Microtek ScanMaker 5 Guida Utente Pagina 135

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Reference: The Settings Window 6-57
The Threshold dialog box (Line-art image)
For line-art image, the White/Black point setting becomes as threshold setting.
The threshold values are in the range of 0 through 255.
Sharpen
This option lets you further enhance line-art image quality, if your original line-
art material appears blur, for example, the text printed by inkjet, dot matrix
printer, or contains text with small point sizes.
Histogram
Sharpen
Threshold
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