Radius Distortion Correction

1. Radius Distortion Correction
1. rd=ru+krr3u
2. Distortion (optics)
1. ImageMagick
1. convert distorted_image.jpg -distort barrel "0.06335 -0.18432 -0.13009" corrected_image.jpg
2. convert -size 1280x720 a.jpg -distort barrel "0.06830 -0.22 -0.12009 1.4" b.jpg
3.  convert -size 1280x720 a.jpg -distort barrel "0.07830 -0.20 -0.12009 1.4" b.jpg
2. convert c.jpg -distort barrel "0.078 -0.24 -0.109 1.56" d.jpg
3. 
   

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