Kurt Cornelis Nico Cornelis Maarten Aerts Kemal Egemen Ozden Luc J. Van Gool Online Calibration of Two Zoom-Pan-Tilt Units for Planar Dynamic Events. 698-707 2006 conf/dagm/2006 DAGM-Symposium http://dx.doi.org/10.1007/11861898_70 db/conf/dagm/dagm2006.html#CornelisCAOG06