Vincent Gay-Bellile Adrien Bartoli Patrick Sayd Direct Estimation of Non-Rigid Registrations with Image-Based Self-Occlusion Reasoning. 1-6 2007 ICCV http://dx.doi.org/10.1109/ICCV.2007.4408989 conf/iccv/2007 db/conf/iccv/iccv2007.html#Gay-BellileBS07