Results 71 to 80 of about 647 (152)

Georeferencing multi-scale imagery in photogrammetry

open access: yes, 2007
Georeferencing is crucial to make imagery useful for extracting geospatial information. This thesis presents an economic and feasible approach to georeference multi-scale imagery to the common coordinate system, which is called local coordinate system ...
Zhu, Lingli
core  

Improved Method for Airborne Photogrammetry Using Small Uninhabited Aerial Vehicles in Recording Existing and Historic Structures

open access: yes, 2017
This research's objective was to investigate an alternative cost effective means of direct georeferencing for airborne photogrammetry using small UAVs. Through added computational functionality, a custom data acquisition script was developed to directly ...
Dalphy, Joshua
core   +1 more source

Direct Georeferencing with Onboard Navigation Components of a Light Weight UAV Platform [PDF]

open access: yes, 2012
Unbemannte Luftfahrzeuge (unmanned aerial vehicles - UAV) stellen für die Aufnahme von kleinräumigen Gebieten eine kostengünstige Alternative zur klassischen bemannten Luftbildphotogrammetrie dar.
Glira, Philipp; orcid:
core  

Publishing Reference Geodata on the Web : Opportunities and Challenges for IGN France [PDF]

open access: yes, 2014
International audienceThe French national mapping agency (IGN) produces several different but complementary geographic vector reference databases delivered in traditional GIS formats.
Troncy, Raphaël   +3 more
core  

On the use of direct georeferencing in airborne photogrammetry

open access: yes, 2001
With the availability of high-end integrated GPS/inertial systems the direct georeferencing of airborne imaging sensors becomes feasible even for highest accuracy demands.
Michael Cramer
core  

The role of control network in the accuracy of underground laser scanning surveys [PDF]

open access: yes, 2017
Terrestrial laser scanning is used in various fields with numerous applications, one being the documentation of heritage sites. Often scans will be georeferenced with respect to a real-world coordinate system. This is done using either direct or indirect
Page, Christopher John
core   +1 more source

Determining the Optimum Number of Ground Control Points for Obtaining High Precision Results Based on UAS Images

open access: yes, 2018
Ground control points (GCPs) are used in the process of indirectly georeferencing Unmanned Aerial Systems (UAS) images. A minimum of three ground control points (GCPs) is required but increasing the number of GCPs will lead to higher accuracy of the ...
Florian Statescu   +2 more
core   +1 more source

Comparison of four UAV georeferencing methods for environmental monitoring purposes focusing on the combined use with airborne and satellite remote sensing platforms

open access: yes
Altres ajuts: C.P. is a recipient of a FI-DGR scholarship grant (2016B_00410). X.P. is a recipient of an ICREA Academia Excellence in Research Grant ().This work is aimed at the environmental remote sensing community that uses UAV optical frame imagery ...
Padró Garcia, Joan-Cristian   +3 more
core  

KAJIAN PENGGUNAAN GROUND CONTROL POINT (GCP) PADA UAV RTK UNTUK MENINGKATKAN KETELITIAN PETA DASAR PERTANAHAN (Studi Kasus: Desa Rayunggumuk, Kecamatan Glagah, Kabupaten lamongan) [PDF]

open access: yes
Peningkatan ketelitian pemetaan pertanahan menjadi prioritas utama dalam pengelolaan lahan. Berdasarkan nomor 03/JUKNIS-HK.02/III/2023 tentang peta foto penggunaan GCP minimal pada area datar sebanyak 5 titik menggunakan UAV RTK dengan pengolahan PPK.
Zidan, Muhammad
core  

Microeconomic and Geo-physical Data Integration for Agri-environmental Analysis, Georeferencing FADN Data: A Case Study in Italy

open access: yes
The authors, inside a TAPAS action, have developed a methodology - based on the integration between FADN data with statistical, administrative and cartographic information - to improve the production of statistical data related to agricultural policies ...
Giampaolo, Antonio   +2 more
core   +1 more source

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