Shing Chun Benny Lam Brendan McCane Robert Allen Automated tracking in digitized videofluoroscopy sequences for spine kinematic analysis. 1555-1571 2009 27 Image Vision Comput. 10 http://dx.doi.org/10.1016/j.imavis.2009.02.010 db/journals/ivc/ivc27.html#LamMA09