Patent · US Expired

Quantization method for color document reproduction in a color printing system

US6643030B1 · kind B1 · utility

8Cited by
11References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 1999
Grant dateNov 4, 2003
Priority date
Expiry dateDec 15, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/52
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention is a method and apparatus for reducing two-color moiréoften found during the rendering of full color images using halftoning techniques, by providing shared screen angles between distinct color separations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.