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DIRECT GEOREFERENCING OF UAV DATA BASED ON SIMPLE BUILDING STRUCTURES
image orientation structure from motion tie points building structures
2016/7/5
Unmanned Aerial Vehicle (UAV) data acquisition is more flexible compared with the more complex traditional airborne data acquisition. This advantage puts UAV platforms in a position as an alternative ...
ACCURACY ASSESSMENT OF DIRECT GEOREFERENCING FOR PHOTOGRAMMETRIC APPLICATIONS ON SMALL UNMANNED AERIAL PLATFORMS
Unmanned Aerial Vehicle UAV Direct Georeferencing GNSS Inertial Mapping
2016/3/25
Efficient mapping from unmanned aerial platforms cannot rely on aerial triangulation using known ground control points. The cost and time of setting ground control, added to the need for increased ove...
DIRECT GEOREFERENCING OF DIGITAL CAMERA IMAGES FOR STEREO PLOTTING
direct georeferencing digital aerial camera UltraCamD GPS/IMU calibration
2015/9/17
In the years of 2004 to 2006, the Portuguese authority for forestry, the Direcção Geral dos Recursos Florestais (DGRF) ordered a digital photo flight over the whole country. The images, acqu...
THE DIRECT GEOREFERENCING APPLICATION AND PERFORMANCE ANALYSIS OF UAV HELICOPTER IN GCP-FREE AREA
GeoSat Informatics Technology Corporation National Cheng Kung University The University of Calgary Purdue University
2015/9/10
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 de...
DIRECT GEOREFERENCING ON SMALL UNMANNED AERIAL PLATFORMS FOR IMPROVED RELIABILITY AND ACCURACY OF MAPPING WITHOUT THE NEED FOR GROUND CONTROL POINTS
Unmanned Aerial Vehicle UAV Direct Georeferencing GNSS Inertial Mapping Photogrammetry
2015/9/10
This paper presents results from a Direct Mapping Solution (DMS) comprised of an Applanix APX-15 UAV GNSS-Inertial system integrated with a Sony a7R camera to produce highly accurate ortho-rectified i...
INITIAL RESULTS OF THE ITALIAN PROJECT ON DIRECT GEOREFERENCING IN AERIAL PHOTOGRAMMETRY
Photogrammetry, GPS/INS, analysis
2015/6/1
The paper describes one of the first outcomes of an Italian national research Project on inertial positioning in photogrammetry. The
focus of the paper is on the quality which is attainable from dir...
A PROGRAM FOR DIRECT GEOREFERENCING OF AIRBORNE AND SPACEBORNE LINE SCANNER IMAGES
orthoimage direct georeferencing geometric rectification airborne and spaceborne line scanner
2015/5/12
For high quality direct georeferencing it is important that all geometric parameters influencing the rectification process are taken into
account. These parameters are the exterior and interior orien...
The influence of the in situ camera calibration for direct georeferencing of aerial imagery
Direct Georeferencing GNSS INS In Situ Calibration Photogrammetry
2014/12/4
The direct determination of exterior orientation parameters (EOPs) of aerial images via GNSS/INS technologies is an essential prerequisite in photogrammetric mapping nowadays. Although direct sensor o...