Prostate brachytherapy seed localization using a mobile C-arm without tracking. - Maria S. Ayad; Junghoon Lee; Jerry L. Prince; Gabor Fichtinger (Image-Guided Procedures, 2009)

C-arm pose estimation using a set of coplanar ellipses in correspondence. - Maria S. Ayad; Junghoon Lee; Anton Deguet; Everette Clif Burdette; Jerry L. Prince (ISBI, 2010)