@inproceedings{ICPR-v3-2006-GuoL,
	author        = "Yujun Guo and Cheng-Chang Lu",
	booktitle     = "{Proceedings of the 18th International Conference on Pattern Recognition, Volume 3}",
	doi           = "10.1109/ICPR.2006.826",
	isbn          = "0-7695-2521-0",
	pages         = "697--700",
	publisher     = "{IEEE Computer Society}",
	title         = "{Multi-modality Image Registration Using Mutual Information Based on Gradient Vector Flow}",
	year          = 2006,
}