Hi, Can I just ask, we have to verify a scanned document which was saved to pdf format. When I open it up in Acrobat 8 professional, I can select some of the text areas and other areas I can't., e.g., a passport was scanned in and on her passport you can't select anything, highlight text, it is just a solid image, nothing can be selected on the page, whereas on his passport you can select the text and delete it, select his photo, delete it etc, Can anyone explain to me why this happens, should this happen??
Can you edit a scanned pdf document
2009-06-15 08:51:50
2009-06-16 01:00:16
#2
Hi, but these two passports were scanned in on the same scanner and forwarded onto us via pdf format, why would one be editable and the other not? What I think is, that basically they imported the background of the passport into indesign and edited over it in there, then pdf’d the document, hence me been able to select the text as it was created as live type. I thought if a documents text areas were not created in a live type program you could not select and edit the region.
2009-06-16 03:12:35
#3
You can if they were OCR'd.
2009-06-16 13:55:48
#4
You can if they were OCR'd.
That is what I have been trying to figure out. I saw the selection on my scanner, but was not sure what it was. I'm such a n00b. Thanks.
To make text extractable you can use the OCR-function (if available), that scans the bitmap for know pattern and reconstructs text.
Depending on the scan quality, resolution, kind of text (font or handwritten), color, orientation of the text and so on the OCR-results can vary alot.
So, there always can be parts in the document, where the software wasn't able to reproduce the text information.
Then there is still the unselectable bitmap.
radzmar
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