[WM]: RST_watermarking

["Serap KAZAN" <scakar@sakarya.edu.tr>]

Hello,

I used RST for watermarking. I made FFT, LPM, FFT watermark and IFFT, ILPM and IFFT. But after these the image is not same the image at the begining. It is darker. I don't know what to do. Can you explain this.

thanks 

Serap


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