it's a somewhat arbitrary number (a scale factor), you can use 1 as well.
it means, that none of your image pairs were acceptable (you need at least2 valid pairs for the calibration) most probably, it could not find all of the chessboard corners in both images there. try again with better images.
the cameras should be mounted parallel, not at an 90° angle.
it's a somewhat arbitrary number (a scale factor), you can use 1 as well.well. also, the image below show a 9x6 chessboard, not 10x7 !
it means, that none of your image pairs were acceptable (you need at least2 valid pairs for the calibration) most probably, it could not needs to find all of the chessboard corners in both images there. try again with better images.(and again, your numbers seem to be wrong above)
the cameras should be mounted parallel, not at an 90° angle.
it's the size of a somewhat arbitrary number (a scale factor), you can use 1 as well. square in centimeters (as printed on paper). also, the image below show a 9x6 chessboard, not 10x7 10x7 !
it means, that none of your image pairs were acceptable (you need at least2 valid pairs for the calibration) it needs to find all of the chessboard corners in both images there. (and again, your numbers seem to be wrong above)
the cameras should be mounted parallel, not at an 90° angle.