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

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kalai vani
kalai vani 2013-7-19
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...

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回答（3 个）

Iain
Iain 2013-7-19
编辑：Iain 2013-7-19
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)
Jos (10584)
Jos (10584) 2013-7-19
编辑：Jos (10584) 2013-7-19
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
Image Analyst
Image Analyst 2013-7-19

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