Page 76 Manual
B.2.3.1 Threshold Dynamic / Threshold Fixed
Picture 77: Threshold method selector
In the color mode Binary an additional button allows to select between Dynamic and
Fixed threshold.
Dynamic The contrast level in the image varies depending on the content of the
document. This can help to improve fine details in the image.
Note: In this mode set the setting of the contrast slider carefully because
unexpected image artifacts can occur if set to the extremes.
Fixed The contrast level is fixed to a specific value.
B.2.3.2 Despeckle
Picture 78: Despeckle function
The Despeckle function is only available in color mode Binary.
This function removes isolated speckles in the image. Its use is recommended if old
documents on crumpled paper or vellum should be scanned.
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