colour.models.oetf_BT601¶
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colour.models.
oetf_BT601
(L)[source]¶ Defines Recommendation ITU-R BT.601-7 opto-electronic transfer function (OETF / OECF).
Parameters: L (numeric or array_like) – Luminance \(L\) of the image. Returns: Corresponding electrical signal \(E\). Return type: numeric or ndarray Notes
Domain Scale - Reference Scale - 1 L
[0, 1] [0, 1] Range Scale - Reference Scale - 1 E
[0, 1] [0, 1] References
Examples
>>> oetf_BT601(0.18) # doctest: +ELLIPSIS 0.4090077...