colour.models.eotf_inverse_sRGB#

colour.models.eotf_inverse_sRGB(L: FloatingOrArrayLike) FloatingOrNDArray[source]#

Define the IEC 61966-2-1:1999 sRGB inverse electro-optical transfer function (EOTF).

Parameters

L (FloatingOrArrayLike) – Luminance \(L\) of the image.

Returns

Corresponding electrical signal \(V\).

Return type

numpy.floating or numpy.ndarray

Notes

Domain

Scale - Reference

Scale - 1

L

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

V

[0, 1]

[0, 1]

References

[InternationalECommission99], [InternationalTUnion15b]

Examples

>>> eotf_inverse_sRGB(0.18)  
0.4613561...