@inproceedings{ICPR-1998-TakahashiNKS,
	author        = "Takuya Takahashi and Satoru Nakanishi and Yoshinori Kuno and Yoshiaki Shirai",
	booktitle     = "{Proceedings of the 14th International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.1998.711917",
	isbn          = "0-8186-8512-3",
	pages         = "1216--1218",
	publisher     = "{IEEE Computer Society}",
	title         = "{Helping computer vision by verbal and nonverbal communication}",
	year          = 1998,
}