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Watermarking GUI using 3rd level DWT

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from Watermarking GUI using 3rd level DWT by shivangi patel
The GUI embeds and extracts watermark image to cover image in frequency domain using 3rd level DWT.

PSNR( pic1,pic2 ) 
function [ out ] = PSNR( pic1,pic2 )
%UNTITLED2 Summary of this function goes here
%   Detailed explanation goes here
e=MSE(pic1,pic2);
m=max(max(pic1));
out=10*log((double(m)^2)/e);
end

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