Results 1 to 10 of about 1,798 (146)
Comprehensive Direct Georeferencing of Aerial Images for Unmanned Aerial Systems Applications [PDF]
Sensors, 2022 Optical image sensors are the most common remote sensing data acquisition devices present in Unmanned Aerial Systems (UAS). In this context, assigning a location in a geographic frame of reference to the acquired image is a necessary task in the majority
Carlos A. M. Correia +6 more
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Direct Georeferencing of Stationary LiDAR [PDF]
Remote Sensing, 2009 Unlike mobile survey systems, stationary survey systems are given very little direct georeferencing attention. Direct Georeferencing is currently being used in several mobile applications, especially in terrestrial and airborne LiDAR systems ...
Ahmed Mohamed, Benjamin Wilkinson
doaj +4 more sources
Direct Georeferencing for the Images in an Airborne LiDAR System by Automatic Boresight Misalignments Calibration [PDF]
Sensors, 2020 Airborne Light Detection and Ranging (LiDAR) system and digital camera are usually integrated on a flight platform to obtain multi-source data. However, the photogrammetric system calibration is often independent of the LiDAR system and performed by the ...
Haichi Ma +4 more
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Adequacy of pseudo-direct georeferencing of terrestrial laser scanning data for coastal landscape surveying against indirect georeferencing [PDF]
European Journal of Remote Sensing, 2017 The georeferencing process is crucial to the accuracy of terrestrial laser scanner (TLS) data, in particular in the context of diachronic studies relying on multi-temporal surveys.
Marion Jaud +8 more
doaj +5 more sources
DIRECT GEOREFERENCING OF UAVS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 UAV systems have become an attractive data acquisition platform in emerging applications. As measuring instrument they extend the lineup of possible surveying methods in the field of geomatics.
M. Bláha +3 more
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Drones, 2022 Unmanned aerial vehicles (UAVs) can obtain high-resolution topography data flexibly and efficiently at low cost. However, the georeferencing process involves the use of ground control points (GCPs), which limits time and cost effectiveness.
Xiaoyu Liu +5 more
doaj +3 more sources
A MICRO-UAV WITH THE CAPABILITY OF DIRECT GEOREFERENCING [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013 This paper presents the development of a low cost UAV (Unmanned Aerial Vehicle) with the capability of direct georeferencing. The advantage of such system lies in its high maneuverability, operation flexibility as well as capability to acquire image ...
M. Rehak, R. Mabillard, J. Skaloud
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THEORETICAL ANALYSIS OF POSITIONAL UNCERTAINTY IN DIRECT GEOREFERENCING [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 GNSS/INS system composed of Global Navigation Satellite System and Inertial Navigation System together can provide orientation parameters directly by the observations collected during the flight.
A. C. Kiraci, G. Toz
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Drones, 2022 Unmanned Aircraft Systems (UAS) are used in a variety of applications with the aim of mapping detailed surfaces from the air. Despite the high level of map automation achieved today, there are still challenges in the accuracy of georeferencing that can ...
Rolando Salas López +6 more
doaj +3 more sources
The Use of Direct Georeferencing in Aerial Photogrammetry with Micro UAV
IFAC-PapersOnLine, 2015 Abstract This paper deals with the practical use of the direct georeferencing technique which has applying in the area of aerial photogrammetry and digital surface model (DSM) creation. Todays micro unmanned aerial vehicles (UAVs) are able to carry high resolution camera, global navigation satellite system (GNSS) receiver with up to 1 centimeter ...
Petr Gabrlik
exaly +2 more sources