Patent ID: 8564835
Filing Date: 2013-10-22
Classification: H04N

Abstract:
1. A method for managing a set of colors in a document, the method comprising: identifying a plurality of respective costs, each respective cost associated with printing the document using a respective combination of a plurality of combinations of the set of colors; identifying an amount of contrast for a first respective combination using a contrast matrix, wherein the contrast matrix contains a contrast value for pairs of colors in the set of colors, wherein the step of identifying the amount of contrast for the first respective combination using the contrast matrix comprises adding the contrast value for each pair of colors in the first respective combination of the set of colors; determining whether the amount of contrast for the first respective combination and an associated respective cost for the first respective combination meet a set of criteria, wherein the set of criteria comprises a minimum number of pairs in the first respective combination having the contrast value greater than a threshold value; and responsive to a determination that the set of criteria is met, printing the document using the first respective combination.