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Video multiple watermarking technique based on image interlacing using DWT.

Mohamed M Ibrahim1, Neamat S Abdel Kader2, M Zorkany1

  • 1National Telecommunications Institute, Cairo 11678, Egypt.

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Summary

This study introduces a robust video watermarking technique using image interlacing. It enhances security and copyright protection while significantly reducing system resource, memory, and bandwidth requirements for nonblind systems.

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Area of Science:

  • Computer Science
  • Information Security
  • Digital Media

Background:

  • Nonblind digital watermarking systems require the original host file for watermark recovery, leading to increased system resource, memory, and bandwidth demands.
  • Securing digital media for authentication and copyright protection is crucial.

Purpose of the Study:

  • To propose a robust video multiple watermarking technique that overcomes the limitations of nonblind systems.
  • To reduce overheads in system resources, memory capacity, and communication bandwidth.

Main Methods:

  • The proposed technique utilizes image interlacing as its core mechanism.
  • Three-level Discrete Wavelet Transform (DWT) is employed for watermark embedding and extraction.
  • Arnold transform is used for watermark encryption and decryption.
  • Diverse media types (gray image, color image, video) are used as watermarks.

Main Results:

  • The technique demonstrates effectiveness in saving system resources, memory capacity, and communication bandwidth.
  • Robustness was validated against various attacks including geometric, noising, format-compression, and image-processing attacks.

Conclusions:

  • The proposed robust video multiple watermarking technique offers a viable solution for secure digital media, addressing the inefficiencies of nonblind systems.
  • The method provides effective security and copyright protection with significant resource savings.