colour.models.eotf_inverse_DICOMGSDF

colour.models.eotf_inverse_DICOMGSDF(L, out_int=False)[source]

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

Parameters

  • L (numeric or array_like) – Luminance \(L\).

  • out_int (bool, optional) – Whether to return value as integer code value or float equivalent of a code value at a given bit depth.

Returns

Just-Noticeable Difference (JND) Index, \(j\).

Return type

numeric or ndarray

Notes

Domain

Scale - Reference

Scale - 1

L

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

J

[0, 1]

[0, 1]

References

[NationalEMAssociation04]

Examples

>>> eotf_inverse_DICOMGSDF(130.0662)  
0.5004862...
>>> eotf_inverse_DICOMGSDF(130.0662, out_int=True)
512