@INPROCEEDINGS{Weinrich-IROS-2012,
author = {Weinrich, {\relax Ch}ristoph and Vollmer, {\relax Ch}ristian and
Gross, Horst-Michael},
title = {Estimation of Human Upper Body Orientation for Mobile Robotics using
an SVM Decision Tree on Monocular Images},
booktitle = {IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS)},
year = {2012},
pages = {2147--2152},
publisher = {IEEE}
}