Economic and Environmental Geology

Fig. 5.

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Fig. 5. Data preparation for image classification with random forest approach. (a) Example of selected layers for training. Class 1 with pink-filled polygons indicates the areas where the buried heritages are expected, whereas class 2 with green-filled polygons is associated with the areas where no buried targets are expected (e.g., soil layer). (b) Polygons selected for training (dark green) and validation (dark red) to build a classification model.
Econ. Environ. Geol. 2022;55:551-61
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