METHOD FOR COLOR HALFTONING WHEN UTILIZING REDUNDANT COLOUR INKS

摘要

A method for utilizing redundant color inks to improve image quality while minimizing any undesirable effects such as texture or graininess. The method comprises tessellating the available redundant color space as defined by the available redundant ink colorants into regions where the regions are arrange d so as to minimize the range of luminance variation found within the regions. Th e result is perceived by the eye as less grainy in texture as well as much mor e pleasing to the eye.