정보통신설비학회논문지 (Journal of The Institute of Information and Telecommunication Facilities Engineering)

한국정보통신설비학회 (Korea Institute of Information and Telecommunication Facilities Engineering)
권호 표지

선택적 블록 삽입을 통한 H.264/AVC에서의 비디오 워터마킹 방법

Video Watermarking Scheme on H.264/AVC using Selective Block Embedding

  • 김정민 (고려대학교 정보보호대학원) ;
  • 최용수 (고려대학교 정보보호대학원) ;
  • 김형중 (고려대학교 정보보호대학원)
  • 투고 : 2011.03.02
  • 심사 : 2011.06.24
  • 발행 : 2011.06.30
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초록

This paper presents adaptive spread-spectrum watermarking scheme on the H.264/AVC video. The H.264/AVC has become popular video coding since it's compression performance has been improved greatly. That is why there is not enough space for embedding watermark using the spread-spectrum method. To overcome this problem, we propose selective block embedding scheme. The blocks which don't contain non-zero DCT (Discrete Cosine Transform) coefficients are selected by value. So we have enough space to embed watermarks. Experimental result shows that proposed scheme improves recovery rates of watermark about 12% and reduces distortion of watermarked video.

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