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Achromat1c Surface Colours 1n Achromat1c Illum1nat1on PAGE
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adapted eye after-image air-light albedo aperture appearance of colour apprehended approximately Biihler binocular binocular vision brighter brightness Brunswik Buhler cardboard character chromatic colours chromatic illumination colour-impressions colour-phenomena colours appear conditions of illumination connection constancy contrast corresponding dark darker degrees of pronouncedness determined distance distinct effect eidetic images empiristic empty space episcotister equation experiments exposition fact factor film colour fixation flicker Gelb genuine colour glass Helmholtz Hering's impression of illumination influence intensity of illumination Jaensch judgment light limen localization look luminosity luminous luminous film lustre lustrous memory colours microstructure mirror mode of appearance monocular normal illumination object colour observer perceived perception peripheral presented Psychol psychological relationship retinal excitation saturation seen sensations shadowed disc significance spatial subjective grey surface colours surface structure theory tion total insistence values vision visual field visual perception volume colour Weber's law white paper Zsch Zsch.f