colour.models.oetf_inverse_BT601#

colour.models.oetf_inverse_BT601(E: FloatingOrArrayLike) FloatingOrNDArray[source]#

Define Recommendation ITU-R BT.601-7 inverse opto-electronic transfer function (OETF).

Parameters

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

Returns

Corresponding luminance \(L\) of the image.

Return type

numpy.floating or numpy.ndarray

Notes

Domain

Scale - Reference

Scale - 1

E

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

L

[0, 1]

[0, 1]

References

[InternationalTUnion11b]

Examples

>>> oetf_inverse_BT601(0.409007728864150)  
0.1...