCT/JP2018/012183
Publication Date:
October 04, 2018
Filing Date:
March 26, 2018
Export Citation:
Assignee:
LAUREL PREC MACHINES CO LTD (JP)
International Classes:
G07D5/02; G06T7/60; G06V10/44
Foreign References:
| JP2001195627A | 2001-07-19 | |||
| JP2002170105A | 2002-06-14 | |||
| JPH09231432A | 1997-09-05 | |||
| JP2003196699A | 2003-07-11 | |||
| JP2006262956A | 2006-10-05 | |||
| JP2017070654A | 2017-04-13 | |||
| JP2015102894A | 2015-06-04 | |||
| JP3170147B2 | 2001-05-28 |
Other References:
See also references of EP 3605478A4
Attorney, Agent or Firm:
OIKAWA Shu et al. (JP)
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