how to segment image into 4 equivalent parts ?

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marwa za
marwa za 2018-10-8
评论： marwa za 2018-10-9
how can I segment an image (brain) into 4 parts or 2 parts like the following figure ?

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Image Analyst
Image Analyst 2018-10-9
Try this:
[rows, columns, numberOfColors] = size(yourImage);
midRow = round(rows/2);
midCol = round(columns/2);
upperLeft = yourImage(1:midRow, 1:midCol, :);
lowerLeft = yourImage(midRow+1:end, 1:midCol, :);
upperRight = yourImage(1:midRow, midCol+1:end, :);
lowerLeft = yourImage(midRow+1:end, midCol+1:end, :);
figure;
subplot(2, 2, 1);
imshow(upperLeft);
subplot(2, 2, 2);
imshow(lowerLeft);
subplot(2, 2, 3);
imshow(upperRight);
subplot(2, 2, 4);
imshow(lowerLeft);

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