Building perceived images

@InProceedings\{OtV2004,
  author       = "Xavier Otazu and Maria Vanrell",
  title        = "Building perceived images",
  booktitle    = "European Conference on Colour in Graphics, Imaging and Vision (CGIV'04)",
  month        = "Apr",
  year         = "2004",
  publisher    = "IS\&T",
  address      = "Aachen (Germany)",
  url          = "http://cat.cvc.uab.es/Public/Publications/2004/OtV2004"
}