colour.characterisation.colour_correction_Finlayson2015#
- colour.characterisation.colour_correction_Finlayson2015(RGB: ArrayLike, M_T: ArrayLike, M_R: ArrayLike, degree: Literal[1, 2, 3, 4] | int = 1, root_polynomial_expansion: bool = True) NDArrayFloat [source]#
Perform colour correction of given RGB colourspace array using the colour correction matrix from given \(M_T\) colour array to \(M_R\) colour array using Finlayson et al. (2015) method.
- Parameters:
RGB (ArrayLike) – RGB colourspace array to colour correct.
M_T (ArrayLike) – Test array \(M_T\) to fit onto array \(M_R\).
M_R (ArrayLike) – Reference array the array \(M_T\) will be colour fitted against.
degree (Literal[1, 2, 3, 4] | int) – Expanded polynomial degree.
root_polynomial_expansion (bool) – Whether to use the root-polynomials set for the expansion.
- Returns:
Colour corrected RGB colourspace array.
- Return type:
References
[FMH15]
Examples
>>> RGB = np.array([0.17224810, 0.09170660, 0.06416938]) >>> prng = np.random.RandomState(2) >>> M_T = prng.random_sample((24, 3)) >>> M_R = M_T + (prng.random_sample((24, 3)) - 0.5) * 0.5 >>> colour_correction_Finlayson2015(RGB, M_T, M_R) array([ 0.1793456..., 0.1003392..., 0.0617218...])