Robust Photometric Invariant Features from the Color Tensor

@Article\{VGS2006,
  author       = "Joost van de Weijer and Theo Gevers and Arnold W.M. Smeulders",
  title        = "Robust Photometric Invariant Features from the Color Tensor",
  journal      = "IEEE Transactions on Image Processing",
  number       = "1",
  volume       = "15",
  pages        = "118--127",
  month        = "jan",
  year         = "2006",
  ifactor      = "2.715",
  quartile     = "Q1",
  area         = "COMPUTER SCI., ARTIFICIAL INT.",
  url          = "http://cat.uab.cat/Public/Publications/2006/VGS2006"
}