Journal of Korea Society of Industrial Information Systems (한국산업정보학회논문지)

Korea Society of Industrial Information Systems (한국산업정보학회)
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A Code Authentication System of Counterfeit Printed Image Using Multiple Comparison Measures

다중 비교척도에 의한 영상 인쇄물 위조 감식 시스템

  • 최도영 (한밭대학교 멀티미디어공학과) ;
  • 김진수 (한밭대대학교 정보통신공학과)
  • Received : 2018.06.20
  • Accepted : 2018.08.17
  • Published : 2018.08.31
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Abstract

Currently, a large amount of printed matter associated with code authentication method are diffused widely, however, they have been reproduced with great precision and distributed successively in illegal ways. In this paper, we propose an efficient code authentication method which classifies authentic or counterfeit with smart-phone, effectively. The proposed method stores original image code in the server side and then extracts multiple comparison measures describing the original image. Based on these multiple measures, a code authentication algorithm is designed in such a way that counterfeit printed images may be effectively classified and then the recognition rate may be highly improved. Through real experiments, it is shown that the proposed method can improve the recognition rate greatly and lower the mis-recognition rate, compared with single measure method.

현재 정품인증을 위한 인쇄물이 다양한 제품에 활용되고 있지만, 고해상도로 정밀하게 재현한 위조 인쇄물이 불법적으로 끊임없이 유통되고 있는 실정이다. 본 논문에서는 정품 인쇄물과 위조 인쇄물을 스마트 폰으로 손쉽게 감식할 수 있는 효율적인 기법을 제시한다. 즉, 제안한 방법은 서버에 원본의 이미지를 저장하며, 이 원본의 이미지에 대한 다중 척도를 특징점으로 추출하여 저장하고, 이 다중 척도에 기초하여 위조 인쇄물이 효과적으로 감식될 수 있는 방법으로 설계되어진다. 다양한 실험을 통하여 제안한 방식은 단일 척도에 의한 위조품 감별 방식에 비해 인식률을 높이고, 오인식률을 낮추는 방식으로 성능이 개선됨을 보인다. 또한, 제안한 방식은 여러 종류의 디자인에 대해 안정적으로 우수한 성능을 보임을 확인한다.

Keywords

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