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2018-08-28 03:58:54 -0500 commented question What causes circular artifacts when using warpPolar?

Actually, it was the interpolation method: I used lanczos and artifacts are much less evident.

2018-08-28 03:13:38 -0500 commented question What are tvecs and rvecs?

Yes, I think you are correct. Also, no: you cannot reproject from camera to world space exactly because z is lost. Given

2018-08-28 03:13:38 -0500 asked a question What causes circular artifacts when using warpPolar?

What causes circular artifacts when using warpPolar? Hello, I had a code that converted a radial image into linear one.