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I would like to map one triangle inside an OpenCV Mat to another one, pretty much like warpAffine does (check it here), but for triangles instead of quads, in order to use it in a Delaunay triangulation.
I know one is able to use a mask, but I’d like to know if there’s a better solution.
You should use the getAffineTransform to find the transform, and use warpAffine to apply it