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A Wavelet-Based Video Watermarking Approach Robust to Re-encoding

유길상    (중앙대학교 첨단영상대학원 영상공학과 영상콘텐츠보호 연구실   ); 이원형    (중앙대학교 첨단영상대학원 영상공학과 영상콘텐츠보호 연구실  );
  • 초록

    We present in this paper a method of digital watermarking for video data based on the discrete wavelet transform. In the proposed method, a watermark signal is inserted into the decompressed bitstream while detection is performed using the uncompressed video. This method allows detection if video has been manipulated or its format changed. We embed the watermark in the lowest frequency components of each frame in the un-coded video by using wavelet transform. The watermark can be extracted directly from the decoded video without access to the original video. Experimental results show that the proposed method gives the watermarked video of better quality and is robust against MPEG coding, down sampling and re-encoding to other type of video format such as MPEG4, H.264


  • 주제어

    Wavelet .   Watermarking .   Encoding .   Video .   MPEG .   DWT.  

  • 참고문헌 (12)

    1. Dima Profrock, Mathias Schlauweg, Erika Muller., "A new uncompressed-domain video watermarking approach robust to H.264/AVC compression," 4th IASTED international conference on Signal processing, pattern recognition, and applications table of contents, pp. 99-104, 2006 
    2. E. Lin and E. Delp, "Temporal synchronization in video watermarking," in Proc. SPIE Security and Watermarking of Multimedia Contents IV, vol. 4675, San Jose, CA, pp. 478-490, Jan. 21.24 2002 
    3. David Sarnoff Research Center, Inc., ftp://ftp.tek.com/tv/test/streams/Element\\/index.html 
    4. Gerrit C. Langelaar, Reginald L, Lagendijk and Jan Biemond, "Real-time Labeling Methods for MPEG Compressed Video," Proceeding of 18'th Symposium on Information Theory in the Benelux, Veldhoven, The Netherlands, May 1997 
    5. ISO/IEC11172, Informationtechnology-Coding of moving pictures and associated audio for digital storage media at up to about 1.5Mbit/s, 1993 
    6. T. Wiegand, G. J. Sullivan, G. Bjontegaard, A. Luthra, "Overview of the H.264 / AVC Video Coding Standard," IEEE Transactions, Vol. 13, pp. 560-576, July 2003 
    7. Frank Hartung and Bernd Girod, "Digital Watermarking of MPEG2-Coded Video in the Bit Stream Domain," Proceeding of Int. Con. on Acoustics, Speech and Signal Processing, vol. 4, pp. 2621-2624, April 1997 
    8. Barni M., Bartolini F., Checcacci N., "Watermarking of MPEG-4 video objects," IEEE Transactions on Multimedia, vol 7, Issue 1, pp. 23-32, Feb. 2005 
    9. Stefan Katzenbeisser, Fabien A. P, Petttcolas., "Information hiding techniques for steganography and digital watermarking," Artech House, Boston London, pp. 128-129, 2000 
    10. ISO/IEC13818-2, "Information technology. Genericcoding of moving pictures and associated audio, ITU-TRec.H.262," 1995 
    11. J.P.M.G. Linnartz $\mu$A, J.C. Talstra, "MPEG PTYMarks: Cheap Detection of embedded Copyright Data in DVD-Video," Proceeding of ESORICS'98 5'th European Symposium on Research In Computer Security, Belgium, September 1998 
    12. Albert Bogges Francis J. Narcowich., "A First Course in Wavelets with Fourier Analysis," Prentice Hall, Upper Saddle River, pp. 155-182, 2001 

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