Contrast additivity: an alternative approach.
D000221:Adaptation, Ocular; D003118:Color Perception; D006801:Humans; D008954:Models, Biological; D010775:Photic Stimulation / Q000295:instrumentation / Q000379:methods; D010783:Photometry; D014794:Visual Fields; D014796:Visual Perception / Q000502:physiology*