For questions regarding the underpinnings of the perception of color by the brain.

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27 views

Does color constancy overestimate?

Consider I have a few references from white to yellowish, and I look at them in 2 different lights: a cool-coloured light (white/~6500k) and a warm-coloured light (yellow/~3500k). Firstly, ...
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0answers
137 views

Has there been a neuroscientific explanation of the color phi phenomenon?

The color phi phenomenon is a perceptual illusion in the visual domain which was demonstrated in an experiment by Kolers and von Grunau (1976). The experiment is as follows. A sequence of coloured ...
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47 views

Source for turning cone cell opponent process diagram into equations

There is a diagram on wikipedia that is part of the article on the opponent process. I assume practical equations have been developed, at least reasonable approximations, but they appear to be missing ...
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0answers
39 views

Do people perceive opacity of a color linearly?

I am trying to create a visualization for some numbers, each ranging from 0 to 1. I was thinking of representing each number by a color (say red) of a certain opacity corresponding to its value. For ...
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73 views

The accuracy & malleability of memory for color

How accurate is colour memory for the standard person? It would seem most people are quite good at remembering the colour of objects by visualising the object. But in some cases peoples visualisation ...
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13 views

How do I convert RGB indexes under luminance condition L (from photometry) to a perceptually scaled equivalent (e.g. CIECAM02)?

I would like to determine the similarity of a set of RGB colors that are displayed on a monitor using CIECAM02 (or CIEDE2000). I have access to a photometer. How do I go about this? The goal is ...