@article { 292,
title = {Acquiring Linear Subspaces for Face Recognition under Variable Lighting},
journal = {IEEE Transactions Pattern Analysis and Machine Intelligence (PAMI)},
volume = {27},
number = {5},
year = {2005},
month = {May},
pages = {684-698},
author = {David Kriegman and Jeff Ho and Kuang-Chih Lee}
}