Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16702
Title: Feature-preserving multilevel halftoning algorithm
Authors: Wong, LY
Chan, YH 
Issue Date: 2012
Publisher: SPIE-International Society for Optical Engineering
Source: Journal of electronic imaging, 2012, v. 21, no. 4, e5415 How to cite?
Journal: Journal of electronic imaging 
Abstract: Conventional threshold decomposition-based multilevel halftoning algorithms decompose an input image into layers, halftone each one of them with a binary halftoning algorithm, and combine their binary halftones to produce the final multilevel halftone. As layers are handled one by one subject to a stacking constraint, darker pixels in the final multilevel output are positioned first, which makes it difficult for the algorithms to preserve bright spatial features. This issue is addressed and a solution to eliminate this bias is proposed. Simulation result shows that the proposed method can provide an output of better quality as compared with conventional threshold decomposition-based algorithms both subjectively and objectively.
URI: http://hdl.handle.net/10397/16702
ISSN: 1017-9909
EISSN: 1560-229X
DOI: 10.1117/1.JEI.21.4.043016
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