New edge-enhanced error diffusion algorithm based on the error sum     criterion

Jae Ho Kim; Tae Il Chung; Hyung Soon Kim; Kyung Sik Son; Yoon-Soo Kim

doi:10.1117/12.199463

1 April 1995 New edge-enhanced error diffusion algorithm based on the error sum criterion

Jae Ho Kim, Tae Il Chung, Hyung Soon Kim, Kyung Sik Son, Yoon-Soo Kim

Author Affiliations +

Journal of Electronic Imaging, Vol. 4, Issue 2, (April 1995). https://doi.org/10.1117/12.199463

Abstract

A new edge-enhanced error diffusion algorithm, based on Eschbach's algorithm, is proposed. Thick-edged artifacts as well as small edge-enhancement effects for the bright or dark pixel values are observed in the previous algorithm. By analyzing the phenomena, a new improved algorithm is proposed by using the diffused error sum and input pixel value. An input pixel is classified into a normal- or edge-region pixel based on the error sum criterion. A new error calculation is then employed for the edge region pixel, while conventional error calculation is used for the normal-region pixel. The proposed method requires only a few additional calculations and provides edge-enhanced binary output images. The edges are influenced less by the brightness offset, and thick-edged artifacts are reduced.

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Jae Ho Kim, Tae Il Chung, Hyung Soon Kim, Kyung Sik Son, and Yoon-Soo Kim "New edge-enhanced error diffusion algorithm based on the error sum criterion," Journal of Electronic Imaging 4(2), (1 April 1995). https://doi.org/10.1117/12.199463

Published: 1 April 1995

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