@inproceedings{Buchanan:1997:TDH,
opteditor = {},
optcitations =
{Floyd:1975:AAS,Geist:1993:MFD,Knuth:1987:DHD,Ostromoukhov:1994:RDD,Ostromoukhov:1995:AS,Ulichney:1987:DH,Velho:1991:DHS,Velho:1995:SSD},
optnote = {},
optaddress = {},
optorganization = {},
author = {John W. Buchanan and Lisa M. Streit},
optkey = {},
optseries = {},
localfile = {papers/Buchanan.1997.TDH.pdf},
optpublisher = {},
optmonth = {},
opturl = {},
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optcrossref = {},
booktitle = {Proceedings of SKIGRAPH 1997, Eighth Western Computer Graphics
Symposium (Whistler, Canada, April 1997)},
optstatus = {doi, url, publisher},
optvolume = {},
optnumber = {},
title = {{T}hreshold-{D}iffuse {H}ybrid {H}alf-toning {M}ethods},
abstract = {Gray-scale images can be displayed on binary display devices using
a process known as half-toning where gray intensities are
approximated by different distributions of black and white pixels.
There is a significant number of methods with which these binary
or half-toned approximations can be generated. Most of the
available methods can be categorized as either a threshold-matrix
half-toning method or as an error-diffusion half-toning method.
The threshold-matrix half-toning methods are fast and simple to
implement and they can be used with or without an increase in
resolution. The binary approximation of each gray-scale value is
computed independently. Images half-toned with threshold matrices
often exhibit quantization bands in areas of the image where a
smooth intensity change occurs. Error-diffusion half-toning
methods approximate the image one segment at a time. Any error
resulting from a segment's approximation is propagated to
unprocessed segments. In this paper we present some results from
our current research focused on producing half-toning methods that
are hybrids of threshold-matrix and error-diffusion half-toning.
In particular, we introduce three hybrid methods: Threshold-matrix
with error-diffusion, Variable shape threshold-matrix, and
Variable threshold with error-diffusion. Each of these techniques
brings together aspects from both threshold-matrix and
error-diffusion half-toning methods. The common feature of these
three methods is that they remove the quantization bands
introduced by the use of small threshold matrices.},
year = {1997},
pages = {79--90},
}
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