Definition of contrast

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DataRay Inc. - ISO 11146-Compliant Laser Beam Profilers

Photonics Dictionary

contrast: The apparent difference in brightness between light and dark areas of an image. For a light target against a dark background, contrast is computed as follows:

where L_t is the luminance of the target and L_b is the luminance of the background.

PowerPhotonic Ltd. - Bessel Beam Generator MR 6/24

Optimax Systems, Inc. - Ultrafast Coatings 2024 MR

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