Immersive Index

Reference collection

Technology concepts

Explain the optical, sensing, tracking, and rendering systems behind immersive experiences.

Verified 2026-08-05

Foveated rendering

Foveated rendering is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Inside-out tracking

Inside-out tracking is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Six degrees of freedom

Six degrees of freedom is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Three degrees of freedom

Three degrees of freedom is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Pancake lenses

Pancake lenses is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Fresnel lenses

Fresnel lenses is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Video passthrough

Video passthrough is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Motion-to-photon latency

Motion-to-photon latency is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Simultaneous localization and mapping

Simultaneous localization and mapping is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Eye tracking

Eye tracking is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Hand tracking

Hand tracking is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Varifocal display

Varifocal display is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Light-field display

Light-field display is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Spatial audio

Spatial audio is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Reprojection

Reprojection is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Screen-door effect

Screen-door effect is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Vergence-accommodation conflict

Vergence-accommodation conflict is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Asynchronous timewarp

Asynchronous timewarp is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Spacewarp

Spacewarp is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Positional tracking

Positional tracking is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Room-scale tracking

Room-scale tracking is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Guardian boundary

Guardian boundary is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

World anchoring

World anchoring is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Occlusion

Occlusion is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Plane detection

Plane detection is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Depth sensing

Depth sensing is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Pose estimation

Pose estimation is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Haptic feedback

Haptic feedback is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Force feedback

Force feedback is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Refresh rate

Refresh rate is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Field of view

Field of view is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Pixels per degree

Pixels per degree is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Interpupillary distance

Interpupillary distance is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Eye relief

Eye relief is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Chromatic aberration

Chromatic aberration is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Persistence

Persistence is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Stereoscopic rendering

Stereoscopic rendering is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Binocular overlap

Binocular overlap is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Optical distortion correction

Optical distortion correction is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Foveal rendering

Foveal rendering is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Six-axis IMU

Six-axis IMU is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Computer vision tracking

Computer vision tracking is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Marker-based tracking

Marker-based tracking is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Markerless tracking

Markerless tracking is a technical concept used to describe how immersive systems sense, render, or present spatial information.

Verified 2026-08-05

Spatial mapping

Spatial mapping is a technical concept used to describe how immersive systems sense, render, or present spatial information.