Color correction with a four-dimensional look-up table

Details Color correction with a four-dimensional look-up table Color correction with a four-dimensional look-up table

H - Electricity

04

N

H04N 1/60 (2006.01) G06F 15/68 (1990.01) G06F 15/40 (1990.01)

Patent

CA 2129841

2129841 9320648 PCTABS00027 A method of operating a computer system (50) to generate a look-up table (42) to translate a first set of digital information defining a color image corrected for a first printing system (56) into a second set of digital information for a second printing system (66), for the purpose of generating an image on the second printing system which approximates the color characteristics of an image generated on the first printing system. The look-up table is empirically derived by first matching color measurement data (72) from special test target patterns (58, 68) from each printing system and then applying interpolation techniques to estimate appropriate translations for arbitrary inputs.

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