title: Further features of the illuminant-invariant trichromatic photosensor.
mesh_terms: D000818:Animals; D003118:Color Perception / Q000502:physiology*; D006801:Humans; D008027:Light; D008954:Models, Biological; D010041:Otters / Q000502:physiology; D010786:Photoreceptor Cells / Q000502:physiology*; D013057:Spectrum Analysis