Patch extraction from an image
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pankhuri kasliwal
2019-6-18
if you want a patch of (size, size) :
% Get the size of the image
[rows, columns, numberOfColorChannels] = size(yourImage);
% Determine starting and ending rows and columns.
row1 = floor(rows/2 - size/2);
col1 = floor(columns/2- size/2);
% Extract sub-image using imcrop():
subImage = imcrop(yourImage, [col1, row1, size, size]);
you may also refer to this link for more information
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