@article {Vikal2006,
	title = {Automated Segmentation of Radiographic Fiducials for C-Arm Tracking},
	journal = {Journal of Medical Physics},
	volume = {33},
	number = {6},
	year = {2006},
	pages = {2208-2208},
	publisher = {AAPM},
	doi = {10 1118/1 2241601},
	url = {http://link aip org/link/?MPH/33/2208/3},
	author = {Siddharth Vikal and Ameet K. Jain and Anton Degeut and Danny Y Song and Gabor Fichtinger}
}
