This PDF is designed to be printed on A4 paper. The calibration pattern is in the file "Calibration chessboard.pdf" contained in the doc/patterns directory inside your ARToolKit Pro distribution. This page presents how use utility programs included with ARToolKit to calibrate your video camera.Ĭalibration works by capturing images of the pre-prepared calibration pattern with the camera. Using a very simple camera calibration technique it is possible to generate a separate parameter file for the specific camera(s) that are being used. As well as helping tracking accuracy and reducing jitter, in a video-see through AR interface the video image can be warped to remove the camera's lens distortion. However, to get best tracking accuracy, particularly when looking directly onto a flat marker, it is important to calibrate your camera. These parameters are sufficient for basic tracking for a wide range of different cameras. In the ARToolKit software, default camera properties are contained in the camera parameter file camera_para.dat, that is read in each time an application is started. 4.3 If you need to specify options for the video configuration.4.2 If you need to change the default calibration pattern settings.
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