Dot-recombined Hybrid Halftoning Algorithm Based on Tone Division

ZHOU Xiao, SHI Rui-zhi, LI Shao-mei, LI Sheng-hui, CAO Zhao-hui

Packaging Engineering ›› 2015 ›› Issue (13) : 104-110150.

Packaging Engineering ›› 2015 ›› Issue (13) : 104-110150.

Dot-recombined Hybrid Halftoning Algorithm Based on Tone Division

  • ZHOU Xiao1, SHI Rui-zhi1, LI Shao-mei1, LI Sheng-hui1, CAO Zhao-hui2
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Abstract

This research aimed to realize the even and smooth dot combination in the transition tone which is critical to improve printing quality. As the screening essences of AM screening and FM screening are different, unevenness of dots would appear in the transition tone, which would cause apparent tone jump and influence printing products’quality. This paper put forward a dot-recombined hybrid halftoning algorithm based on tone division. On the basis of analyzing the idea of hybrid halftoning tone division, a dot recombination method in transition tone was brought forward. By setting up even combination model in transition tone, this paper founded the dot recombination algorithm model and distribution project, and then exemplified several typical models, and conducted quantitative analyses on algorithm effects, which provided reference for dot generation methods. Generated dots in transition zone can realize smooth transition between two types of dots, which improved the output quality of halftone image. Algorithm in this paper can improve printing quality of hybrid halftone image and eliminate visual disturbance. It is an effective method, which can provide reference for dot generating.

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ZHOU Xiao, SHI Rui-zhi, LI Shao-mei, LI Sheng-hui, CAO Zhao-hui. Dot-recombined Hybrid Halftoning Algorithm Based on Tone Division[J]. Packaging Engineering. 2015(13): 104-110150

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