This can then be copied to an image cast member or loaded into texture memory for viewing. If the thresholded image was generated (debugging is on), replace the current video image in the DART xtra with the thresholded image.If corner refinement is not used, blue dots show the corners used. If corner refinement is used, red and green dots show the crude and refined corners. If debugging is on, the thresholded image is computed when the marker tracker is run, and small red, blue and green dots are placed in the image.The parameter is a boolean, indicating if debugging of the marker tracker should be turned on or not.The correct values depend on many factors (lighting, the distance between markers, etc.).If the pixel moves by less than this distance, stop refining. the second paramter is iterations, the maximum number of iterations to refine the estimate.the first parameter is size, the radius in pixels of the window to look for the best corner in.Sets the ARtoolkit to refine the corners before using the OpenCV tracker." videoMarkerCornerRefinement int, int, float\n".Run marker tracking on the saved video frame.Copy the currently saved video frame to the provided texture.Return 0 if there was no video, and the timestamp if there was a video frame.Read the next frame from the camera, saving it in the xtra.Assumes that the first large texture it finds is the correct one. Find the texture to be used for background video.When lighting is good, the history will cause the tracker to be smoother and have less drop-outs. The lite tracker does not take history into account, and should be used when there is a lot of noice and false recognition (which would cause problems with the history mechanism). Says whether to use the "lite" marker tracker (1) or not (0).The threshold is a number from 0 to 255, which defines the brightness of a pixel above which it should be considered white (pixel brightness below this value are considered black). Set the threshold for the ARToolkit fiducial tracker.
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