SimpleCV Object Tracking

I've had an "on-again off-again" project kicking around for a long time which I want to dive back into and dedicate some more time and effort into.

The idea is simple enough; I want to be able to trigger the playback of music and samples by juggling.

The best method I've come up with is using a webcam and some computer vision code. Since my skills in python have been progressing quite well I feel that I can finally produce something solid based on the SimpleCV library.

Here's a few projects which I can learn from: