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Volume: 32 | Article ID: art00021
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Developing an inkjet printer II : CMY ink amounts to multibit CMY halftones
  DOI :  10.2352/ISSN.2470-1173.2020.15.COLOR-351  Published OnlineJanuary 2020
Abstract

In this paper, we propose a novel error diffusion halftoning algorithm for the conversion of cyan, magenta and yellow (CMY) ink amounts to a multi-bit halftone image. We adopt the idea of allowing multiple drops of colorants in order to achieve print results with better saturation, which is implemented by modifying the classic Floyd-Steinberg error diffusion algorithm. For better halftone texture and more efficient use of colorants, we add a dot-off-dot feature to the classic Floyd-Steinberg error diffusion. Blending-in the original input image with its DBS screened multilevel halftone image as a preprocessing step to dot-off-dot error diffusion is proposed as a measure to reduce halftone artifacts. Digitally simulated halftone images will be presented to illustrate the better halftone texture that can be achieved by applying the proposed algorithm.

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Baekdu Choi, Daulet Kenzhebalin, Sige Hu, George Chiu, Davi He, Zillion Lin, Jan P. Allebach, "Developing an inkjet printer II : CMY ink amounts to multibit CMY halftonesin Proc. IS&T Int’l. Symp. on Electronic Imaging: Color Imaging XXV: Displaying, Processing, Hardcopy, and Applications,  2020,  pp 351-1 - 351-9,  https://doi.org/10.2352/ISSN.2470-1173.2020.15.COLOR-351

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