Patent ID: 6560356
Filing Date: 2003-05-06
Classification: H04N

Abstract:
A color gamut compression method comprising:converting color inside a color gamut of an information-input apparatus, said first color of the information-input apparatus outside a color gamut of an information-output apparatus, to color inside the color gamut of the information-output apparatus, wherein one of a point having a saturation value of 0, a point having an average value of the color gamut in said information-input apparatus, a point having a central value of the color gamut in the information-input apparatus, and a point having a weighted value in said information-input apparatus is taken to be a point of convergence, said point of convergence is taken to be an endpoint of a line, and wherein color in the information-input apparatus which is not in the color gamut in the information-output apparatus is converted to color on said line which passes through a point which corresponds to a color in said information-input apparatus and which is in the color gamut in the information-output apparatus.