colour.IPT_Ragoo2021_to_XYZ#

colour.IPT_Ragoo2021_to_XYZ(IPT: ArrayLike) → NDArrayFloat[source]#

Convert from Ragoo and Farup (2021) Optimised IPT colourspace to CIE XYZ tristimulus values.

Parameters:: IPT (ArrayLike) – Ragoo and Farup (2021) Optimised IPT colourspace array.
Returns:: CIE XYZ tristimulus values.
Return type:: numpy.ndarray

Notes

Domain	Scale - Reference	Scale - 1
`IPT`	`I` : [0, 1] `P` : [-1, 1] `T` : [-1, 1]	`I` : [0, 1] `P` : [-1, 1] `T` : [-1, 1]

Domain

Scale - Reference

Scale - 1

IPT

I : [0, 1]

P : [-1, 1]

T : [-1, 1]

I : [0, 1]

P : [-1, 1]

T : [-1, 1]

Range	Scale - Reference	Scale - 1
`XYZ`	[0, 1]	[0, 1]

References

Examples

>>> IPT = np.array([0.42248243, 0.2910514, 0.20410663])
>>> IPT_Ragoo2021_to_XYZ(IPT)  
array([ 0.2065400...,  0.1219722...,  0.0513695...])