cheese_greater@lemmy.world to No Stupid Questions@lemmy.ca · 2 months agoIs there a way to digitally markup a pdf so its not OCR-readable?message-squaremessage-square13fedilinkarrow-up128arrow-down13file-text
arrow-up125arrow-down1message-squareIs there a way to digitally markup a pdf so its not OCR-readable?cheese_greater@lemmy.world to No Stupid Questions@lemmy.ca · 2 months agomessage-square13fedilinkfile-text
minus-squareOsrsNeedsF2P@lemmy.mllinkfedilinkarrow-up28·2 months agoPDF scanning is done by both OCR and PDF analysis so no. If you, a human can read it, a bot can read it too. Your best bet is the classic inserting BS in a 1-hex-off-white font
minus-squareumt@lemmynsfw.comlinkfedilinkarrow-up16·2 months agoThis is correct. There are also typefaces that are designed to be difficult for OCR eg https://www.librarystack.org/zxx/ These are, however, difficult for humans to read as well.
PDF scanning is done by both OCR and PDF analysis so no. If you, a human can read it, a bot can read it too.
Your best bet is the classic inserting BS in a 1-hex-off-white font
This is correct. There are also typefaces that are designed to be difficult for OCR eg https://www.librarystack.org/zxx/
These are, however, difficult for humans to read as well.