Calibration results (with uncertainties):

Focal Length:          fc = [ 192.65893   192.57274 ] ± [ 5.33531   5.43461 ]
Principal point:       cc = [ 156.73664   128.02033 ] ± [ 3.74040   2.95983 ]
Skew:             alpha_c = [ 0.00000 ] ± [ 0.00000  ]   => angle of pixel axes = 90.00000 ± 0.00000 degrees
Distortion:            kc = [ -0.35960   0.17205   -0.00145   -0.00163  0.00000 ] ± [ 0.03084   0.07360   0.00325   0.00366  0.00000 ]
Pixel error:          err = [ 0.12649   0.24198 ]