Color diffusion: error diffusion for color halftones

Doron Shaked; Nur Arad; Andrew E. Fitzhugh; Irwin E. Sobel

doi:10.1117/12.334589

22 December 1998 Color diffusion: error diffusion for color halftones

Doron Shaked, Nur Arad, Andrew E. Fitzhugh, Irwin E. Sobel

Proceedings Volume 3648, Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts IV; (1998) https://doi.org/10.1117/12.334589
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

Error Diffusion is a high-performance halftoning method in which quantization errors are diffused to 'future' pixels. Originally intended for grayscale images, it is traditionally extended to color images by Error-Diffusing each of the three color planes independently. In this paper we show that augmenting the Error Diffusion paradigm with a simple design rule based on certain characteristics of human color perception, results in a novel color halftoning algorithm named color diffusion. The output of color diffusion is of considerable higher quality compared to separable error diffusion. The algorithm presented requires no additional memory and entails a reasonable increase in run-time.

Citation Download Citation

Doron Shaked, Nur Arad, Andrew E. Fitzhugh, and Irwin E. Sobel "Color diffusion: error diffusion for color halftones", Proc. SPIE 3648, Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts IV, (22 December 1998); https://doi.org/10.1117/12.334589

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