RE: [WM]: On DFT/FFT-based Watermarking

[Amr Nasr <amr128@yahoo.com>]

Dear chris
It is a wonderful idea to use the real part
 or to use half the values of the magnitude spectrum.
But you forgot that you this duality is beneficial for

robust watermarks , if the image is exposed to signal
processing operarations , so you will use two values
not one value 
     I think you are working at Harris company.
    Do you live in Florida?
                                 AMR NASR


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