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Proceedings Paper

The 30-year evolution of digital halftoning from the viewpoint of a participant
Author(s): Charles M. Hains
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Paper Abstract

The 30-year history of the development of digital halftone technology within one company (Xerox) is followed from the viewpoint of the author’s involvement and participation. The history has an emphasis on the evolution in complexity from very simple threshold arrays through multi-center dots, high-addressability writing, non-orthogonal screens and other methods for avoidance of color moire. The paper is not meant to address all forms of digital halftoning, but concentrates on the requirements of laser-scanned xerography and clustered dots. Graphic examples of various halftone dot-growth sequences are provided. Key advances and lessons in the development of halftoning are summarized.

Paper Details

Date Published: 18 December 2003
PDF: 14 pages
Proc. SPIE 5293, Color Imaging IX: Processing, Hardcopy, and Applications, (18 December 2003); doi: 10.1117/12.538849
Show Author Affiliations
Charles M. Hains, Xerox Corp. (United States)


Published in SPIE Proceedings Vol. 5293:
Color Imaging IX: Processing, Hardcopy, and Applications
Reiner Eschbach; Gabriel G. Marcu, Editor(s)

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