| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an authentication system achievable with a simple device configuration, which is capable of authenticating the originality of an object with a sign or the like attached thereto, making counterfeit extremely difficult even when the mechanism of authenticity determination is determined.SOLUTION: A registration device for authentication acquires a registration image as an image to be authenticated, and acquires color information of each predetermined region as a region with a predetermined size composed of one or more pixels in the registration image, and determines difference between the color information of each of a plurality of predetermined regions in the registration image and the color information of one or more predetermined regions located in the periphery of each predetermined region, and determines a plurality of feature points from among the plurality of predetermined regions in the registration image on the basis of the determination result, and acquires luminance information of each predetermined region in the registration image, and determines the luminance information of each feature point and the luminance vector of each feature point, and stores each feature point and a difference between the color information of each feature point and the luminance vector of each feature point in association.</p> |
