luminance
- noun
- /ˈluːmɪnəns/
- Specialized
- The photographer adjusted the settings to enhance the luminance of the image, making it brighter.
- pixel luminance
- luminance signal
- average luminance
Pull down that saturation and up the luminance a little bit.
- Pull down that saturation and up the luminance a little bit.
- Now, there's one more factor here is that we also have to take into account luminance values.
Examples
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Luminance is "lightness:" Each pixel has a filter over it so it captures luminance in only one channel: red, green, or blue.
Academic text (2009) -
The eye is much more sensitive to differences in color than to luminance or grayscale differences.
Academic text (1992) -
Pull down that saturation and up the luminance a little bit.
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"What is it, then?" Adam's dark eyes had taken on their familiar inner luminance.
Fiction book (1991) -
If the camera only captures a single luminance value for each pixel, how do we end up with three?
Academic text (2009) -
Recall that the sensor pixels capture luminance data: red, green, or blue luminance data.
Academic text (2009) -
The closer two colors are in luminance, said Livingstone, the more they seem to shimmer.
Blog text (3) -
It is the interaction between luminance light and the edges of static objects which creates the illusion of motion of those objects.
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In normal operation, the overall variation was 11.0% of the peak luminance, while in bootstrapped operation the variation was 7.2%.
Academic text (2000) -
All the investigations were done with a surrounding luminance density between 150 cd/m² and 300 cd/m².
Academic text (2010)
Synonyms
How much light something gives or how close it looks to white
A very bright light that makes it hard to see
How much light an object gives or reflects
The amount of light or heat that comes from a surface in one direction
The amount of light a thing gives or reflects
A brightness in an image or scene that changes mood
Bright, strong light that shines from something like the sun or a diamond
How bright something is because it gives or reflects light
Antonyms
Compounds
How Bright
Surface Forms
Morphology
Etymology
Luminance comes from the Latin root lumen, meaning 'light', and it is the same root you see in luminous and illuminate. So luminance refers to the 'brightness' of a surface, the amount of light we can see or measure.