Human red-green chrominance contrast sensitivity is matched to the spatiochromatic Fourier spectra of images of fruit in foliage

@InProceedings\{PTT2001,
  author       = "C. Alejandro Parraga and Tom Troscianko and D.J. Tolhurst",
  title        = "Human red-green chrominance contrast sensitivity is matched to the spatiochromatic Fourier spectra of images of fruit in foliage",
  booktitle    = "Journal of Physiology",
  volume       = "536",
  pages        = "42P",
  year         = "2001",
  url          = "http://cat.cvc.uab.es/Public/Publications/2001/PTT2001"
}