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Tinted edge enhancement using harmonic halftones for the boundary pixels

  • US 20060087694A1
  • Filed: 10/26/2004
  • Published: 04/27/2006
  • Est. Priority Date: 10/26/2004
  • Status: Active Grant
First Claim
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1. An image processing method for producing image objects with enhanced halftone edges comprising:

  • defining border pixels of an image object;

    selecting a first halftone screen having a first fundamental frequency and a first angle for printing the image object; and

    selecting a second halftone screen having a second fundamental frequency and a second angle for printing the defined border pixels, wherein the second frequency and second angle are harmonically matched to the first frequency and first angle.

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