colour.models.eotf_BT2020¶
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colour.models.
eotf_BT2020
(E_p, is_12_bits_system=False)[source]¶ Defines Recommendation ITU-R BT.2020 electro-optical transfer function (EOTF / EOCF).
Parameters: - E_p (numeric or array_like) – Non-linear signal \(E'\).
- is_12_bits_system (bool) – BT.709 alpha and beta constants are used if system is not 12-bit.
Returns: Resulting voltage \(E\).
Return type: numeric or ndarray
References
Examples
>>> eotf_BT2020(0.705515089922121) 0.4999999...