Descreen - Microtek ScanMaker IIG User Manual

Descreen

Descreen allows you to remove moiré patterns in images.
A moiré is an undesirable pattern in printing that results from
incorrect screen angles of overprinting halftones. Moirés
usually result when you scan images taken directly from a
magazine (instead of scanning a continuous glossy photo-
graphic original or a transparency).
Before Descreen
To use Descreen:
Click on the More Options tool in the Settings window.
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When the More Option screen comes up, click on the
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Descreen box and select your descreen option. The
option you select will depend on the dot quality of the
original.
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A check appears next to the descreen option that is
enabled.
Note
5-78 Microtek User's Guide for Windows
For color samples, see color pages
Choose Newspaper if the original image has a coarse
dot pattern (like images in a newspaper).
Choose Magazine for images with a finer dot pattern.
Choose Art Magazine for images with near-photo-
graphic quality with a very tight dot pattern.
Choose Custom to set your own descreen options.
Because of the nature of this filter, scans may take longer
if you use the Descreen feature.
After Descreen