Abstract
The properties of conventional, ordered dot-pattern generation techniques for bi-level halftone representation are examined and compared with the properties of error-diffusion-based, disordered dot-pattern-generation algorithms. The various processing steps necessary for adaptation of the disordered halftone pattern-generation technique to digital image hardcopy reproduction with non-ideal computer-output printing devices are described. It includes procedures for spatial distribution of thresholding errors, suppression of dot-density artifacts and compensation for dot overlap. These procedures represent the core of a Multiple-Error Correction Computation Algorithm called MECCA, the objective of which is to linearize the non-ideal printing process in order to minimize the loss or shift of tonal gradations. Finally, the performance of MECCA is compared with a conventional digital screening technique, and the various reproduction-quality versus computational-complexity trade-offs are discussed.
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References
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© 1984 Springer-Verlag Berlin Heidelberg
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Stucki, P. (1984). Advances in digital image processing for document reproduction. In: Kunii, T.L. (eds) VLSI Engineering. Lecture Notes in Computer Science, vol 163. Springer, Tokyo. https://doi.org/10.1007/BFb0043458
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DOI: https://doi.org/10.1007/BFb0043458
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