colour.characterisation.polynomial_expansion_Finlayson2015¶
-
colour.characterisation.
polynomial_expansion_Finlayson2015
(RGB, degree=1, root_polynomial_expansion=True)[source]¶ Performs polynomial expansion of given RGB colourspace array using Finlayson et al. (2015) method.
- Parameters
- Returns
Expanded RGB colourspace array.
- Return type
ndarray
References
Examples
>>> RGB = np.array([0.17224810, 0.09170660, 0.06416938]) >>> polynomial_expansion_Finlayson2015(RGB, degree=2) array([ 0.1722481..., 0.0917066..., 0.06416938..., 0.0078981..., 0.0029423..., 0.0055265...])