[WM]: Transformation Selection

[Michael Z Chen <studyforscience@yahoo.com>]

Hi Watermarking Researchers,
   
  Most of the my experiments show that It is difficult to tell which transformation method is better: DCT, DFT or DWT. We know that
they perform differently against to different types of attacks. Also I have to say that this performance change based on the image,
watermark and algorithm. At least my experience say that.
   
  I really wonder that what other watermarking people think about this issue. Do you think we should select one of the
transformation based on the image,watermark and algorithm?
   
  Thank you for all the answers!
   
  Best
   
  Michael Z. Chen
  Doctorate Student


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