I'm a Mechatronics Student Engineer, and still new with the computer vision field and am now working on a project that needs to Tracks a small ball and need to determine it's (x,y,z). 1st) Kinect was bad for detecting small objects. 2nd) Stereo with 2 cameras not hardware synchronized isn't accurate. 3rd) Single Stereo Camera is very expensive and I don't have any information of how dealing with it.
So how Can I track a ball to return its coordinates(x,y,z) ?