대한전기학회논문지:시스템및제어부문D (The Transactions of the Korean Institute of Electrical Engineers D)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

데이터 매트릭스와 암호 키를 이용한 하이브리드 워터마킹 기법

Hybrid Watermarking Scheme using a Data Matrix and Cryptograph Key

  • 전성구 (강원대학교 제어계측공학과) ;
  • 김명동 (강원대학교 전기전자공학부) ;
  • 김일환 (강원대학교 전기전자공학부)
  • 발행 : 2006.09.01
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초록

In this paper we propose a new watermarking scheme using a data matrix and a cryptograph key. The data matrix of two-dimensional bar codes is a new technology capable of holding relatively large amounts of data compared to the conventional one-dimensional bar code. And a cryptograph key is used to prevent a watermark from malicious attacks. We encoded the copyright information into a data matrix bar code, and it was spread as a pseudo random pattern using the owner key. The experimental results show that the proposed scheme has good quality and is robust to various attacks, such as JPEG compression, filtering and resizing. Also the performance of the proposed scheme is verified by comparing the copyright information with the information which is extracted from the watermark.

키워드

참고문헌

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