Abstract
A continuous tone (CT) original picture such as a photograph, watercolor, or oil painting is used in the production process by dividing into discrete spatial portions to produce a copy on a print or monitor. The tone value stays constant over these spatial image areas and if it somehow changes, there is no relation to tone variation within the corresponding sample of original.
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Notes
- 1.
Due to this reason the term “photographic” quality is sometimes used to accentuate the diluted dot structure of, for example, some ink jet prints.
- 2.
Ink transfer dependence of substrate surface properties is mostly concerned in research and handbooks in relation to the solid ink layer as if to “painting” the paper by some rubber roll without, to the pity, taking into account the specific of halftoning and its effective density range.
- 3.
ISO Technical Committee 130 “Graphic Technology” doesn’t formulate the criteria or methods for halftone printing optimization. Values recommended by ISO 12,647 are empirical, taken from the industry practice for some reference substrates and processes.
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Kuznetsov, Y.V. (2021). Halftones. In: Principles of Image Printing Technology. Springer, Cham. https://doi.org/10.1007/978-3-030-60955-9_3
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DOI: https://doi.org/10.1007/978-3-030-60955-9_3
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