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Title: A low-complexity multiscale error diffusion algorithm for digital halftoning
Authors: Chung, KH
Fung, YH
Lui, KC
Chan, YH 
Keywords: Computation theory
Computational complexity
Error analysis
Image processing
Parallel processing systems
Issue Date: 2005
Publisher: IEEE
Source: ISPACS 2005 : 2005 International Symposium on Intelligent Signal Processing and Communication Systems : December 13-16, 2005 : Chung Chi College, the Chinese University of Hong Kong, Hong Kong, p. 673-676 How to cite?
Abstract: Multiscale error diffusion (MED) digital halftoning technique outperforms classical conventional error diffusion techniques as it can produce a directional- hysteresis-free bi-level image. However, extremely large computation effort is required for its implementation. In this paper, a fast MED-based digital halftoning technique is proposed to produce a halftone image without directional hysteresis at a significantly reduced computational cost. The amount of reduction is monotonic increasing with the image size. For an image of size 512×512, the proposed algorithm can save 40% of arithmetic operations as compared with MED. Moreover, since it supports parallel processing, processing time can further be squeezed.
ISBN: 0-7803-9266-3
Rights: © 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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