colour.models.eotf_DICOMGSDF

colour.models.eotf_DICOMGSDF(J, in_int=False)[source]

Defines the DICOM - Grayscale Standard Display Function electro-optical transfer function (EOTF / EOCF).

Parameters:
  • J (numeric or array_like) – Just-Noticeable Difference (JND) Index, \(j\).
  • in_int (bool, optional) – Whether to treat the input value as integer code value or float equivalent of a code value at a given bit depth.
Returns:

Corresponding luminance \(L\).

Return type:

numeric or ndarray

Notes

Domain Scale - Reference Scale - 1
J [0, 1] [0, 1]
Range Scale - Reference Scale - 1
L [0, 1] [0, 1]

References

[NationalElectricalManufacturersAssociation2004b]

Examples

>>> eotf_DICOMGSDF(0.500486263438448)  # doctest: +ELLIPSIS
130.0628647...
>>> eotf_DICOMGSDF(512, in_int=True)  # doctest: +ELLIPSIS
130.0652840...