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

References

Examples

>>> oetf_BT709(0.18)  
0.4090077...