@conference {Fichtinger2007,
	title = {New approaches to calibration and segmentation in interventional ultrasound},
	booktitle = {Procedings 4th IEEE International Symposium on Biomedical Imaging: From Nano to Macro ISBI 2007},
	year = {2007},
	month = {12{\textendash}15 April},
	pages = {1060{\textendash}1063},
	doi = {10 1109/ISBI 2007 357038},
	author = {Gabor Fichtinger and Emad Boctor and Gregory D. Hager}
}
