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Additive vs. Image Dependent DWT-DCT Based Watermarking

  • Serkan Emek
  • Melih Pazarci
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4105)

Abstract

We compare our earlier additive and image dependent watermarking schemes for digital images and videos. Both schemes employ DWT followed by DCT. Pseudo-random watermark values are added to mid-frequency DWT-DCT coefficients in the additive scheme. In the image dependent scheme, the watermarking coefficients are modulated with original mid-frequency DWT-DCT coefficients to increase the efficiency of the watermark embedding. Schemes are compared to each other and comparison results including Stirmark 3.1 benchmark tests are presented.

Keywords

Discrete Cosine Transform Discrete Wavelet Transform Image Watermark Watermark Scheme Digital Watermark 
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 2006

Authors and Affiliations

  • Serkan Emek
    • 1
  • Melih Pazarci
    • 2
  1. 1.DigiTurk, Digital Plat. Il. Hiz. A.Ş.Istanbul
  2. 2.ITU Elektrik-Elektronik FakültesiIstanbul

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