Information
- Publication Type: Technical Report
- Workgroup(s)/Project(s): not specified
- Date: November 1994
- Number: TR-186-2-94-15
- Keywords: digital halftoning, ordered dithering, threshold matrix
Abstract
This paper examines the possibilities of improving
halftoning techniques using dispersed dots. This
corresponds to finding micro-dot distributions that
approximate the intensity levels that have to be
rendered. A widely used halftoning method is ordered
dithering, which uses a threshold matrix to decide
if a micro-dot should be set in the output image. A
way to generate improved threshold matrices for
ordered dithering will be introduced that avoids
unwanted low-frequency portions without introducing
too much random noise into the rendered image. Since
the presented method produces images of high quality
it is ideally suited for output generation in high-end
image processing systems.
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BibTeX
@techreport{Purgathofer-1994-FRD,
title = "Forced Random Dithering: Improved Threshold
Matrices for Ordered Dithering",
author = "Werner Purgathofer and Robert F. Tobler and Manfred Geiler",
year = "1994",
abstract = "This paper examines the possibilities of improving
halftoning techniques using dispersed dots. This corresponds
to finding micro-dot distributions that approximate the
intensity levels that have to be rendered. A widely used
halftoning method is ordered dithering, which uses a
threshold matrix to decide if a micro-dot should be set in
the output image. A way to generate improved threshold
matrices for ordered dithering will be introduced that
avoids unwanted low-frequency portions without introducing
too much random noise into the rendered image. Since the
presented method produces images of high quality it is
ideally suited for output generation in high-end
image processing systems.",
month = nov,
number = "TR-186-2-94-15",
address = "Favoritenstrasse 9-11/E193-02, A-1040 Vienna, Austria",
institution = "Institute of Computer Graphics and Algorithms, Vienna
University of Technology ",
note = "human contact: technical-report@cg.tuwien.ac.at",
keywords = "digital halftoning, ordered dithering, threshold matrix",
URL = "https://www.cg.tuwien.ac.at/research/publications/1994/Purgathofer-1994-FRD/",
}