Model-based object pose in 25 lines of code
International Journal of Computer Vision - Special issue: image understanding research at the University of Maryland
TRIP: A Low-Cost Vision-Based Location System for Ubiquitous Computing
Personal and Ubiquitous Computing
VIS-Tracker: A Wearable Vision-Inertial Self-Tracker
VR '03 Proceedings of the IEEE Virtual Reality 2003
SoftPOSIT: Simultaneous Pose and Correspondence Determination
International Journal of Computer Vision
Invisible Marker Tracking for AR
ISMAR '04 Proceedings of the 3rd IEEE/ACM International Symposium on Mixed and Augmented Reality
Encoded LED System for Optical Trackers
ISMAR '05 Proceedings of the 4th IEEE/ACM International Symposium on Mixed and Augmented Reality
High-Performance Wide-Area Optical Tracking: The HiBall Tracking System
Presence: Teleoperators and Virtual Environments
Infrared Marker Based Augmented Reality System for Equipment Maintenance
CSSE '08 Proceedings of the 2008 International Conference on Computer Science and Software Engineering - Volume 05
SideBySide: ad-hoc multi-user interaction with handheld projectors
Proceedings of the 24th annual ACM symposium on User interface software and technology
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Augmented Reality systems often require the tracking of a user's pose in a large area to implement the registration between virtual object and the real world. To solve such a problem, this paper proposes a novel tracking system based on invisible projected markers which are created with an infrared projector. To enlarge the tracking area using only a limited number of markers, the system adopts a primary-secondary marker deployment solution, in which the primary marker uses an improved two-dimensional barcode and can be identified uniquely. The secondary marker is a simple light-spot, whose code is identified through the location relationship with the nearby primary markers and is used for the pose calculation. The system tracks the invisible markers using an IR (Infrared) camera, which means that it works in a way similar to a robust marker-less tracking system. A prototype is built to demonstrate the feasibility of the proposed tracking system, experimental result shows that the proposed system meets the requirements of accuracy for large-area tracking