colour.models.oetf_BT709

colour.models.oetf_BT709(L)[source]

Defines Recommendation ITU-R BT.709-6 opto-electronic transfer function (OETF / OECF).

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

Notes

Domain Scale - Reference Scale - 1
L [0, 1] [0, 1]
Range Scale - Reference Scale - 1
V [0, 1] [0, 1]

References

[InternationalTelecommunicationUnion2015i]

Examples

>>> oetf_BT709(0.18)  # doctest: +ELLIPSIS
0.4090077...