Tatsuo Kozakaya Osamu Yamaguchi Face Recognition by Projection-based 3D Normalization and Shading Subspace Orthogonalization. 163-168 2006 conf/fgr/2006 FG http://doi.ieeecomputersociety.org/10.1109/FGR.2006.43 db/conf/fgr/fgr2006.html#KozakayaY06