期刊
SPATIAL VISION
卷 18, 期 3, 页码 337-345出版社
VSP BV
DOI: 10.1163/1568568054089357
关键词
lightness; brightness; luminance contrast; ratio rule; wallpaper illusion
When presented against a highly lit black background, dimly illuminated white paper strips appear white even when they are equiluminant with the background. Such an example of simultaneous lightness constancy cannot be accounted for by receptor gain control because of the equiluminance. Moreover, this demonstration shows that lightness cannot be reduced to 'relative brightness' as is widely believed.
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