@inproceedings{ICPR-2014-HongZP,
	author        = "Xiaopeng Hong and Guoying Zhao and Matti Pietikäinen",
	booktitle     = "{Proceedings of the 22nd International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.2014.306",
	isbn          = "978-1-4799-5208-3",
	pages         = "1740--1745",
	publisher     = "{IEEE}",
	title         = "{Pose Estimation via Complex-Frequency Domain Analysis of Image Gradient Orientations}",
	year          = 2014,
}