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Sourd, Romain Crastes Dit |
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Marton, Peter |
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Toaza, Bladimir |
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Lubashevsky, Katrin |
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Ambros, Jiří |
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Niederdränk, Simon |
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Khoshkha, Kaveh |
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Brenner, Thomas |
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Badea, Andrei | Delft |
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Michálek, Tomáš | Pardubice |
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Jensen, Anders Fjendbo | Kongens Lyngby |
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Le Goff, A. |
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Greer, Ross |
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Gutiérrez, Javier | Madrid |
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Sagues, Mikel |
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Eggermond, Michael Van |
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Milica Milovanović, M. |
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Carrasco, Juan-Antonio |
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Groen, Eric L. |
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Tzenos, Panagiotis |
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Mesas, Juan-José |
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Oikonomou, Maria G. |
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Messiou, Chrysovalanto |
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Giuliani, Felice |
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Roussou, Julia |
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Silva, P.
in Cooperation with on an Cooperation-Score of 37%
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Publications (13/13 displayed)
- 2023Railways Passengers Comfort Evaluation through Motion Parameters: A Systematic Reviewcitations
- 2023DC Fast Chargers for Electric Vehicles: Portuguese Solution for Energy Metering and Billing Issuescitations
- 2023Indirect Assessment of Railway Infrastructure Anomalies Based on Passenger Comfort Criteriacitations
- 2020Mechanical and Microstructural Properties of Alkali Pozzolan Cement (APC)citations
- 20203d reconstruction of historical sites using an uavcitations
- 2020Environmental perceptions and its associations with physical fitness and body composition in adolescents: Longitudinal results from the LabMed Physical Activity Studycitations
- 2020The deep medial femoral sulcus sign: does it exist?citations
- 2019A Machine Learning Based Quality of Service Estimator for Aerial Wireless Networkscitations
- 2018Development of a QGIS Plugin to Obtain Parameters and Elements of Plantation Trees and Vineyards with Aerial Photographscitations
- 2018RedeFINE: Centralized Routing for High-capacity Multi-hop Flying Networkscitations
- 2017Proposal of a carsharing system to improve urban mobility
- 2012Controlling multi-switch networks for prompt reconfigurationcitations
- 2009Experiments on timing aspects of DC-Powerline communicationscitations
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article
Development of a QGIS Plugin to Obtain Parameters and Elements of Plantation Trees and Vineyards with Aerial Photographs
Abstract
Unmanned Aerial Vehicle (UAV) imagery allows for a new way of obtaining geographic information. In this work, a Geographical Information System (GIS) open source application was developed in QGIS software that estimates several parameters and metrics on tree crown through image analysis techniques (image segmentation and image classification) and fractal analysis. The metrics that have been estimated were: area, perimeter, number of trees, distance between trees, and a missing tree check. This methodology was tested on three different plantations: olive, eucalyptus, and vineyard. The application developed is free, open source and takes advantage of QGIS integration with external software. Several tools available from Orfeo Toolbox and Geographic Resources Analysis Support System (GRASS) GIS were employed to generate a classified raster image which allows calculating the metrics referred before. The application was developed in the Python 2.7 language. Also, some functions, modules, and classes from the QGIS Application Programming Interface (API) and PyQt4 API were used. This new plugin is a valuable tool, which allowed for automatizing several parameters and metrics on tree crown using GIS analysis tools, while considering data acquired by UAV.
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