how to segment form?
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Image Analyst on 28 Nov 2014
First I'd sum the image vertically and horizontally and look for the rows and columns where the grid lines are. Then call imcrop.
[rows, columns, numberOfColorChannels) = size(grayImage);
horizontalProfile = sum(grayImage, 1);
verticalProfile = sum(grayImage, 2);
binaryHoriz = horizontalProfile < someNumber;
and so on. Give it a try.