Re:What's so hard about PDF text extraction?
by kbenson on Tuesday March 03, 2020 @05:22PM
(#22479291)
> That’s actually often just a consequence of the subsetting (I think).
I would believe that. It was a pretty poor obfuscation method as they go, if it was intended for that.
> Believe it or not, you can often rebuild the cmaps using information in the pdf to fix the mapping and make the extraction work again.
Oh, I did. That's the flip side of my second paragraph above. When there's a business need to work around complications or obfuscations, that will also happen. :)
I would believe that. It was a pretty poor obfuscation method as they go, if it was intended for that.
> Believe it or not, you can often rebuild the cmaps using information in the pdf to fix the mapping and make the extraction work again.
Oh, I did. That's the flip side of my second paragraph above. When there's a business need to work around complications or obfuscations, that will also happen. :)