Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Document Layout Analysis(also: DLA, page layout analysis)
- A computer-vision task that identifies and classifies the visual regions of a document page—headings, paragraphs, tables, figures, captions, lists, headers, and footers—typically using object-detection models trained on datasets such as DocLayNet, PubLayNet, or DocBank. Document…
- Document structure(also: Structural hierarchy, Document hierarchy)
- The logical organization of a document into meaningful components such as headings, sections, paragraphs, lists, and tables. Proper document structure enables assistive technology users to navigate efficiently, understand relationships between content sections, and access…
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