colour.models.log_decoding_ERIMMRGB

colour.models.log_decoding_ERIMMRGB(X_p, I_max=255, E_min=0.001, E_clip=316.2)[source]

Defines the ERIMM RGB log decoding curve / electro-optical transfer function (EOTF / EOCF).

Parameters:
  • X_p (numeric or array_like) – Non-linear data \(X'_{ERIMM}\).
  • I_max (numeric, optional) – Maximum code value: 255, 4095 and 650535 for respectively 8-bit, 12-bit and 16-bit per channel.
  • E_min (numeric, optional) – Minimum exposure limit.
  • E_clip (numeric, optional) – Maximum exposure limit.
Returns:

Linear data \(X_{ERIMM}\).

Return type:

numeric or ndarray

References

Examples

>>> log_decoding_ERIMMRGB(104.56335932049294) 
0.1...