colour.eotf_inverse#

colour.eotf_inverse(value: ArrayLike, function: LiteralEOTFInverse | str = 'ITU-R BT.1886', **kwargs) NDArrayFloat | NDArrayInt[source]#

Encode estimated tristimulus values in a scene to \(R'G'B'\) video component signal value using given inverse electro-optical transfer function (EOTF).

Parameters:
Returns:

\(R'G'B'\) video component signal value.

Return type:

numpy.ndarray

Examples

>>> eotf_inverse(0.11699185725296059)  
0.4090077...
>>> eotf_inverse(  
...     0.11699185725296059, function="ITU-R BT.1886"
... )
0.4090077...