Contributions in Lightness Brightness
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Winshaderotdisk
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Resolution: 570x570
Shift and shade illusions: Window shade and rocking disc.
Wkoffka1-bar
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Resolution: 240x240
Compare the two halves of the annulus. The left half looks subtly darker than the right...
Yama
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Resolution: 473x272
In Akiyoshi Kitaoka's 'Mountains', the white 'mist' hovering over the mountains is cau...
Yamauchi 5 6 3 fig01
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Example of the transition of the mode of appearance. When a brown paper is dimly lit (a...
Yazdanbakhsh-percep-31-p713
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Resolution: 1189x748
The classic Munker-White illusion (a) is not disrupted in the absence of T-junctions (b...
Yuge
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Resolution: 369x276
In this illusion, visual phantoms cause illusory curves to appear on the wood patterns
Zavagno percep vol 28 p836 fig1a
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Resolution: 198x202
The glare/luminous-mist effect: a luminous mist spreading out from a central area havin...
Zavagno percep vol 28 p837 fig2
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Resolution: 397x396
Photographic negative of the cross showing the glare/luminous-mist effect. A dark smoke...
Zavagno percep vol 28 t p836 fig1d
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Resolution: 187x182
A glowing Kanizsa triangle: a bright mist spreads over the illusory contours.
Zavagno percep30 p210
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Resolution: 464x428
In this luminance-gradient effect, the four rectangles shaded with a quasi-linear lumin...