Method for optimizing an image processing and printing process
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United States of America Patent
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Oct 26, 2004
Grant Date -
Feb 12, 2004
app pub date -
May 13, 2003
filing date -
Nov 13, 2000
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Expired
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Abstract
A method for optimizing colored images emitted by a color printer on the non-white surfaces of substrates and for optimizing the amounts of printing ink used, wherein an image motif is processed by a computer-assisted image processing system in order to form a master copy which is ready for output. The method determines, for each pixel, whether and with what color density, a white underprint can be applied to a corresponding pixel, using an algorithm based on overall color density S.sub.F. The surface of the substrate is thus only underprinted with white on the pixels of the master copy where the overall color density is lacking or low.
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