| luminance |
Black and white portion of a video signal representing picture contrast and brightness.
출처: www.digitalpostproduction.com/Htm/Features/Digital...
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| luminous flux |
Defined as the total luminous energy per unit time emitted by the light source into a sphere(360? surrounding the light source, where the luminous flux is the radiant flux multiplied by the human eyes sensitivity. The measurement unit for luminous flux is the lumen (lm).
출처: www.marktechopto.com/engineering/glossary.cfm
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| luminous intensity |
The amount of luminous flux emitted into a very small solid angle at a defined angular orientation from the light source. The unit of luminous intensity is the lumen/steradian (lm/sr), or candela (cd).
출처: www.marktechopto.com/engineering/glossary.cfm
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| luminal |
The layer of a tubular organ (eg, the colon) which forms the inner surface.
출처: www.mshri.on.ca/colorectalcancer/definitions.html
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| luminance |
a measure of the brightness of a surface; See radiance
출처: k12.ocs.ou.edu/teachers/glossary/l.html
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