Light grey areas wrongly defined as Picture Zones

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Alexander
Posts: 4
Joined: 04 Jan 2020, 05:38
Number of books owned: 0
Country: Germany

Light grey areas wrongly defined as Picture Zones

Post by Alexander »

Hi,

I am quite new to ScanTailor, but I already love it :-).

In the attached screenshot the purple color shows what ScanTailor identified as a Picture Zone. But indeed, those areas are just light-grey discolorations coming from the scan.

I assume this can result in some issues, when I later chose "Split output" (in order to distinguish between text and image areas, which should be separated to create djvu-files.

Any idea, how I can avoid that such discolorations will be regarded as picture-zone?

Thanks in advance for any hints!
picture-zone.png
Alexander
Posts: 4
Joined: 04 Jan 2020, 05:38
Number of books owned: 0
Country: Germany

Re: Light grey areas wrongly defined as Picture Zones

Post by Alexander »

After playing around, I found at least one factor, which influences this behavior:
In the output menu, section "Picture shape" there is the option "Higher search sensitivity" --> if that is activated, I see the problem as described above.
Robert V
Posts: 2
Joined: 20 Feb 2020, 09:48
Number of books owned: 0
Country: Germany

Re: Light grey areas wrongly defined as Picture Zones

Post by Robert V »

Hallo Alexander

Wenn du den Modus von Mixed auf Schwarz/Weiss änderst sollte das Problem behoben sein.

Change the Mode to B&W will solve your Problem.
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