- Use Blob detection in Processing to track the points.

- Track direction of the blog to do some action

– use IR led array to reflect IR beam of the users finger to the IR camera and use reflective tape to reflect more IR light. (http://gizmodo.com/gadgets/clips/wiimote-hack-is-wireless-multitouch-tv-321329.php?autoplay=true)

QUESTIONS ?

- how can we use 2 screens in processing o/p? ( ie one for blob dect and one for video or image manipultion