Use of Four Surface Normal Approximations and Optimization of Light Direction for Robust Shape Reconstruction from Single Images.

Osamu Ikeda Use of Four Surface Normal Approximations and Optimization of Light Direction for Robust Shape Reconstruction from Single Images. 84-91 2004 conf/crv/2004 CRV http://doi.ieeecomputersociety.org/10.1109/CCCRV.2004.1301426 db/conf/crv/crv2004.html#Ikeda04