colour.models.log_decoding_Protune

colour.models.log_decoding_Protune(y)[source]

Defines the Protune log decoding curve / electro-optical transfer function.

Parameters:y (numeric or array_like) – Non-linear data \(y\).
Returns:Linear data \(x\).
Return type:numeric or ndarray

Notes

Domain Scale - Reference Scale - 1
y [0, 1] [0, 1]
Range Scale - Reference Scale - 1
x [0, 1] [0, 1]

References

[GoPro2016a]

Examples

>>> log_decoding_Protune(0.645623486803636)  # doctest: +ELLIPSIS
0.1...