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|Look up luminance in Wiktionary, the free dictionary.|
Luminance may refer to:
- Luminance, a photometric measure of the density of luminous intensity in a given direction, measured in candela per square metre (cd/m2).
- Luminance (relative), luminance normalized with respect to a reference white
- Luma (video), an approximation of relative luminance, used in video signals
See also 
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