Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Middleware
- Software that acts as an intermediary layer between different applications, services, or components, enabling them to communicate and share data despite being built with different technologies, protocols, or programming languages. In the context of accessibility, middleware is…
- Off-Device Processing(also: Cloud Processing, Remote Processing)
- Computing performed on external servers rather than on the user's local device, requiring data to be transmitted over the internet. In the context of visual assistance technologies, off-device processing raises privacy and security concerns because users' images and videos —…
- On-Device Processing(also: Local Processing, Edge Processing)
- Computing performed directly on a user's device (phone, tablet, or wearable) rather than sending data to external servers. On-device processing is particularly valuable for privacy-sensitive accessibility features because it keeps personal visual data under the user's control,…
- Spatial Anchor(also: World Anchor, Azure Spatial Anchor)
- A reference point in physical space used to precisely position and lock virtual content to real-world locations in augmented reality applications. Spatial anchors ensure that virtual objects remain consistently placed relative to the physical environment across devices and…
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