Nr. of points (1-100): Nr. of frames (1-20): Image size width (50-500): height (50-500): Initial velocities: mean (0.0-20.0): dispersion (0.0-10.0): Expected change in velocity magnitude (0.0-10.0): Expected change in velocity direction (degrees, 0.0-90.0): Occlusion probability (0.0-0.3):