Patent ID: 6335983
Filing Date: 2002-01-01
Classification: G06T,H04N

Abstract:
A method for representing a digital image having color values with an extended color gamut in a storage color space having a limited color gamut comprising:a) providing a color adjustment function that can be used to adjust the color values of an extended color gamut digital image to fit within the limited color gamut the color adjustment function comprising a difference between the extended color gamut digital image and a limited color gamut digital image fitting within the limited color gamut; b) adjusting the color values of the extended color gamut digital image to fit within the limited color gamut to form the limited color gamut digital image using the color adjustment function; c) representing the limited color gamut digital image in the storage color space; and d) storing information about the color adjustment function with the limited color gamut digital image in the storage color space such that the associated information and the limited color gamut digital image are adapted to be used to produce a reconstructed extended color gamut digital image.