Can you share original pdf to investigate if the problem could not be
solved on pdf level (e.g. extract image from pdf without watermark) ?

Your problem is not related to tesseract (or other way - tesseract is not
tool that helps you remove watermark), so better option would be to post in
on stackoverflow.
I found several examples how remove watermark, but unfortunately non of
them works with your image.

Just for inspiration what is possible:
https://stackoverflow.com/questions/50792812/how-to-remove-watermark-background-in-image-python
http://davidsteccieblog.blogspot.com/2017/10/removing-watermarks.html
https://stackoverflow.com/questions/32125281/removing-watermark-out-of-an-image-using-opencv?noredirect=1&lq=1

https://magda.space/removing-circles-lines-patterns-part-1/
https://magda.space/removing-circles-lines-patterns-part-1-5/
https://magda.space/removing-circles-lines-patterns-part-2/


Zdenko


pi 7. 2. 2020 o 17:11 Mark Heere <[email protected]> napĂ­sal(a):

> Is there a way to remove the diagonal letters from this page? I'm trying
> to send it through tesseract but I'm getting a  bunch of garbage where the
> watermark is meeting the letters in the image. I used GhostScript to
> convert the original PDF image into the PNG file.
>
> Thanks in advance for your help!
>
>
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