colour.difference.delta_E_ITP#
- colour.difference.delta_E_ITP(ICtCp_1: ArrayLike, ICtCp_2: ArrayLike) NDArrayFloat [source]#
Return the difference \(\Delta E_{ITP}\) between two given \(IC_TC_P\) colour encoding arrays using Recommendation ITU-R BT.2124.
- Parameters:
ICtCp_1 (ArrayLike) – \(IC_TC_P\) colour encoding array 1.
ICtCp_2 (ArrayLike) – \(IC_TC_P\) colour encoding array 2.
- Returns:
Colour difference \(\Delta E_{ITP}\).
- Return type:
Notes
A value of 1 is equivalent to a just noticeable difference when viewed in the most critical adaptation state.
References
Examples
>>> ICtCp_1 = np.array([0.4885468072, -0.04739350675, 0.07475401302]) >>> ICtCp_2 = np.array([0.4899203231, -0.04567508203, 0.07361341775]) >>> delta_E_ITP(ICtCp_1, ICtCp_2) 1.42657228...