colour.models.oetf_ARIBSTDB67¶
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colour.models.
oetf_ARIBSTDB67
(E, r=0.5)[source]¶ Defines ARIB STD-B67 (Hybrid Log-Gamma) opto-electrical transfer function (OETF / OECF).
Parameters: - E (numeric or array_like) – Voltage normalized by the reference white level and proportional to the implicit light intensity that would be detected with a reference camera color channel R, G, B.
- r (numeric, optional) – Video level corresponding to reference white level.
Returns: Resulting non-linear signal \(E'\).
Return type: numeric or ndarray
References
Examples
>>> oetf_ARIBSTDB67(0.18) 0.2121320...