Keisuke Nishie Jun Sato 3D Reconstruction from Uncalibrated Cameras and Uncalibrated Projectors from Shadows. 15-18 2006 conf/icpr/2006 ICPR (1) http://doi.ieeecomputersociety.org/10.1109/ICPR.2006.31 db/conf/icpr/icpr2006-1.html#NishieS06