colour.CAM02LCD_to_JMh_CIECAM02¶

colour.CAM02LCD_to_JMh_CIECAM02(Jpapbp)[source]¶

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

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

Notes

Domain Scale - Reference Scale - 1

Jpapbp

Jp_1 : [0, 100]

ap_1 : [-100, 100]

bp_1 : [-100, 100]

Jp_1 : [0, 1]

ap_1 : [-1, 1]

bp_1 : [-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]

References

[LCL06]

Examples

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