@ARTICLE{ASHD07,
  author = {Mark Ashdown and Imari Sato and Takahiro Okabe and and Yoichi Sato},
  title = {Perceptual Photometric Compensation for Projected Images},
  journal = {IEICE Transactions on Information and Systems (Japanese Edition)},
  year = {2007},
  volume = {J90-D},
  pages = {2115--2125},
  number = {8}
}