Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- OCR (Optical Character Recognition)(also: OCR, Optical Character Recognition, Text Recognition)
- A computer-vision technology that converts images of printed, handwritten, or on-screen text into machine-readable character data. OCR is foundational to a wide range of accessibility tools: extracting alt-text for image-based PDFs, reading labels for screen-reader users (e.g.,…
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