Systems, methods, and computer program products for converting between color gamuts associated with different image processing devices

摘要

The present invention provides systems, methods, and computer program products for performing color gamut mapping between different color gamuts on a pixel basis. A set of desired parameters is initially defined representing the desired color gamut transformation to which the color values of the pixel are to be mapped. The parameters describe the best-fit lines for the portions of the curve for the gamut transform to which the specific parameters are applied. The present invention next maps the color values used for the pixel in the first color gamut and the color values used for the pixel in the second gamut to the parameters of the transform. The present invention performs mapping by isolating portions of a curve and approximating those portions of the curve with a best straight-line fit. This method of mapping from one color gamut to another color gamut is less computationally intensive than conventional methods.