I.R.I.S. Readiris Pro 12 Guide de l'utilisateur télécharger pdf (Page 31)

Readiris

Pro 12 – User Guide

Calibrate

Click the Calibrate button should it be necessary to calibrate your

scanner.

Format

You can either choose an automatic scanning format or a custom

format for which you can indicate the page height and width.

Depth

Readiris supports black-and-white, grayscale and color images.

Resolution

Select a scanning resolution of 300 dpi.

Invert image

Sometimes Twain scanners display white text on a black

background when scanning in black-and-white. To invert those

images select the Invert image option.

Note: this option is only available for Twain scanners.

 Several preprocessing options are available in the Preferences

window as well:

o You can choose to smoothen color and grayscale images.

During scanning this option renders grayscale and color images more

homogeneous by smoothening out differences in intensity. As a

result, a stronger contrast is created between the foreground (text)

and background (artwork). Sometimes smoothening is the only way

to separate text from a colored background.

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I.R.I.S. Readiris Pro 12 Guide de l'utilisateur Page 31