Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Obstacle Detection(also: Obstacle Avoidance)
- Technology or techniques that identify physical barriers in a person's path and alert them in time to take corrective action. For people who are blind or visually impaired, obstacle detection systems use sensors (ultrasonic, infrared, LiDAR, or camera-based) embedded in devices…
- Olfactory Display(also: Olfactory Interface, Olfactory Feedback, Smell Display)
- An olfactory display is a hardware system that delivers controlled scent stimuli to a user, typically as part of a virtual reality, augmented reality, or multisensory interaction system. Designs range from desk-mounted vapour generators to head-mounted, hand-held, and neck-worn…
- On-body Input(also: Skin-based Input, Body-based Interaction)
- An interaction technique that uses the surface of the user's own body — typically the hand, arm, or other skin areas — as an input surface for controlling digital devices. On-body input is sensed through wearable cameras, depth sensors, capacitive touch sensors, or acoustic…
- OrCam(also: OrCam MyEye, OrCam Read)
- A family of wearable assistive devices made by OrCam Technologies that use a camera and on-device AI to read printed text aloud, identify faces and products, and recognize colors and banknotes for blind and low vision users. The flagship OrCam MyEye clips magnetically to the arm…
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