METHOD AND APPARATUS FOR GENERATING WHITE UNDERBASE AND GENERATING MODIFIED SEPARATIONS FOR PRINTING ON COLORED BACKGROUND OTHER THAN BLACK AND WHITE

摘要

The invention relates to an embedded system for online or offline printing on colored background other than black or white, based on automatic generation of white underbase including printing ink separations, the system comprising: an embedded apparatus for receiving input data respecting an image printable on me colored background, the image constituting one of a color and a grayscale containing transparency information, the apparatus processing the input data and outputting white underbase information including printing ink separation; a dual- acting device capable of acting in a first aspect as a plate making or film generating means in respect of offline printing, and in a second aspect acting as a print controller in respect of online printing; and a printing device selected from a group consisting of offset printing device, screen printing device and Hybrid printing device when offline printing being adapted, and/or, selected from a group comprising inkjet printer, laser printer and toner-based printer when online printing being resorted.