
FOLLOWUS
1.State Key Lab of CAD & CG, Zhejiang University, Hangzhou 310027, China
2.Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong, China
[ "Ling-yue LIU, E-mail: liulingyue@zju.edu.cn" ]
Wen-ting ZHENG, E-mail: wtzheng@cad.zju.edu.cn
收稿:2013-05-22,
修回:2013-11-18,
纸质出版:2013-12
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An improved parallel contrast-aware halftoning[J]. 信息与电子工程前沿(英文), 2013,14(12):918-932.
Ling-yue LIU, Wei CHEN, Tien-tsin WONG, et al. An improved parallel contrast-aware halftoning[J]. Frontiers of Information Technology & Electronic Engineering, 2013, 14(12): 918-932.
An improved parallel contrast-aware halftoning[J]. 信息与电子工程前沿(英文), 2013,14(12):918-932. DOI: 10.1631/jzus.C1300142.
Ling-yue LIU, Wei CHEN, Tien-tsin WONG, et al. An improved parallel contrast-aware halftoning[J]. Frontiers of Information Technology & Electronic Engineering, 2013, 14(12): 918-932. DOI: 10.1631/jzus.C1300142.
Digital image halftoning is a widely used technique. However
achieving high fidelity tone reproduction and structural preservation with low computational time cost remains a challenging problem. This paper presents a highly parallel algorithm to boost real-time application of serial structure-preserving error diffusion. The contrast-aware halftoning approach is one such technique with superior structure preservation
but it offers only a limited opportunity for graphics processing unit (GPU) acceleration. Our method integrates contrast-aware halftoning into a new parallelizable error-diffusion halftoning framework. To eliminate visually disturbing artifacts resulting from parallelization
we propose a novel multiple quantization model and space-filling curve to maintain tone consistency
blue-noise property
and structure consistency. Our GPU implementation on a commodity personal computer achieves a real-time performance for a moderately sized image. We demonstrate the high quality and performance of the proposed approach with a variety of examples
and provide comparisons with state-of-the-art methods.
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