Patent ID: 8243090

Claim:
A method for image processing that maps a color specified using a color gamut of a first graphical display device to a corresponding color in a color gamut of a second graphical display device, the color gamut of the first graphical display device being defined by a lesser number of basis colors than the color gamut of the second graphical display device, the method comprising: constructing a map based on constant hue lines in a chromaticity diagram that provides a direction and a magnitude for a unit change in chroma for the specified color; in conjunction with preparing an image for display in the second graphical display device, mapping the specified color to the corresponding color, the corresponding color being derived by applying to the specified color a predetermined shift in chromaticity for the specified color, in accordance with the direction and the magnitude provided by the map for the specified color; and sending the corresponding color over a communication link to the second graphical display device for display.