Embed vector field in bigger array
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In order to undistort an image for a special purpose, I used displacement vectors.
The vector field isn't covering the entire image. Problem is the following: To apply the vectors on the image the sizes need to be identical.
Vector field: 2000x1200
Image: 6000 x 4000
Is there a way to embed the vector field in a bigger array, so that it can be applied correctly to the image. Maybe it could be embedded in a matrix of 0?
The region of interest is only the 2000x1200 field. Extrapolating the vector field to 6000x4000 doesn't deliver the desired result, neither croping the image to 2000x1200.
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