How to change image shape in form of V?
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Guillaume
2017년 4월 6일
I = checkerboard(40);
transform = fitgeotrans([1, 1; size(I, 2), 1; 1, size(I, 1); size(I)], ...
[1, 1; size(I, 2), 1; 100, size(I, 1); size(I, 2)-100, size(I, 1)], ...
'projective');
imshowpair(I, imwarp(I, transform), 'montage')
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Guillaume
2017년 4월 6일
I still have no idea what you want to interpolate in the black region. There is nothing there to interpolate. If you want to smear the edge of the image, you can use the older tformarray with a resampler that 'replicate' values.
transform = maketform('projective', ...
[1, 1; size(I, 2), 1; 1, size(I, 1); size(I)], ...
[1, 1; size(I, 2), 1; 100, size(I, 1); size(I, 2)-100, size(I, 1)]);
resampler = makeresampler('cubic', 'replicate');
imshowpair(I, tformarray(I, transform, resampler, [2 1], [2 1], [], []), 'montage');
However, note that most of these functions are deprecated. I don't know how to do the same with the new imwarp.
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