Formulas for Barrel/Pincushion distortion

image-processing distortion
breethe picture breethe · Jun 1, 2011 · Viewed 30.2k times · Source

Can't understand how to get (x', y') of original (x, y) in image, for Barrel/Pincushion distortion.

Answer

Dr. belisarius picture Dr. belisarius · Jun 3, 2011

Section 2 of this paper explains the transformation. Basically:

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Here I made an example in Mathematica:

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