Water hyacinth (Eichhornia crassipes) detection using coarse and high resolution multispectral data
- Pádua, Luís
- Geraldes, Ana Maria
- Sousa, Joaquim
- Rodrigues, M.A.
- Oliveira, Verónica
- Santos, Daniela
- Miguens, Maria Filomena P.
- Castro, João Paulo
Publication date
January 2022
DOI Publisher
MDPI AG Journal
Drones Language
EnglishAbstract
Efficient detection and monitoring procedures of invasive plant species are required. It is of crucial importance to deal with such plants in aquatic ecosystems, since they can affect biodiversity and, ultimately, ecosystem function and services. In this study, it is intended to detect water hyacinth (Eichhornia crassipes) using multispectral data with different spatial resolutions. For this purpose, high-resolution data (<0.1 m) acquired from an unmanned aerial vehicle (UAV) and coarse-resolution data (10 m) from Sentinel-2 MSI were used. Three areas with a high incidence of water hyacinth located in the Lower Mondego region (Portugal) were surveyed. Different classifiers were used to perform a pixel-based detection of this invasive...
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