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PQ

Perceptual Quality Transform

Description

The Perceptual Quantizer is a transfer function that allows for the display of high dynamic range (HDR) video.

Usage

PQ.EOTF( Lmax=10000 )

Arguments

Lmax

the maximum luminance, in cd/m^2, or nit.

Value

PQ.EOTF() returns a TransferFunction that maps signal-display RGB to linear-display RGB. The interval [0,1] maps to [0,Lmax].

References

ST-2084. SMPTE Standard - High Dynamic Range Electro-Optical Transfer Function of Mastering Reference Displays. 2014.

See Also

spacesRGB

Standard and User-Defined RGB Color Spaces, with Conversion Between RGB and CIE XYZ

v1.3-0
GPL (>= 3)
Authors
Glenn Davis [aut,cre]
Initial release
2019-12-10

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