Glossary

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See-Through Display(also: Optical See-Through Display, Transparent Display, OST Display)

A display technology that allows users to view digital content overlaid on the real world by projecting images onto a transparent or semi-transparent surface. Unlike opaque (occlusive) displays that block the user's view of the environment, see-through displays preserve direct…

Shared Augmented Reality(also: S-AR, Co-Located AR, Collaborative AR)

An augmented reality setup in which multiple users share a spatially aligned view of virtual content anchored in the same physical environment. Each user wears a head-mounted display and can see and interact with the same virtual objects in real-time. In low-vision…

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…

Spatial Computing(also: Spatial interaction)

A paradigm of computing in which digital content is rendered and interacted with in three-dimensional physical space, typically via head-worn augmented or mixed reality devices (e.g., HoloLens, Magic Leap, Apple Vision Pro, Snap Spectacles) that track head pose, hands, eyes, and…

Spatialization(also: Spatialisation, Audio Spatialization, 3D Audio Spatialization)

The process of rendering a sound so that it appears to originate from a specific location in three-dimensional space around the listener. Spatialization typically combines head-related transfer functions (HRTFs) to model how ears filter sound by direction, binaural or ambisonic…

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