@incollection{Moreno_siggraphsketch2005,
author    = {F. Moreno-Noguer and S.K. Nayar and P.N. Belhumeur},
title     = {Optimal Illumination for Image and Video Relighting},
booktitle = {SIGGRAPH Technical Sketch},
pages     = {1},
year      = {2005}
}