Impressive projects by Johnny Lee

You might have seen on many blogs his recent quick and simple Wiimot hack for IR Finger Tracking (with Minority Report-style interaction). Mr. Lee’s works is even more impressive if you look at his recent projects at the Human-Computer Interaction Institute (Carnegie Mellon Univerisity):

http://www.cs.cmu.edu/~johnny/academic/

Foldable Interactive Displays

Automatic Projector Calibration using Embedded Light Sensors (a bit old but still very nice)