Iris Readiris Corporate 12 for Windows User Guide Instrukcja Użytkownika Pobierz pdf (Strona 44)

Chapter 6 – Adjusting scanned documents

o Select Smoothen color image to even out the image.

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).

Note: sometimes smoothening is the only way to separate text from a

colored background.

(Original image)

(Binarized black-and-white image)

(Smoothened image)

o Select Fast Binarization to speed up the process.

When you do, the Brightness and Contrast settings will become

unavailable.

Note that selecting this option might reduce the OCR accuracy

when scanning very low-quality documents.

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Iris Readiris Corporate 12 for Windows User Guide Instrukcja Użytkownika Strona 44