colour.models.oetf_reverse_BT601¶
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colour.models.
oetf_reverse_BT601
(E)[source]¶ Defines Recommendation ITU-R BT.601-7 reverse opto-electronic transfer function (OETF / OECF).
Parameters: E (numeric or array_like) – Electrical signal \(E\). Returns: Corresponding luminance \(L\) of the image. Return type: numeric or ndarray Notes
Domain Scale - Reference Scale - 1 E
[0, 1] [0, 1] Range Scale - Reference Scale - 1 L
[0, 1] [0, 1] References
Examples
>>> oetf_reverse_BT601(0.409007728864150) # doctest: +ELLIPSIS 0.1...