The Journal of the Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회논문지)

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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Enhanced Image Encryption Scheme using Context Adaptive Variable Length Coding

적응 산술 부호화를 이용한 고화질 영상 암호화 전략

  • Shim, Gab-Yong (Center for Advanced Image and Information Technology, Chonbuk National University) ;
  • Lee, Malrey (Center for Advanced Image and Information Technology, Chonbuk National University)
  • 심갑용 (전북대학교 영상정보신기술연구센터) ;
  • 이말례 (전북대학교 영상정보신기술연구센터)
  • Received : 2013.05.16
  • Accepted : 2013.06.14
  • Published : 2013.06.30
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Abstract

Achieve real-time encryption and video data transcoding, current video encryption methods usually integrate encryption algorithm with video compression course. This paper is devoted to discussing the video encryption technology, by encrypting to avoid unauthorized person getting video data. This paper studied the H.264 entropy coding and proposed of CAVLC video encryption scheme which is combined with the process of entropy coding of H.264 CAVLC encryption scheme. Three encryption levels are proposed. In addition, a scrambling method is also proposed which makes the encrypted frames more robust in anti crack. This method showed more robust video data encryption function and compressive rate.

실시간 부호 매김과 비디오데이터 부호화 변환을 위한 비디오 부호화 방법은 비디오 압축 과정을 가진 통합 부호화 기법을 사용한다. 본 연구에서는 접근이 허용되지 않은 비디오 데이터를 가진 사람이 접근을 하지 못하도록 비디오 데이터 부호화 기법에 대해서 연구 하였다. H.264 엔트로피 코딩에 대한 연구와 H.264 CAVLC 부호화 방법을 이용하여 진보된 비디오 부호화 알고리즘에 대한 연구이다. 특히 보다 더 강한 보안 부호화 프레임을 만들기 위하여 혼합 알고리즘을 제안하였다. 제안한 방법은 비디오 데이터 암호화 기능과 압축률이 호전됨을 실험을 통하여 알 수 있었다.

Keywords

References

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