The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Robust Watermark System for MPEG-2 Video Against Geometric and Bitrate Varying Attacks

기하학적 공격 및 비트율 변화 공격에 강한 MPEG-2 동영상 워터마크 시스템 개발

  • 황선철 (인덕대학 방송영상미디어학과)
  • Received : 2010.06.15
  • Accepted : 2010.07.30
  • Published : 2010.09.01
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Abstract

This paper describes a watermarking system that has the robust characteristics against the geometric attacks of resizing and the bitrate varying attacks. While the existing watermark methods of marking on AC in DCT coefficients are weak against the geometric attacks, the methods of tiny increasing the DC in DCT coefficients and the system implementations are suggested in this paper. We measure the differences between the original images and the watermarked images and the detecting rate from the geometric and bitrate attacked images. Results of experiments show that our method is robust against that attacks.

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References

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