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[JO+03]  Halftoning Over a Hexagonal Grid

Jodoin:2003:HOA (In proceedings)
Author(s)Jodoin P.M. and Ostromoukhov V.
Title« Halftoning Over a Hexagonal Grid »
InProceedings of SPIE Color Imaging VIII: Processing, Hardcopy, and Applications
SeriesSPIE Proceedings Series
Editor(s)Reiner Eschbach and Gabriel G. Marcu
Volume5008
Page(s)443--454
Year2003
PublisherSPIE
AddressBellingham, Washington
URLhttp://www.iro.umontreal.ca/~ostrom/publications/abstracts.html#SPIE03_Hexagonal
Editor(s)Reiner Eschbach and Gabriel G. Marcu

Abstract
In this contribution, we present an optimal halftoning algorithm that uniformly distributes pixels over a hexagonal grid. This method is based on a slightly modified error-diffusion approach presented at SIGGRAPH 2001. Our algorithm's parameters are optimized using a simplex downhill search method together with a blue noise based cost function . We thus present a mathematical basis needed to perform spectral and spatial calculations on a hexagonal grid. The proposed algorithm can be used in a wide variety of printing and visualization tasks. We introduce an application where our error-diffusion technique can be directly used to produce clustered screen cells.

BibTeX code
@inproceedings{Jodoin:2003:HOA,
  optpostscript = {},
  www = {http://spie.org/scripts/abstract.pl?bibcode=2003SPIE%2e5008%2e%2e443J},
  optnote = {},
  optorganization = {},
  author = {Pierre-Marc Jodoin and Victor Ostromoukhov},
  optkey = {},
  series = {SPIE Proceedings Series},
  optannote = {},
  editor = {Reiner Eschbach and Gabriel G. Marcu},
  url = {http://www.iro.umontreal.ca/~ostrom/publications/abstracts.html#SPIE03_Hexagonal},
  address = {Bellingham, Washington},
  localfile = {papers/Jodoin.2003.HOA.pdf},
  optisbn = {},
  publisher = {SPIE},
  optmonth = {},
  doi = {http://dx.doi.org/10.1117/12.473230},
  citeseer = {http://citeseer.ist.psu.edu/564030.html},
  volume = {5008},
  optcrossref = {},
  booktitle = {Proceedings of SPIE Color Imaging VIII: Processing, Hardcopy, and
               Applications},
  optnumber = {},
  abstract = {In this contribution, we present an optimal halftoning algorithm
              that uniformly distributes pixels over a hexagonal grid. This
              method is based on a slightly modified error-diffusion approach
              presented at SIGGRAPH 2001. Our algorithm's parameters are
              optimized using a simplex downhill search method together with a
              blue noise based cost function . We thus present a mathematical
              basis needed to perform spectral and spatial calculations on a
              hexagonal grid. The proposed algorithm can be used in a wide
              variety of printing and visualization tasks. We introduce an
              application where our error-diffusion technique can be directly
              used to produce clustered screen cells.},
  title = {{H}alftoning {O}ver a {H}exagonal {G}rid},
  year = {2003},
  pages = {443--454},
}

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