The Direct Georeferencing application and performance analysis of UAV helicopter in GCP-free area

C. F. Lo, M. L. Tsai, Kai-Wei Chiang, C. H. Chu, G. J. Tsai, C. K. Cheng, N. El-Sheimy, H. Ayman

Research output: Contribution to journalConference article

9 Citations (Scopus)

Abstract

There are many disasters happened because the weather changes extremely in these years. To facilitate applications such as environment detection or monitoring becomes very important. Therefore, the development of rapid low cost systems for collecting near real-time spatial information is very critical. Rapid spatial information collection has become an emerging trend for remote sensing and mapping applications. This study develops a Direct Georeferencing (DG) based Unmanned Aerial Vehicle (UAV) helicopter photogrammetric platform where an Inertial Navigation System (INS)/Global Navigation Satellite System (GNSS) integrated Positioning and Orientation System (POS) system is implemented to provide the DG capability of the platform. The performance verification indicates that the proposed platform can capture aerial images successfully. A flight test is performed to verify the positioning accuracy in DG mode without using Ground Control Points (GCP). The preliminary results illustrate that horizontal DG positioning accuracies in the x and y axes are around 5 meter with 100 meter flight height. The positioning accuracy in the z axis is less than 10 meter. Such accuracy is good for near real-time disaster relief. The DG ready function of proposed platform guarantees mapping and positioning capability even in GCP free environments, which is very important for rapid urgent response for disaster relief. Generally speaking, the data processing time for the DG module, including POS solution generalization, interpolation, Exterior Orientation Parameters (EOP) generation, and feature point measurements, is less than 1 hour.

Original languageEnglish
Pages (from-to)151-157
Number of pages7
JournalInternational Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives
Volume40
Issue number1W4
DOIs
Publication statusPublished - 2015 Jan 1
EventISPRS International Conference on Unmanned Aerial Vehicles in Geomatics, UAV-g 2015 - Toronto, Canada
Duration: 2015 Aug 302015 Sep 2

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ground control
Unmanned aerial vehicles (UAV)
Helicopters
Disasters
positioning
disaster
disaster relief
performance
Inertial navigation systems
flight
Remote sensing
Interpolation
Navigation
information collection
Satellites
Antennas
integrated system
GNSS
Monitoring
guarantee

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Geography, Planning and Development

Cite this

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abstract = "There are many disasters happened because the weather changes extremely in these years. To facilitate applications such as environment detection or monitoring becomes very important. Therefore, the development of rapid low cost systems for collecting near real-time spatial information is very critical. Rapid spatial information collection has become an emerging trend for remote sensing and mapping applications. This study develops a Direct Georeferencing (DG) based Unmanned Aerial Vehicle (UAV) helicopter photogrammetric platform where an Inertial Navigation System (INS)/Global Navigation Satellite System (GNSS) integrated Positioning and Orientation System (POS) system is implemented to provide the DG capability of the platform. The performance verification indicates that the proposed platform can capture aerial images successfully. A flight test is performed to verify the positioning accuracy in DG mode without using Ground Control Points (GCP). The preliminary results illustrate that horizontal DG positioning accuracies in the x and y axes are around 5 meter with 100 meter flight height. The positioning accuracy in the z axis is less than 10 meter. Such accuracy is good for near real-time disaster relief. The DG ready function of proposed platform guarantees mapping and positioning capability even in GCP free environments, which is very important for rapid urgent response for disaster relief. Generally speaking, the data processing time for the DG module, including POS solution generalization, interpolation, Exterior Orientation Parameters (EOP) generation, and feature point measurements, is less than 1 hour.",
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The Direct Georeferencing application and performance analysis of UAV helicopter in GCP-free area. / Lo, C. F.; Tsai, M. L.; Chiang, Kai-Wei; Chu, C. H.; Tsai, G. J.; Cheng, C. K.; El-Sheimy, N.; Ayman, H.

In: International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, Vol. 40, No. 1W4, 01.01.2015, p. 151-157.

Research output: Contribution to journalConference article

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AU - Lo, C. F.

AU - Tsai, M. L.

AU - Chiang, Kai-Wei

AU - Chu, C. H.

AU - Tsai, G. J.

AU - Cheng, C. K.

AU - El-Sheimy, N.

AU - Ayman, H.

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