Paper Title:
Improved Subdivision Based Halftoning Algorithm
  Abstract

The subdivision based halftoning algorithm works in a statistical way. Analysis of its output shows that, error accumulation and rounding operation may produce big quantization error, and there may be artifacts in its output. Some improvements have been proposed. First, a procedure is added to find cases with big quantization error, and to solve the problem. Second, instead of propagating error sequentially as in the algorithm, propagating error along random directions has been tested to reduce the artifacts in the output. Third, propagating error along a direction, in which the quantization error of each subpart is the minimum, has also been tested to improve the output quality. Halftoning tests show that the improved algorithm produces clearer output than the original.

  Info
Periodical
Edited by
Yanwen Wu
Pages
368-371
DOI
10.4028/www.scientific.net/AMR.267.368
Citation
D. X. Wang, S. Chen, "Improved Subdivision Based Halftoning Algorithm", Advanced Materials Research, Vol. 267, pp. 368-371, 2011
Online since
June 2011
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$35.00
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