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Replacing A Defective Colorant

  • US 20120327478A1
  • Filed: 06/23/2011
  • Published: 12/27/2012
  • Est. Priority Date: 06/23/2011
  • Status: Active Grant
First Claim
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1. A method of forming an image using a plurality of device-dependent colorants, comprising:

  • receiving at least one raster of halftoned image pixels each having a discrete value for each of the colorants;

    for a raster associated with a defective colorant, modifying the values of the pixels to replace the defective colorant with an added amount of at least one non-defective colorant, the amount for each individual pixel determined according to a predetermined non-linear relationship from a local density of the defective colorant at the corresponding pixel.

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