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question for digital watermark ?
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if we are used this code for recover watermark .... the result is ok with gray watermark ... but way not ok with color watermar? pls help me... and thank you for all...
%determined the size of watermarked image
mw=size(image1,1); %heigth of the watermarked image
nw=size(image1,2); %width of the watermarked image
for ii = 1: mw
for jj = 1 : nw
watermark (ii,jj) = bitget(image1(ii,jj),1);
end
end
figure(2)
imshow(watermark);
title('extracted image'); % watermark image for watermarking
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Risposte (1)
Walter Roberson
il 27 Gen 2014
Replace the code with
watermark = bitget(image1, 1);
figure(2);
imshow(watermark);
title('extracted image');
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