colour.models.oetf_reverse_sRGB¶

colour.models.oetf_reverse_sRGB(V)[source]¶

Defines the sRGB colourspace reverse opto-electronic transfer function (OETF / OECF).

Parameters:	V (numeric or array_like) – Electrical signal \(V\).
Returns:	Corresponding luminance \(L\) of the image.
Return type:	numeric or ndarray

Notes

Domain	Scale - Reference	Scale - 1
`V`	[0, 1]	[0, 1]

Range	Scale - Reference	Scale - 1
`L`	[0, 1]	[0, 1]

References

Examples

>>> oetf_reverse_sRGB(0.461356129500442)  # doctest: +ELLIPSIS
0.1...