Secret Sharing Based Video Watermark Algorithm for Multiuser

  • Shangqin Xiao
  • Hefei Ling
  • Fuhao Zou
  • Zhengding Lu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5450)


A novel video watermark algorithm based on Shamir secret sharing scheme for multiusers is proposed. It divides the field of the host video signal into multisegments, and then splits the original watermark into corresponding number shares with the Shamir’s secret sharing algorithm. Each share of the watermark is embedded into the corresponding segment of the host video signal. In this scheme, only the user that has sufficient authorization can reveal the genuine watermark directly; other users could obtain shadow watermarks merely. Experimental results show the proposed watermarking scheme can offer good video quality and is robust against various degree attacks.


Video watermarking Secret Sharing Robustness Shadow Watermark 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Shangqin Xiao
    • 1
  • Hefei Ling
    • 1
  • Fuhao Zou
    • 1
  • Zhengding Lu
    • 1
  1. 1.Department of Computer ScienceHuazhong University of Science and TechnologyWuhanChina

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