We describe a mouseless, near-surface version of the Bimanual Marking Menu system. To activate the menu system, users create a pinch gesture with either their index or middle finger to initiate a left click or right click. Then they mark in the 3D space near the interactive area. We demonstrate how the system can be implemented using a commodity range camera such as the Microsoft Kinect, and report on several designs of the 3D marking system.   Like the multi-touch marking menu, our system offers a large number of accessible commands. Since it does not rely on contact points to operate, our system leaves the non-dominant hand available for other multi-touch interactions.
['François Guimbretière', 'Chau Nguyen']
Bimanual marking menu for near surface interactions