@INPROCEEDINGS{Martin-FG-2008,
author = {Martin, {\relax Ch}ristian and Werner, Uwe and Gross, Horst-Michael},
title = {A Real-Time Facial Expression Recognition System Based on Active
Apperance Models Using Gray Images and Edge Images},
booktitle = {IEEE Int. Conf. on Face and Gesture Recognition (FG)},
year = {2008},
pages = {1--6},
publisher = {IEEE}
}