will someone find an error regard this code? because my watermaked modifed/inserted only left side of host image..
1 visualización (últimos 30 días)
Mostrar comentarios más antiguos
clc;
clear all;
hi=imread('Lena.tif');
[m,n]=size(hi);
area=m*n*8;
hi=dec2bin(hi); hi;
wi=imread('cameraman (2).tif');
b=imresize(wi,1/4);
imwrite(b,'wm.tif');
wi=imread('wm.tif');
[x,y]=size(wi);
wm=dec2bin(wi);
wlength=x*y*8;
i=1; j=1; k=1;
cnt=0;
while i<area
cnt=cnt+1;
if cnt>wlength;
break;
end
hi(i,8)=wm(j,k);
k=k+1;
if k>8
k=1;
j=j+1;
end
i=i+1;
end
h1=bin2dec(hi);
[u,v]=size(h1);
h1=reshape(h1,m,n);
h1=uint8(h1);
wmm(1:m,1:n)=h1(1:m,1:n);
imshow(wmm);
imwrite(wmm,'w_image.tif');
imshow(wmm);
7 comentarios
Guillaume
el 18 de Sept. de 2014
Sorry I made a typo the third line should have read:
cameraman = uint8(repmat((0:255)', 1, 256));
I've edited the comment to correct the error.
Respuestas (0)
Ver también
Productos
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!