colour.models.oetf_reverse_BT2100_HLG

colour.models.oetf_reverse_BT2100_HLG(E)[source]

Defines Recommendation ITU-R BT.2100 Reference HLG reverse opto-electrical transfer function (OETF / OECF).

Parameters:E_p (numeric or array_like) – \(E'\) is the resulting non-linear signal \({R', G', B'}\).
Returns:\(E\) is the signal for each colour component \({R_S, G_S, B_S}\) proportional to scene linear light and scaled by camera exposure.
Return type:numeric or ndarray

Notes

Domain Scale - Reference Scale - 1
E_p [0, 1] [0, 1]
Range Scale - Reference Scale - 1
E [0, 1] [0, 1]

References

[Bor17], [InternationalTUnion16]

Examples

>>> oetf_reverse_BT2100_HLG(0.212132034355964)  # doctest: +ELLIPSIS
0.0149999...