Djamel Merad Jean-Yves Didier Mihaela Scuturici Tracking 3D free form object in video sequence. 50 2006 conf/crv/2006 CRV https://doi.org/10.1109/CRV.2006.79 https://doi.ieeecomputersociety.org/10.1109/CRV.2006.79 db/conf/crv/crv2006.html#MeradDS06