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A MPEG-2 Video Watermarking Algorithm with Compensation in Bit Stream

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Digital Rights Management. Technologies, Issues, Challenges and Systems (DRMTICS 2005)

Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 3919))

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Abstract

Some requirements for MPEG-2 video watermarking, such as invisibility, robustness, unchanged bitstream size and real time processing, are desirable. We firstly apply a DC-based embedding strategy to MPEG-2 compressed domain and embed the watermark by modifying the DC coefficients. The strategy has three advantages over the AC-based one. Then a MPEG-2 bitstream video watermarking scheme is proposed. The watermark is embedded in DC coefficients in I frames. Because these DC coefficients are differentially coded, error caused by watermark embedding will be propagated. In order to decrease the distortion to video quality caused by error propagation, we develop a compensation algorithm worked in bit-stream, which improves the quality of the watermarked video effectively. We also give a simple control scheme to ensure that the MPEG-2 bitstream keeps its original size after watermarking. The experimental results show that the watermark is robust while guaranteeing the invisibility and real-time processing.

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Author information

Authors and Affiliations

  1. Dept.of Electronics and Communication, Sun Yat-sen university, Guangzhou, 510275, P.R. China

    Hongmei Liu, Fenglian Shao & Jiwu Huang

  2. Guangdong Province Key Laboratory of Information Security, Guangzhou, 510275, P.R. China

    Hongmei Liu, Fenglian Shao & Jiwu Huang

Authors
  1. Hongmei Liu
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  2. Fenglian Shao
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  3. Jiwu Huang
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Editor information

Editors and Affiliations

  1. Department of Computer Science, University of Calgary, T2N 1N4, Calgary

    Reihaneh Safavi-Naini

  2. Computer Science Department, Google Inc. and Columbia University,, 1214 Amsterdam Avenue, NY 10027, New York, USA

    Moti Yung

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© 2006 Springer-Verlag Berlin Heidelberg

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Liu, H., Shao, F., Huang, J. (2006). A MPEG-2 Video Watermarking Algorithm with Compensation in Bit Stream. In: Safavi-Naini, R., Yung, M. (eds) Digital Rights Management. Technologies, Issues, Challenges and Systems. DRMTICS 2005. Lecture Notes in Computer Science, vol 3919. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11787952_10

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  • DOI: https://doi.org/10.1007/11787952_10

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-35998-2

  • Online ISBN: 978-3-540-35999-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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