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A system for monitoring of UAV camera orientation : design and initial analysis : ISPRS geospatial week 2019, 10-14 June 2019, Enschede, Netherlands [Elektronski vir]Tekavec, Jernej, geodet, 1989- ...Many unmanned aerial vehicles (UAV) that are used for aerial mapping are equipped with consumer-grade digital cameras, which use CMOS (Complementary metal oxide semiconductor) image sensors. Majority ... of these sensors capture images using an electronic rolling shutter, which can cause distortions on the image if either the camera or the captured objects are moving. This phenomenon is usually ignored in aerial mapping with UAVs in practice. However, there is a lack of published research papers that would prove the effect can be neglected. In this paper, we present the design of the system for monitoring UAV camera orientation. Furthermore, the calibration process to get correct and reliable readings is described. The initial analysis of the data is focused on assessing the accuracy that can be achieved using the proposed system. The main component of our system is a MEMS (Microelectromechanical system) gyroscope. It was selected for its low weight and size, low price and high sampling rates which are all very beneficial characteristics for a system, mounted on a UAV. In a paper, a working prototype is presented that uses the selected MEMS gyroscope connected to a single-board computer. The presented initial analysis of collected data shows, that the system would be capable to indirectly detect the image distortions, caused by camera orientation changes during exposure, in the range of typical ground sample distance (GSD).Source: ISPRS annals of the photogrammetry, remote sensing and spatial information sciences. - ISSN 2194-9050 (Vol. IV-2/W5, jun. 2019, str. 171-177)Type of material - conference contributionPublish date - 2019Language - englishCOBISS.SI-ID - 8827489
Author
Tekavec, Jernej, geodet, 1989- |
Oštir, Krištof |
Lisec, Anka, geodezija, 1978- |
Štebe, Gašper
Topics
geodezija |
UAV |
orientacija kamere |
MEMS |
žiroskop |
geodesy |
UAV |
rolling shutter |
vibration |
camera orientation |
MEMS |
gyroscope
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Tekavec, Jernej, geodet, 1989- | 38467 |
Oštir, Krištof | 15112 |
Lisec, Anka, geodezija, 1978- | 24340 |
Štebe, Gašper | 36874 |
Source: Personal bibliographies
and: SICRIS
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