colour.models.oetf_BT709#

colour.models.oetf_BT709(L: FloatingOrArrayLike) FloatingOrNDArray[source]#

Define Recommendation ITU-R BT.709-6 opto-electronic transfer function (OETF).

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

[InternationalTUnion15b]

Examples

>>> oetf_BT709(0.18)  
0.4090077...