luminance ratio, <of a scene or an image>

quotient of the maximum luminance and the minimum luminance that is present in a specific scene, artwork, photograph, photomechanical, or other reproduction

Note 1 to entry: The luminance ratio has unit one.

Note 2 to entry: This entry was numbered 17-719 in CIE S 017:2011.

Publication date: 2020-12
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