Low-Dimensional Representations of Shaded Surfaces under Varying Illumination.

Peter Nillius Jan-Olof Eklundh Low-Dimensional Representations of Shaded Surfaces under Varying Illumination. 185-194 2003 conf/cvpr/2003 CVPR (2) http://csdl.computer.org/comp/proceedings/cvpr/2003/1900/02/190020185abs.htm db/conf/cvpr/cvpr2003-2.html#NilliusE03