Vision by man and machine.
D000818:Animals; D002415:Cats; D003201:Computers; D003867:Depth Perception; D005556:Form Perception; D006801:Humans; D055095:Optics and Photonics; D010786:Photoreceptor Cells / Q000502:physiology; D012160:Retina / Q000502:physiology; D013028:Space Perception; D014785:Vision, Ocular; D014796:Visual Perception