Camera Calibration Targets
|Link||Target Type||Paper Size||Shape||Square/Circle Size|
|60px||Chessboard||Letter||5 by 7||30mm|
|Link||Chessboard||A4||5 by 8||30mm|
|Link||Chessboard||A1||8 by 12||60mm|
|60px||Square Grid||Letter||3 by 4||30mm|
|Link||Square Grid||A4||3 by 5||30mm|
|Link||Square Grid||A1||4 by 6||60mm|
- Shape for chessboard includes black and white squares
- Shape for square grid is only the black squares
- Square Grid patterns above have a 1 to 1 ratio between black squares and space between.
WHEN PRINTING THE CALIBRATION GRID MAKE SURE YOUR PRINTER DOES NOT RESCALE THE DOCUMENTS!
Failure to do so will cause intrinsic parameters to be off by a scale-factor. Measure with a ruler to make sure each square is 30mm wide