Tone-dependent error diffusion

Pingshan Li; Jan P. Allebach

doi:10.1117/12.453001

28 December 2001 Tone-dependent error diffusion

Pingshan Li, Jan P. Allebach

Proceedings Volume 4663, Color Imaging: Device-Independent Color, Color Hardcopy, and Applications VII; (2001) https://doi.org/10.1117/12.453001
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

We present an enhanced error diffusion halftoning algorithm for which the filter weights and the quantizer thresholds vary depending on input pixel value. The weights and thresholds are optimized based on a human visual system model. Based on an analysis of the edge behavior, a tone dependent threshold is designed to reduce edge effects and start-up delay. We also propose an error diffusion system with parallel scan that uses variable weight locations to reduce worms.

Citation Download Citation

Pingshan Li and Jan P. Allebach "Tone-dependent error diffusion", Proc. SPIE 4663, Color Imaging: Device-Independent Color, Color Hardcopy, and Applications VII, (28 December 2001); https://doi.org/10.1117/12.453001

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