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Defining the source of page images 31
(not much difference between light and dark) and with text on
colored or shaded backgrounds.
Scan color
Select this to scan in color. This will function only with
color scanners. Choose this if you want colored graphics,
texts or backgrounds in the output document. For OCR
accuracy, it offers no more benefit than grayscale
scanning, but will require much more time, memory
resources and disk space.
Brightness and contrast
Good brightness and contrast settings play an important role in
OCR accuracy. Set these in the Scanner panel of the Options dialog
box or in your scanner’s interface. After loading an image, check its
appearance. If characters are thick and touching, lighten the
brightness. If characters are thin and broken, darken it. Then rescan
the page.
If your scanning results are still not satisfactory, open the scanned
image in the Image Enhancement window to edit it using a range of
different tools.
Scanning with an ADF
The best way to scan multi-page documents is with an Automatic
Document Feeder (ADF). Simply load pages in the correct order
into the ADF. You can scan double-sided documents with an ADF.
A duplex scanner will manage this automatically.
Scanning without an ADF
Using OmniPage’s scanner interface, you can scan multi-page
documents efficiently from a flatbed scanner, even without an ADF.
Select Automatically scan pages in the Scanner panel of the Options