Di-O-Matic introduced their Real Time Marker less Facial Performance Capture solution, Maskarad RT for Autodesk MotionBuilder. With the same technology used in standalone version of Maskarad, Maskarad RT uses state-of-the-art technology to automatically locate and track head motion as well as facial expressions and precise lips movements without messy face markers and expensive hardware.
The only thing what you have to do is plug-in your webcam and Maskarad RT will create facial animations in real time. The release of Maskarad RT is planned during Q3 2011and will have floating license capability.
Source and full article: Di-O-Matic