Refining Camera parameters and calculating errors - OpenCV

Question

I\'ve been trying to refine my camera parameters with CvLevMarq but after reading about it, it seems to be causing mixed results - which is exactly what I am ex

Answer 1

It seems your parameter initialization is the problem. I would use a linear estimator first, i.e. ignore your noisy sensor, and then use this as the initial values for the non-linear optimizer.

A quick method is to use getaffinetransform, as you have mostly rotation.