# ocr
4 articlestagged with “ocr”
Attacks on Document Processing AI
Techniques for attacking document understanding systems including OCR pipelines, PDF processors, and document-language models through layout manipulation, hidden text, and metadata injection.
multimodaldocumentocrpdflayout
OCR Adversarial Attacks
Crafting images that cause OCR systems to extract adversarial text for downstream injection.
multimodalocradversarialtext-recognition
OCR & Typographic Attacks
Exploiting OCR capabilities in VLMs through typographic attacks, font manipulation, adversarial text overlays, and text rendering exploits.
ocrtypographyvisual-attacksvlm
OCR-Based Attacks
Exploiting Optical Character Recognition processing pipelines to inject adversarial text into AI systems, targeting the gap between what OCR extracts and what humans see.
multimodalocrprompt-injectiontext-extractionred-teaming