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Object-based change detection using semivariogram indices derived from NDVI images: The environmental disaster in Mariana, Brazil

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Academic year: 2019

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Figure 1: Methodology workflow.
Figure 2: Study area location within Minas Gerais state, Brazil.
Figure 3: Image segmentation procedure for feature extraction.
Figure 4: Projection of proposed indices in principal component planes (PC1-PC2).
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