Audio Visual Speech Recognition:

Improving Hands-Free Speech Recognition in a Car through Audio-Visual Voice Activity Detection
Friedrich Faubel, Munir Georges, Kenichi Kumatani, Andres Bruhn and Dietrich Klakow
Proceedings of the 2011 Joint Workshop on Hands-Free Speech Communication and Microphone Arrays (HSCMA 2011), May 2011

A comparative study of features for audio-visual speech recognition
Munir Georges, Diplomarbeit
Saarland University, Saarbrücken, Germany, 2010.

Robust Gaussian Mixture Filter Based Mouth Tracking in a Real Environment
Friedrich Faubel, Munir Georges, Bo Fu, Dietrich Klakow
Visual Computing Research Conference (by the Intel Visual Computing Institute, Saarbrücken), Dec. 2009.