Today, I had the honor to give a talk at INTERACT 2011, 13th IFIP TC13 Conference on Human-Computer Interaction in Lisbon. It was a full paper talk in the Interacting with Displays session, chaired by Saul Greenberg.
The paper was Comparing Free Hand Menu Techniques for Distant Displays using Linear, Marking and Finger-Count Menus. We used the Kinect in order to allow users to remotely interact with displays without using any instrumentation, just by performing gestures in the air. In particular it was about finding efficient ways for selecting items from a menu.
We compared the techniques shown in the video
The recognition of finger-counting gestures is based on the followings simple algorithm: