luminance unit

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Related to luminance unit: Cd/m, Cd/m², Cd/m2, Candela per square meter

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Noun

luminance unit - a measure of luminance

light unit - a measure of the visible electromagnetic radiation

nit - a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source

foot-lambert, ft-L - a former luminance unit equal to one lumen per square foot

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Typically 11 target stimuli were used in each range, increasing in steps of 0.05 log luminance units. Note that when the log luminance of the target relative to the surround was 0.0 there was no luminance contrast between the target and surround.

Using forced choice discrimination to measure the perceptual response to light of different characteristics

The Color Calculator also transforms data between various color models, such as CIE xy, uv, and u'v', and converts between most illuminance and luminance units. The software contains mathematical definitions for important photometric quantities, such as luminance, illuminance, luminous flux, and luminous intensity.