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16 May 2013 Scorpion hybrid optical-based inertial tracker (HObIT)
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Thales Visionix has developed a new helmet tracker based on a hybrid inertial optical approach. It uses the inside-out concept of the InterSense VisTracker technology, which has been acquired by Thales Visionix, upgraded with a tiny high-performance NavChip Inertial Measurement Unit (IMU). A unique feature of the tracker is that there is no aircraft mounted equipment. A group of small circular barcode-like fiducial stickers are placed on the interior surface of the cockpit. The tracker allows operation in both hybrid inertial/optical and inertial-only modes, which it seamlessly switches between as the pilot’s helmet goes in and out of the optical tracking zone. This paper describes the tracker, its features and performance.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert Atac and Eric Foxlin "Scorpion hybrid optical-based inertial tracker (HObIT)", Proc. SPIE 8735, Head- and Helmet-Mounted Displays XVIII: Design and Applications, 873502 (16 May 2013);

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