Abstract
In this paper, we report on the experimental evaluation of the embedded visual localization system, the Intel RealSense T265, deployed on a multi-rotor unmanned aerial vehicle. The performed evaluation is targeted to examine the limits of the localization system and discover its weak points. The system has been deployed in outdoor rural scenarios at altitudes up to 20 m. The Absolute trajectory error measures the accuracy of the localization with the reference provided by the differential GPS with centimeter precision. Besides, the localization performance is compared to the state-of-the-art feature-based visual localization ORB-SLAM2 utilizing the Intel RealSense D435 depth camera. In both types of experimental scenarios, with the teleoperated and autonomous vehicle, the identified weak point of the system is a translation drift. However, taking into account all experimental trials, both examined localization systems provide competitive results.
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Notes
- 1.
Available at https://github.com/IntelRealSense/realsense-ros.
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Acknowledgement
The presented work has been supported by the Technology Agency of the Czech Republic (TAČR) under research Project No. TH03010362 and under the OP VVV funded project CZ.02.1.01/0.0/0.0/16_019/0000765 “Research Center for Informatics”. The support under grant No. SGS19/176/OHK3/3T/13 to Jan Bayer is also gratefully acknowledged.
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Bayer, J., Faigl, J. (2021). Vision-Based Localization for Multi-rotor Aerial Vehicle in Outdoor Scenarios. In: Mazal, J., Fagiolini, A., Vasik, P., Turi, M. (eds) Modelling and Simulation for Autonomous Systems. MESAS 2020. Lecture Notes in Computer Science(), vol 12619. Springer, Cham. https://doi.org/10.1007/978-3-030-70740-8_14
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