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Ascension Technology will exhibit Hy-BIRD, a hybrid tracker that fuses optical and inertial data streams together for all-attitude tracking, 100% of the time. Angular tracking continues uninterrupted even if primary light emitters are blocked or its field of view exceeded. Hy-BIRD 's optical technology provides six degrees-of-freedom tracking of its detector's location 240 times per second with accuracy better than a degree and minimal lag. This enables undistorted helmet tracking in fixed, motion-based and mobile environments. A MicroStrain inertial sensor is fully integrated into Hy-BIRD to continue tracking in those instances in which the optical tracker is not operational. Previously, optical trackers skip measurements when their detector loses line-of-sight contact with their light source. Hy-BIRD cures this problem. A robust inertial sensor with embedded microprocessor and on-board digital filtering seamlessly continues tracking of Yaw, Pitch and Roll angles until the optical sensor is again working.

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