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Journal Articles ISPRS Journal of Photogrammetry and Remote Sensing Year : 2017

Lightweight UAV with on-board photogrammetry and single-frequency GPS positioning for metrology applications

Abstract

This article presents a coupled system consisting of a single-frequency GPS receiver and a light photogrammetric quality camera embedded in an Unmanned Aerial Vehicle (UAV). The aim is to produce high quality data that can be used in metrology applications. The issue of Integrated Sensor Orientation (ISO) of camera poses using only GPS measurements is presented and discussed. The accuracy reached by our system based on sensors developed at the French Mapping Agency (IGN) Opto-Electronics, Instrumentation and Metrology Laboratory (LOEMI) is qualified. These sensors are specially designed for close-range aerial image acquisition with a UAV. Lever-arm calibration and time synchronization are explained and performed to reach maximum accuracy. All processing steps are detailed from data acquisition to quality control of final products. We show that an accuracy of a few centimeters can be reached with this system which uses low-cost UAV and GPS module coupled with the IGN-LOEMI home-made camera.
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Dates and versions

hal-01470959 , version 1 (18-02-2017)

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M. Daakir, Marc Pierrot-Deseilligny, Pierre Bosser, Francis Pichard, Christian Thom, et al.. Lightweight UAV with on-board photogrammetry and single-frequency GPS positioning for metrology applications. ISPRS Journal of Photogrammetry and Remote Sensing, 2017, 127, pp.115-126. ⟨10.1016/j.isprsjprs.2016.12.007⟩. ⟨hal-01470959⟩
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