“White reference correction” and “Black reference correction” tools


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If the scanned image has a gray background and/or the text is not clear (not black enough), you can fix the problem using the White reference correction and Black reference correction tools.

For example, your scanned form looks like it is shown on the following picture:

Scanned form has a gray background

To remove the gray background, choose the White reference correction tool from the Image Tools panel and select the area of the image that is supposed to be white.

How to correct gray background in the scanned document

Press the Do Transformation button from the Image Tools panel. You will get the following result:

Remove gray background when scanning

The text is still not black enough. We will fix it.

Increase the document scale (change the value in the Scale window).

Scanned text is not black enough

Now it is easy to select the area of the text to make it completely black. First, choose the Black reference correction tool from the Image Tools panel and select a text area.

Tool for making scanned text black

Press the Do Transformation button from the Image Tools panel. You will get the following result:

How to improve the text quality when scanning

Decrease the scale of your document.

How to improve the quality of a scanned form in Form Pilot

 


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