colour.models.oetf_inverse_BT709#

colour.models.oetf_inverse_BT709(V: FloatingOrArrayLike) FloatingOrNDArray[source]#

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

Parameters

V (FloatingOrArrayLike) – Electrical signal \(V\).

Returns

Corresponding luminance \(L\) of the image.

Return type

numpy.floating or numpy.ndarray

Notes

Domain

Scale - Reference

Scale - 1

V

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

L

[0, 1]

[0, 1]

References

[InternationalTUnion15b]

Examples

>>> oetf_inverse_BT709(0.409007728864150)  
0.1...