barnes [at] cns [dot] bu [dot] edu
Mad science week at CNS, August 25-29, 2008, has come and gone. As a result we have a small program that you can also use to produce MIDI output from tracking an object on the screen, either by mouse or by webcam. Development is still very much in progress, but if you install the following dependencies there's a good chance you can get some reliable output. Results may vary, especially for linux kernels not built for real-time audio processing.