colour.CAM02LCD_to_JMh_CIECAM02#

colour.CAM02LCD_to_JMh_CIECAM02(Jpapbp: ArrayLike) → NDArrayFloat[source]#

Convert from Luo et al. (2006) CAM02-LCD colourspace \(J'a'b'\) array to CIECAM02 \(JMh\) correlates array.

Parameters:: Jpapbp (ArrayLike) – Luo et al. (2006) CAM02-LCD colourspace \(J'a'b'\) array.
Returns:: CIECAM02 correlates array \(JMh\).
Return type:: numpy.ndarray

Notes

LCD in CAM02-LCD stands for Large Colour Differences.

Domain	Scale - Reference	Scale - 1
`Jpapbp`	`Jp` : [0, 100] `ap` : [-100, 100] `bp` : [-100, 100]	`Jp` : [0, 1] `ap` : [-1, 1] `bp` : [-1, 1]

Domain

Scale - Reference

Scale - 1

Jpapbp

Jp : [0, 100]

ap : [-100, 100]

bp : [-100, 100]

Jp : [0, 1]

ap : [-1, 1]

bp : [-1, 1]

Range	Scale - Reference	Scale - 1
`JMh`	`J` : [0, 100] `M` : [0, 100] `h` : [0, 360]	`J` : [0, 1] `M` : [0, 1] `h` : [0, 1]

Range

Scale - Reference

Scale - 1

JMh

J : [0, 100]

M : [0, 100]

h : [0, 360]

J : [0, 1]

M : [0, 1]

h : [0, 1]

References

[LCL06]

Examples

>>> Jpapbp = np.array([54.90433134, -0.08450395, -0.06854831])
>>> CAM02LCD_to_JMh_CIECAM02(Jpapbp)  
array([  4.1731091...e+01,   1.0884217...e-01,   2.1904843...e+02])