Journal of the Institute of Electronics Engineers of Korea CI (전자공학회논문지CI)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Detection of Colluded Multimedia Fingerprint by Neural Network

신경회로망에 의한 공모된 멀티미디어 핑거프린트의 검출

  • Noh Jin-Soo (Dept. of electronic Engineering, Chosun University) ;
  • Rhee Kang-Hyeon (Dept. of electronic Engineering, Chosun University)
  • Published : 2006.07.01
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Abstract

Recently, the distribution and using of the digital multimedia contents are easy by developing the internet application program and related technology. However, the digital signal is easily duplicated and the duplicates have the same quality compare with original digital signal. To solve this problem, there is the multimedia fingerprint which is studied for the protection of copyright. Fingerprinting scheme is a techniques which supports copyright protection to track redistributors of electronic inform on using cryptographic techniques. Only regular user can know the inserted fingerprint data in fingerprinting schemes differ from a symmetric/asymmetric scheme and the scheme guarantee an anonymous before recontributed data. In this paper, we present a new scheme which is the detection of colluded multimedia fingerprint by neural network. This proposed scheme is consists of the anti-collusion code generation and the neural network for the error correction. Anti-collusion code based on BIBD(Balanced Incomplete Block Design) was made 100% collusion code detection rate about the average linear collusion attack, and the hopfield neural network using (n,k)code designing for the error bits correction confirmed that can correct error within 2bits.

최근 인터넷 응용 프로그램과 관련 기술의 발전에 따라 디지털 멀티미디어 콘텐츠의 보급과 사용이 쉬워지고 있다. 디지털 신호는 복제가 용이하고 복제된 신호는 원신호와 동일한 품질을 갖는다. 이러한 문제점을 해결하고 저작권 보호를 위해 멀티 미디어 핑거프린트가 연구되어지고 있다. 핑거프린팅 기법은 암호학적인 기법들을 이용하여 디지털 데이타를 불법적으로 재배포한 사용자를 찾아냄으로써 디지털 데이타의 저작권을 보호한다. 핑거프린팅 기법은 대칭적이나 비대칭적인 기법과 달리 사용자만이 핑거프린트가 삽입된 데이타를 알 수 있고 데이타가 재배포되기 전에는 사용자의 익명성이 보장되는 기법이다. 본 논문에서는 신경회로망에 의한 공모된 멀티미디어 핑거프린트의 검출 알고리즘을 제안한다. 제안된 알고리즘은 불법공모방지 코드 생성과 에러정정을 위한 신경회로망으로 구성되어 있다. BIBD(Balance Incomplete Block Design) 기반의 불법공모방지 코드는 평균화 선형 공모공격에 대해 100% 공모코드 검출이 이루어졌으며, 에러비트 정정을 위해 (n,k)코드를 사용한 홉필드 신경회로망은 2비트 이내의 에러비트를 정정할 수 있음을 확인하였다.

Keywords

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