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• W3037492164 endingPage "2005" @default.
• W3037492164 startingPage "2005" @default.
• W3037492164 abstract "Land cover type classification still remains an active research topic while new sensors and methods become available. Applications such as environmental monitoring, natural resource management, and change detection require more accurate, detailed, and constantly updated land-cover type mapping. These needs are fulfilled by newer sensors with high spatial and spectral resolution along with modern data processing algorithms. Sentinel-2 sensor provides data with high spatial, spectral, and temporal resolution for the in classification of highly fragmented landscape. This study applies six traditional data classifiers and nine ensemble methods on multitemporal Sentinel-2 image datasets for identifying land cover types in the heterogeneous Mediterranean landscape of Lesvos Island, Greece. Support vector machine, random forest, artificial neural network, decision tree, linear discriminant analysis, and k-nearest neighbor classifiers are applied and compared with nine ensemble classifiers on the basis of different voting methods. kappa statistic, F1-score, and Matthews correlation coefficient metrics were used in the assembly of the voting methods. Support vector machine outperformed the base classifiers with kappa of 0.91. Support vector machine also outperformed the ensemble classifiers in an unseen dataset. Five voting methods performed better than the rest of the classifiers. A diversity study based on four different metrics revealed that an ensemble can be avoided if a base classifier shows an identifiable superiority. Therefore, ensemble approaches should include a careful selection of base-classifiers based on a diversity analysis." @default.
• W3037492164 created "2020-07-02" @default.
• W3037492164 creator A5016857173 @default.
• W3037492164 creator A5017250124 @default.
• W3037492164 creator A5067248842 @default.
• W3037492164 date "2020-06-22" @default.
• W3037492164 modified "2023-09-26" @default.
• W3037492164 title "Machine Learning Classification Ensemble of Multitemporal Sentinel-2 Images: The Case of a Mixed Mediterranean Ecosystem" @default.
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• W3037492164 doi "https://doi.org/10.3390/rs12122005" @default.
• W3037492164 hasPublicationYear "2020" @default.
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