Camera Calibration
In order to do useful things with the camera we need to know certain information about it, like focal length. We use the Camera Calibration Toolbox for Matlab to do this.
Calibration Data
This calibration went rather poorly, giving a rather high error.
Focal Length: fc = [ 2200.72265 2199.06319 ] +- [ 12.37268 12.66289 ] Principal point: cc = [ 1343.73543 1014.71811 ] +- [ 14.80554 20.62470 ] Skew: alpha_c = [ 0.00000 ] +- [ 0.00000 ] => angle of pixel axes = 90.00000 +- 0.00000 degrees Distortion: kc = [ -0.34554 0.17020 0.00034 -0.00050 0.00000 ] +- [ 0.00638 0.01080 0.00083 0.00067 0.00000 ] Pixel error: err = [ 1.78527 0.99664 ]
This calibration data produces the following results:
Attachments
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undistortion.jpg
(62.0 KB) - added by mosttw
2 years ago.
Example of image undistortion


