A cheap and easy method for 3D C-arm reconstruction using elliptic curves. - David H. Burkhardt; Ameet K. Jain; Gabor Fichtinger (Image-Guided Procedures, 2007)

CTREC: C-arm tracking and reconstruction using elliptic curves. - Gouthami Chintalapani; Ameet K. Jain; David H. Burkhardt; Jerry L. Prince; Gabor Fichtinger (CVPR Workshops, 2008)