colour.models.oetf_inverse_H273_LogSqrt#
- colour.models.oetf_inverse_H273_LogSqrt(V)[source]#
Define Recommendation ITU-T H.273 inverse-opto-electronic transfer function (OETF) for logarithmic encoding (100*Sqrt(10):1 range).
- Parameters:
V – Electrical signal \(V\).
- Returns:
Corresponding scene Luminance \(L_c\).
- Return type:
Notes
Range
Scale - Reference
Scale - 1
V
[0, 1]
[0, 1]
Domain
Scale - Reference
Scale - 1
L_c
[0, 1]
[0, 1]
References
Warning
The function is clamped to domain [sqrt(10) / 1000, np.inf].
Examples
>>> oetf_inverse_H273_LogSqrt(0.702109002041) 0.1799999999... >>> oetf_inverse_H273_LogSqrt(0.0) 0.00316227766... >>> oetf_inverse_H273_LogSqrt(1.0) 1.0