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Assessment of the Accuracy of Determining the Angular Position of the Unmanned Bathymetric Surveying Vehicle Based on the Sea Horizon Image
Abstract
The paper presents the results of research on assessing the accuracy of angular position measurement relative to the sea horizon using a camera mounted on an unmanned bathymetric surveying vehicle of the Unmanned Surface Vehicle (USV) or Unmanned Aerial Vehicle (UAV) type. The first part of the article presents the essence of the problem. The rules of taking the angular position of the vehicle into account in bathymetric surveys and the general concept of the two-camera tilt compensator were described. The second part presents a mathematical description of the meters characterizing a resolution and a mean error of measurements, made on the base of the horizon line image, recorded with an optical system with a Complementary Metal-Oxide Semiconductor (CMOS) matrix. The phenomenon of the horizon line curvature in the image projected onto the matrix that appears with the increase of the camera height has been characterized. The third part contains an example of a detailed analysis of selected cameras mounted on UAVs manufactured by DJI, carried out using the proposed meters. The obtained results including measurement resolutions of a single-pixel and mean errors of the horizon line slope measurement were presented in the form of many tables and charts with extensive comments. The final part presents the general conclusions from the performed research and a proposal of directions for their further development.
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Authors (4)
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Krzysztof Naus
- Akademia Marynarki Wojennej / Wydział Nawigacji i Uzbrojenia Okrętowego
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Łukasz Marchel mgr inż.
- Akademia Marynarki Wojennej / Wydział Nawigacji i Uzbrojenia Okrętowego Instytut Nawigacji
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Piotr Szymak dr hab. inż
- Akademia Marynarki Wojennej / Wydział Mechaniczno-Elektryczny Instytut Elektrotechniki i Automatyki Okrętowej
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
SENSORS
no. 19,
pages 1 - 22,
ISSN: 1424-8220 - Language:
- English
- Publication year:
- 2019
- Bibliographic description:
- Naus K., Marchel Ł., Szymak P., Nowak A.: Assessment of the Accuracy of Determining the Angular Position of the Unmanned Bathymetric Surveying Vehicle Based on the Sea Horizon Image// SENSORS -Vol. 19,iss. 21 (2019), s.1-22
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/s19214644
- Verified by:
- Gdańsk University of Technology
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