This forum is disabled, please visit https://forum.opencv.org
 | 1 | initial version |
If you use the above images to do the calibration, the chessboard is too far and too small in the image to have a good calibration.
The chessboard must occupy almost all the image and you have to take many pictures with different orientation for the chessboard pattern.
An example of images used for stereo calibration (the whole data set here):
