The Dynamic Ordered Dither Algorithm

R. J. Crinon; Y. C. Jenq

doi:10.1117/12.976221

10 December 1986 The Dynamic Ordered Dither Algorithm

R. J. Crinon, Y. C. Jenq

Proceedings Volume 0697, Applications of Digital Image Processing IX; (1986) https://doi.org/10.1117/12.976221
Event: 30th Annual Technical Symposium, 1986, San Diego, United States

Abstract

Ordered dither is a popular method for printing/displaying continuous tone images on bi-level devices such as laser printers, ink-jet printers and liquid crystal flat panels; the success of this algorithm comes from its simplicity and its non recursive nature. A major contention about this technique is its poor performance for rendering sharp edges. To alleviate this problem, we propose a new half-toning method called the dynamic ordered dither algorithm; it is an adaptive scheme based on the standard ordered dither operation preceded by an adaptive high pass filter. The dynamic ordered dither algorithm yields a far better edge rendition while keeping the good properties of the standard dithering process, namely the preservation of the object location, the good color reproduction and the possibility to use parallel archi-tectures for processing pictures in real time.

Citation Download Citation

R. J. Crinon and Y. C. Jenq "The Dynamic Ordered Dither Algorithm", Proc. SPIE 0697, Applications of Digital Image Processing IX, (10 December 1986); https://doi.org/10.1117/12.976221

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KEYWORDS

Image processing

Linear filtering

Printing

Digital image processing

RGB color model

Color image processing

Nonimpact printing

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