Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Facial Action Unit(also: Action Unit, AU, FACS Action Unit)
- A component of the Facial Action Coding System (FACS) that represents a specific movement or position of facial muscles. Each action unit corresponds to a distinct facial movement, such as raising the inner eyebrow (AU1) or pulling the lip corner (AU12 for smiling). In…
- Gender recognition(also: Automatic gender recognition, AGR, Gender classification)
- AI technology that attempts to infer a person's gender from visual features such as facial characteristics, body shape, or voice. Gender recognition systems are controversial in accessibility contexts because they typically enforce binary gender classifications, frequently…
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