How to slipt an image into equal & non-overlapping 2*2 matrixes in matlab?

Hi friends, I am in need to slipt the image into 2*2 blocks. i used mat2cell comment but later i am unable to access each element in a cell.. so plz provide me the coding to slip the image using for loop.. its urgent...

[Jos (10584)]

slip -> split, I assume ...

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/29922-why-your-question-is-not-urgent-or-an-emergency

Answer 1

[Iain]

For a 128 by 128...

 for i = 1:2:127
  for j = 1:2:127
   split_2x2(:,:,(i+1)/2,(j+1)/2) = image(i+[0 1],j+[0 1]);
  end
 end

a_2x2 = split_2x2(:,:,4,6)

Answer 2

[Jos (10584)]

To access the contents of a cell you need to use curly braces

C = { magic(2) ; 3*magic(2)} ; 
C1 = C(1)
C2 = C{1}
whos

Answer 3

[Image Analyst]

Have you checked the FAQ? http://matlab.wikia.com/wiki/FAQ#How_do_I_split_an_image_into_non-overlapping_blocks.3F