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A Practical Real-Time Video Watermarking Scheme Robust against Downscaling Attack

  • Kyung-Su Kim
  • Dong-Hyuck Im
  • Young-Ho Suh
  • Heung-Kyu Lee
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5041)

Abstract

In this paper, we propose a practical real-time video watermarking scheme for downscaling attack. We embed watermark into an arbitrary size of a host video and extract it from the watermarked video under a preset false error rate. Both watermark embedding and extraction are done in the uncompressed domain. Also, blind detector is used (i.e., no original video needs during the detection). As our watermarking system uses a video coder and decoder according to a format of an input video, it can be applicable to DCT-based coding videos (e.g., MPEG-2) as well as MPEG-1 and MPEG-4. Moreover, for a practical use both embedder and detector are developed as directshow filters that make it easy to connect after another within directshow applications. The payload of this system is totally 192 bits. PSNR after embedding is around 45dB for the host video that ranges from QVGA to High Definition (HD) size. Finally, several experimental results prove that the proposed scheme has good robustness.

Keywords

Video Frame Visual Quality Image Watermark Watermark Scheme Input Video 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Kyung-Su Kim
    • 1
  • Dong-Hyuck Im
    • 1
  • Young-Ho Suh
    • 2
  • Heung-Kyu Lee
    • 1
  1. 1.Department of EECSKorea Advanced Institute of Science and TechnologyDaejeonRepublic of Korea
  2. 2.Digital Content Research DivisionElectronics and Telecommunications Research InstituteDaejeonRepublic of Korea

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