The process of aligning and synchronizing virtual content with physical world coordinates using spatial tracking, computer vision, and sensor fusion to ensure accurate overlay of digital objects in augmented reality environments.
Semantic Classification
Content
Technologies
- Visual-inertial odometry for pose estimation
- Simultaneous Localization and Mapping (SLAM)
- Marker-based registration using fiducials
- Markerless registration using feature detection
- Depth sensors for environment understanding
Challenges
- Drift correction over extended sessions
- Dynamic environment handling
- Low-light and featureless surface tracking
- Multi-user coordinate system alignment