cheese_greater@lemmy.world to No Stupid Questions · 9 hours agoIs there a way to digitally markup a pdf so its not OCR-readable?message-squaremessage-square4fedilinkarrow-up120arrow-down10file-text
arrow-up120arrow-down1message-squareIs there a way to digitally markup a pdf so its not OCR-readable?cheese_greater@lemmy.world to No Stupid Questions · 9 hours agomessage-square4fedilinkfile-text
minus-squareOsrsNeedsF2P@lemmy.mllinkfedilinkarrow-up23·9 hours 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-up14·9 hours 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.