2020
DOI: 10.3390/rs12071222
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Object-Based Ensemble Learning for Pan-European Riverscape Units Mapping Based on Copernicus VHR and EU-DEM Data Fusion

Abstract: Recent developments in the fields of geographical object-based image analysis (GEOBIA) and ensemble learning (EL) have led the way to the development of automated processing frameworks suitable to tackle large-scale problems. Mapping riverscape units has been recognized in fluvial remote sensing as an important concern for understanding the macrodynamics of a river system and, if applied at large scales, it can be a powerful tool for monitoring purposes. In this study, the potentiality of GEOBIA and EL algorit… Show more

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Cited by 23 publications
(25 citation statements)
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“…Continental-scale high-spatial resolution fluvial accurately document the changes (e.g., [12,13]). Continental-scale high-spatial resolution fluvial mapping initiatives such as [14] are not yet available for South America. The data readily available to Brazilian agencies and others studying these regions are usually generated from moderate resolution images with pixel sizes of 30 m or more, and can lead to substantial uncertainties in calculations of impact area, greenhouse gas emissions, habitat loss, etc.…”
Section: Discussionmentioning
confidence: 99%
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“…Continental-scale high-spatial resolution fluvial accurately document the changes (e.g., [12,13]). Continental-scale high-spatial resolution fluvial mapping initiatives such as [14] are not yet available for South America. The data readily available to Brazilian agencies and others studying these regions are usually generated from moderate resolution images with pixel sizes of 30 m or more, and can lead to substantial uncertainties in calculations of impact area, greenhouse gas emissions, habitat loss, etc.…”
Section: Discussionmentioning
confidence: 99%
“…In order to quantify the extent of the flooded area due to the main and artificial reservoirs of the dam, we developed a high spatial resolution surface water classification for 2011 (pre Belo Monte) and 2019 (after operationalization of the dam). These datasets were produced from RapidEye (5 m) and PlanetScope (3 m) imagery classified with a Geographic Object Based Image Analysis (GEOBIA) approach [14,16].…”
Section: Discussionmentioning
confidence: 99%
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“…computer vision), river remote sensing studies do not achieve classification accuracies above 90%, (e.g. Boruah et al, 2008;Casado et al, 2015;Demarchi et al, 2020;Gilvear et al, 2008;Legleiter and Goodchild, 2005;Rusnák et al, 2018;Smikrud et al, 2008;Wang et al, 2016). This is largely because at meter-scale and centimeter-scale resolution, the assumption that a semantic class can be described by a set of unimodal distributions of brightness values is not necessarily valid.…”
Section: Introductionmentioning
confidence: 99%