colour.models.eotf_reverse_BT1886¶
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colour.models.
eotf_reverse_BT1886
(L, L_B=0, L_W=1)[source]¶ Defines Recommendation ITU-R BT.1886 reverse electro-optical transfer function (EOTF / EOCF).
Parameters: - L (numeric or array_like) – Screen luminance in \(cd/m^2\).
- L_B (numeric, optional) – Screen luminance for black.
- L_W (numeric, optional) – Screen luminance for white.
Returns: Input video signal level (normalised, black at \(V = 0\), to white at \(V = 1\).
Return type: numeric or ndarray
Notes
Domain Scale - Reference Scale - 1 L
[0, 1] [0, 1] Range Scale - Reference Scale - 1 V
[0, 1] [0, 1] References
Examples
>>> eotf_reverse_BT1886(0.11699185725296059) # doctest: +ELLIPSIS 0.4090077...