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Participant
September 11, 2023
Question

OCR with 'editable text and images' degrades the image quality of text-covered images.

  • September 11, 2023
  • 1 reply
  • 4837 views

Hi Dov and others,

 

I think what is happening is folks are modifying some portion of the PDF then saving it.  

 

When I edit the text of my high res PDF, then save or save as, it does reduce my file size from 28MB to 1.8MB.  I cannot find a way to prevent this.  Most of the PDF does not seem to have any change in resolution problems, but some areas do become pixelated. 

 

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1 reply

Participant
September 11, 2023

Okay, what's happening in my case I believe is when I edit the PDF, it converts it to a file with editible text etc.  The text is embedded in the image.  I thought it was layered and seperate from the background.  The conversion process does a sort of content aware fill behind and around the text at a lower resolution than the rest of the background. 

Abambo
Community Expert
Community Expert
September 11, 2023

Acrobat PDF does not have a kind of Content Aware Fill.

 

As a side note: Dov, unfortunately, retired from Adobe a few years ago, and his expertise is not more available.

ABAMBO | Hard- and Software Engineer | Photographer
jacobb97941567
Participant
September 11, 2023

Interesting, do you know what is happening here.  When I edit the PDF, it converts scanned page to editbable text and image.  I can edit the text over the image after it converts and pulls it out.  But it makes the area behind and around the text lower resolution, and appears to fill in what should be behind the text.  

 

Because it's a scanned flat image, how does it fill in behind the text? 

 

After I save the file after editing the text the file size drops by 90% and the areas around and behind the text are blurry/low resolution, is there any way to avoid this?