Colour Characterisation

Colour Fitting

colour

POLYNOMIAL_EXPANSION_METHODS Supported polynomial expansion methods.
polynomial_expansion(a[, method]) Performs polynomial expansion of given \(a\) array.
COLOUR_CORRECTION_MATRIX_METHODS Supported colour correction matrix methods.
colour_correction_matrix(M_T, M_R[, method]) Computes a colour correction from given \(M_T\) colour array to \(M_R\) colour array.
COLOUR_CORRECTION_METHODS Supported colour correction methods.
colour_correction(RGB, M_T, M_R[, method]) Performs colour correction of given RGB colourspace array using the colour correction matrix from given \(M_T\) colour array to \(M_R\) colour array.

Ancillary Objects

colour.characterisation

augmented_matrix_Cheung2004(RGB[, terms]) Performs polynomial expansion of given RGB colourspace array using Cheung et alii (2004) method.
polynomial_expansion_Finlayson2015(RGB[, …]) Performs polynomial expansion of given RGB colourspace array using Finlayson et alii (2015) method.
polynomial_expansion_Vandermonde(a[, degree]) Performs polynomial expansion of given \(a\) array using Vandermonde method.
colour_correction_matrix_Cheung2004(M_T, M_R) Computes a colour correction from given \(M_T\) colour array to \(M_R\) colour array using Cheung et alii (2004) method.
colour_correction_matrix_Finlayson2015(M_T, M_R) Computes a colour correction from given \(M_T\) colour array to \(M_R\) colour array using Finlayson et alii (2015) method.
colour_correction_matrix_Vandermonde(M_T, M_R) Computes a colour correction from given \(M_T\) colour array to \(M_R\) colour array using Vandermonde method.
colour_correction_Cheung2004(RGB, M_T, M_R) Performs colour correction of given RGB colourspace array using the colour correction matrix from given \(M_T\) colour array to \(M_R\) colour array using Cheung et alii (2004) method.
colour_correction_Finlayson2015(RGB, M_T, M_R) Performs 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 alii (2015) method.
colour_correction_Vandermonde(RGB, M_T, M_R) Performs colour correction of given RGB colourspace array using the colour correction matrix from given \(M_T\) colour array to \(M_R\) colour array using Vandermonde method.

Colour Rendition Charts

Dataset

colour

COLOURCHECKERS Aggregated ColourCheckers chromaticity coordinates.
COLOURCHECKERS_SPDS Aggregated ColourCheckers spectral power distributions.

Ancillary Objects

colour.characterisation

ColourChecker ColourChecker data.

Cameras

colour.characterisation

RGB_SpectralSensitivities([data, domain, labels]) Implements support for a camera RGB spectral sensitivities.

Dataset

colour

CAMERAS_RGB_SPECTRAL_SENSITIVITIES Cameras RGB spectral sensitivities.

Displays

colour.characterisation

RGB_DisplayPrimaries([data, domain, labels]) Implements support for a RGB display (such as a CRT or LCD) primaries multi-spectral power distributions.

Dataset

colour

DISPLAYS_RGB_PRIMARIES Displays RGB primaries multi-spectral power distributions.