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Physics

The branch of science concerned with the properties of matter and energy and the relationships between them.

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Physics > Color science

spatial frequency
Physics; Color science

A measure of how rapidly a property changes in space. A commonly used form of visual stimulus consists of vertical bars where the lightness varies according to a sinusoidal ...

M-cone
Physics; Color science

One of the three cone types that contribute to human color vision. The peak spectral sensitivity of the M-cones is between the peak sensitivity of the other two cone types, the ...

simultaneous contrast
Physics; Color science

The phenomenon in which the perceived color of an area of a scene tends to take on a hue opposite to that of the surrounding area. Thus a grey square on a red background will ...

rayleigh scattering
Physics; Color science

Scattering of light off small uniform particles. Rayleigh scattering is inversely proportional to the fourth power of the wavelength consequently short wave light is much more ...

nanometer
Physics; Color science

One billionth (10-9) of a meter. The most common unit used for characterizing the wavelength of light in visual science.

ganglion cells
Physics; Color science

The output cells of the retina. They indirectly receive their inputs from the photoreceptors and send their outputs to the brain. There are several varieties of ganglion cells ...

deuteranopia
Physics; Color science

One of the two varieties of red-green color blindness (also known as green-dichromacy). Deuteranopia results from the loss of function of the M-cones. Deuteranopes, in contrast ...

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