This library provides all the software you need to set up your own FTIR multitouch display. It handles interfacing with a video camera or webcam, blob detection and tracking and calibration. It provides a very simple interface for your programs to listen for touch events such as finger pressed down, finger moved, and finger released. For more information see http://www.whitenoiseaudio.com/touchlib/ and http://www.whitenoiseaudio.com/blog/