@inproceedings{ICPR-v1-2006-ChangCYY,
	author        = "Cheng-Yu Chang and Pau-Choo Chung and Yu-Sheng Yeh and Jar-Ferr Yang",
	booktitle     = "{Proceedings of the 18th International Conference on Pattern Recognition, Volume 1}",
	doi           = "10.1109/ICPR.2006.255",
	isbn          = "0-7695-2521-0",
	pages         = "1140--1143",
	publisher     = "{IEEE Computer Society}",
	title         = "{An Intelligent Bulletin Board System with Real-time Vision-based Interaction Using Head Pose Estimation}",
	year          = 2006,
}