IDENTIFICATION DEVICE, IDENTIFICATION METHOD, IDENTIFICATION PROGRAM, AND COMPUTER READABLE MEDIUM CONTAINING IDENTIFICATION PROGRAM

Title:

IDENTIFICATION DEVICE, IDENTIFICATION METHOD, IDENTIFICATION PROGRAM, AND COMPUTER READABLE MEDIUM CONTAINING IDENTIFICATION PROGRAM

Document Type and Number:

WIPO Patent Application WO/2017/159608

Kind Code:

A1

Abstract:

By means of an anti-counterfeit medium in which the observed pattern of light changes with the light characteristics, i.e., characteristics of emitted light, this identification device performs authenticity determination of an article to which the anti-counterfeit medium has been attached, and is provided with: a similarity calculation unit which calculates the degrees of similarity between captured image data, captured of the anti-counterfeit medium in states in which the light characteristics of the emitted light are different, and correct image data corresponding to the aforementioned light characteristics; and an authenticity determination unit which, by determining whether or not the degree of similarity calculated for each light characteristic exceeds a threshold value set corresponding to each of said light characteristics, performs an authenticity determination of whether the anti-counterfeit medium is correct or not.

Inventors:

OKADA TAKASHI (JP)
MASUDA TOMOHITO (JP)
MIYAMOTO ERI (JP)
AONO KOTA (JP)
FUJITA SHOGO (JP)

Application Number:

PCT/JP2017/009947

Publication Date:

September 21, 2017

Filing Date:

March 13, 2017

Export Citation:

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Assignee:

TOPPAN PRINTING CO LTD (JP)

International Classes:

G07D7/1205; B42D25/30; B42D25/328; G07D7/005; G07D7/206

Foreign References:

JP2012037328A	2012-02-23
JP2014166695A	2014-09-11
JP2011131527A	2011-07-07
JP2010266647A	2010-11-25
JP2010262394A	2010-11-18

Other References: