HALFTONING.
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| Title: | HALFTONING. |
|---|---|
| Authors: | Ulichney, Robert1 |
| Source: | Encyclopedia of Electrical & Electronics Engineering. 1999 1st Edition, Vol. 8, p588-600. 13p. |
| Subjects: | Halftone process, Engraving, Photomechanical processes, Optical resolution, Offset printing, Stochastic processes, Printing industry |
| Abstract: | This article presents information on halftoning, a process of transforming an image with greater amplitude resolution to one with lesser amplitude resolution. This has been practiced for over a hundred years in the printing industry: the solution for displaying continuous tone images with only black or white dots. Clustered-dot halftones are those that are commonly seen in mass hard copy publications produced by offset printing, such as in newspapers, magazines, and books. Blue-noise dithering can also be achieved with the point process of ordered dither. The trick of course is using an appropriate dither array. |
| Database: | Engineering Source |
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