colour.models.eotf_BT2100_PQ¶
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colour.models.
eotf_BT2100_PQ
(E_p)[source]¶ Defines Recommendation ITU-R BT.2100 Reference PQ electro-optical transfer function (EOTF / EOCF).
The EOTF maps the non-linear PQ signal into display light.
Parameters: E_p (numeric or array_like) – \(E'\) denotes a non-linear colour value \({R', G', B'}\) or \({L', M', S'}\) in PQ space [0, 1]. Returns: \(F_D\) is the luminance of a displayed linear component \({R_D, G_D, B_D}\) or \(Y_D\) or \(I_D\), in \(cd/m^2\). Return type: numeric or ndarray Notes
Domain Scale - Reference Scale - 1 E_p
[0, 1] [0, 1] Range Scale - Reference Scale - 1 F_D
[0, 1] [0, 1] References
[Bor17], [InternationalTUnion16]
Examples
>>> eotf_BT2100_PQ(0.724769816665726) # doctest: +ELLIPSIS 779.9883608...