images !

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Nada
Nada 2011-5-4
[EDIT: Thu May 12 22:58:48 UTC 2011 Duplicate Removed - MKF]
i am working on a project named water marking using super resolution .. i want to ask a small question .. how can i take the photo size 256*256 (host image) .. resize it to make it 64*48 then put the resized image down the host image using NPT (logo image) .. so finally the host image will be resized to 256*244 and down it the logo image will be 64*48 ! please help me with its code !
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Nada
Nada 2011-5-4
hmmm .. fine !
all what i need is what u said !
a 256*256 image where its lower part is the same image but with smaller size 64*48 !
it is a task .. i really dunno how is it related to super resolution but it is a task ! any help with coding ??
Nada
Nada 2011-5-4
clear
[A,map]=imread('lena256.bmp');
A=double(A);
[m,n]=size(A);
ps=zeros(12,256);
ips=1;
jps=1;
for i=1:8:m;
for j=1:8:n;
C=dct2(A(i:i+7,j:j+7));
DC=[1 1 0 0 0 0 0 0; 1 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;];
ps(ips,jps)=C(1,3);
ps(ips+1,jps)=C(2,2);
ps(ips+2,jps)=C(3,1);
C=C.*DC;
ips=ips+3;
if(ips>12)
jps=jps+1;
ips=1;
else
end
B(i:i+7,j:j+7)=C;
end
end
for i=1:8:m;
for j=1:8:n;
DD=B(i:i+7,j:j+7);
%DD=DD.*DC;
D(i:i+7,j:j+7)=idct2(DD);
end
end
figure(1)
imshow(A,map)
figure(2)
imshow(D,map)
ips=1;
jps=1;
for i=1:8:m;
for j=1:8:n;
DD=B(i:i+7,j:j+7);
DD(1,3)=ps(ips,jps);
DD(2,2)=ps(ips+1,jps);
DD(3,1)=ps(ips+2,jps);
ips=ips+3;
if(ips>12)
jps=jps+1;
ips=1;
else
end
D(i:i+7,j:j+7)=idct2(DD);
end
end
figure(3)
imshow(D,map)
i need to take figure 3 then do what i told u about !

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Sean de Wolski
Sean de Wolski 2011-5-4
I = imread('cameraman.tif'); %sample
I(end-63:end,1:48) = imresize(I,[64 48]); %engine
imtool(I) %view
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Nada
Nada 2011-5-4
clear
[A,map]=imread('lena256.bmp');
A=double(A);
[m,n]=size(A);
ps=zeros(12,256);
ips=1;
jps=1;
for i=1:8:m;
for j=1:8:n;
C=dct2(A(i:i+7,j:j+7));
DC=[1 1 0 0 0 0 0 0; 1 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;0 0 0 0 0 0 0 0;];
ps(ips,jps)=C(1,3);
ps(ips+1,jps)=C(2,2);
ps(ips+2,jps)=C(3,1);
C=C.*DC;
ips=ips+3;
if(ips>12)
jps=jps+1;
ips=1;
else
end
B(i:i+7,j:j+7)=C;
end
end
for i=1:8:m;
for j=1:8:n;
DD=B(i:i+7,j:j+7);
%DD=DD.*DC;
D(i:i+7,j:j+7)=idct2(DD);
end
end
figure(1)
imshow(A,map)
figure(2)
imshow(D,map)
ips=1;
jps=1;
for i=1:8:m;
for j=1:8:n;
DD=B(i:i+7,j:j+7);
DD(1,3)=ps(ips,jps);
DD(2,2)=ps(ips+1,jps);
DD(3,1)=ps(ips+2,jps);
ips=ips+3;
if(ips>12)
jps=jps+1;
ips=1;
else
end
D(i:i+7,j:j+7)=idct2(DD);
end
end
figure(3)
imshow(D,map)
i need to take figure 3 and do what i wrote in the Q.
any help please??

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