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AR overlays real-time 3D computer graphics onto the real world via devices like phones or head-mounted displays.
Augmented reality (AR), also closely associated with the term mixed reality (MR), is a form of 3D human–computer interaction that overlays real-time, computer-rendered graphics onto the user’s view of the real world through a display such as a handheld device or a head-mounted display. The result is an experience that is seamlessly interwoven with the physical environment, changing how the user perceives what is around them. Unlike virtual reality, which replaces the real environment with a fully simulated one, AR adds virtual information on top of what the user already sees. AR is typically visual, but it can involve multiple senses, including audio and haptic (touch-related) feedback. A core definition of AR emphasizes three features: (1) combining real and virtual worlds, (2) enabling real-time interaction, and (3) accurately registering (aligning) virtual objects with real-world space. The added information can be constructive (enhancing or adding to the natural scene) or destructive (masking parts of the natural environment).
AR overlays real-time 3D computer graphics onto the real world via devices like phones or head-mounted displays.
Core AR features include combining real and virtual worlds, real-time interaction, and accurate 3D registration of virtual objects to the physical environment.
AR differs from VR because the real environment remains present, with virtual elements added rather than fully replacing reality.
A technology that overlays real-time computer-generated content onto the user’s view of the real world so the experience remains grounded in the physical environment.
The process of accurately aligning virtual objects with real-world positions and geometry so overlays appear correctly placed.
User and system responsiveness that updates the AR content immediately as the user moves or interacts.
A broader term often used alongside AR to describe systems that blend real and virtual elements, with emphasis that terminology distinctions have evolved in recent years.
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