MATLAB: Images !

super-resolution

[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 !

Best Answer

I = imread('cameraman.tif'); %sample
I(end-63:end,1:48) = imresize(I,[64 48]); %engine
imtool(I) %view

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MATLAB: How to create the definite cycle and to display the result of a cycle in a single matrix of a definite size

A = eye(7).*repmat(1:7,7,1);
[x,y] = size(b);
m = zeros(7*x,7*y);
for i = 1:x
  for j = 1:y
    if (b(i,j) == 0)
       m((i-1)*7+1:i*7,(j-1)*7+1:j*7) = 0;
    else
       m((i-1)*7+1:i*7,(j-1)*7+1:j*7) = circshift(A,(-1)*b(i,j)+1);
    end
  end
end

This will do it.

MATLAB: While loop in while loop; Shortening

You could try the following.

J=5;
while J<13
    if J>=7
        j=1:6;
    else
        j=1:J;
    end
    z=63*pi.*(J-j); %piecewise multiplication
    disp(z)
    J=J+1;
end

This satisfies the conditions of j less than or equal to J and j less than 7.

Note the .* operation (see link)

When j is not changing in size, i.e. after the first two iterations of the loop, you could in fact get a solution therein without any loops:

j=1:6;
J=[7:13]';
z=63*pi.*(J-j)

Best Answer

Related Solutions

MATLAB: How to create the definite cycle and to display the result of a cycle in a single matrix of a definite size

MATLAB: While loop in while loop; Shortening

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