Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Hand Tracking(also: Gesture Tracking, Hand Gesture Recognition)
- A technology that detects and tracks the position, orientation, and movements of a user's hands and fingers without requiring physical controllers, typically using cameras and computer vision algorithms. In extended reality, hand tracking enables hands-free interaction through…
- Head-Mounted Display(also: HMD, VR Headset, AR Headset)
- A wearable device worn on the head that places a display in front of the user's eyes to present virtual or augmented content. HMDs range from fully immersive VR headsets (like Meta Quest) that replace the visual environment to AR glasses that overlay digital information on the…
- HoloLens(also: Microsoft HoloLens)
- A self-contained, wearable mixed reality headset developed by Microsoft that overlays interactive holograms onto the user's real-world environment. HoloLens uses spatial mapping, gaze tracking, gesture recognition (air-tap), voice commands, and a physical clicker for…
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