Replace Image in PDF without changing text

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mattewan
Posts: 32
Joined: Fri Apr 03, 2009 5:58 pm

Replace Image in PDF without changing text

Post by mattewan » Tue Jun 05, 2018 10:12 am

Hey,

I have millions of images which have been OCR'd to searchable PDF using Abbyy Recognition Server. I now want to replace the black&white image in the PDF with a colour copy without affecting the text of the page. Re-OCR is not an option because Abbyy Recognition Server has also output various other files formats for each document, like ALTO-XML, Accuracy statistics, etc.

Is this possible with gdpicture. Is there either a way to replace the black&white image in a PDF with a colour version without destroying the searchable text, or is there a way I can extract the text and positions and put that into a colour version PDF?

Cheers,

Matthew Jones

delbeke
Posts: 90
Joined: Wed Oct 31, 2012 5:07 pm

Re: Replace Image in PDF without changing text

Post by delbeke » Mon Jun 11, 2018 8:45 am

Hi Matthew

There is a function to do that : ReplaceImage,

see : http://guides.gdpicture.com/content/web ... Image.html

Hope this help.
Best regards.

Jean-Luc

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