lightness constancy
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Cognition ◽  
2020 ◽  
Vol 205 ◽  
pp. 104419
Author(s):  
Colin J. Palmer ◽  
Yumiko Otsuka ◽  
Colin W.G. Clifford

i-Perception ◽  
2020 ◽  
Vol 11 (6) ◽  
pp. 204166952097369
Author(s):  
Alan Gilchrist ◽  
Michael S. Langer

When a black room (a room painted black and filled with objects painted black) is viewed through a veiling luminance, how does it appear? Prior work on black rooms and white rooms suggests the room will appear white because mutual illumination in the high-reflectance white room lowers image contrast, and the veil also lowers image contrast. Other work reporting high lightness constancy for three-dimensional scenes viewed through a veil suggests the veil will not make the room appear lighter. Because mutual illumination also modifies the pattern of luminance gradients across the room while the veil does not, we were able to tease apart local luminance gradients from overall luminance contrast by presenting observers with a black room viewed through a veiling luminance. The room appeared white, and no veil was perceived. This suggests that lightness judgments in a room of one reflectance depend on overall luminance contrast only.


2020 ◽  
Vol 20 (11) ◽  
pp. 610
Author(s):  
Vijay Singh ◽  
Johannes Burge ◽  
David Brainard

2016 ◽  
Vol 22 (9) ◽  
pp. 2107-2121 ◽  
Author(s):  
Danielle Albers Szafir ◽  
Alper Sarikaya ◽  
Michael Gleicher

2015 ◽  
Vol 15 (12) ◽  
pp. 629
Author(s):  
Matteo Toscani ◽  
Suncica Zdravkovic ◽  
Karl Gegenfurtner

2014 ◽  
Vol 14 (10) ◽  
pp. 79-79
Author(s):  
A. Gilchrist ◽  
S. Ivory
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