Table 2 Classifier attributes and classification parameters
From: Uncontrolled Illegal Mining and Garimpo in the Brazilian Amazon
Parameters | Values |
|---|---|
Classifier | U-Net |
Tile-Size | 256 × 256 pixels |
Optimizer | Nadam |
Learning-Rate | 0.01 |
Decay Rate | 0.1 |
Samples | 35,000 (17.500–1985, 17.500–2022) |
Attributes | Swir1, Nir1, Red, modified normalized difference water index (MNDWI)88, normalized difference vegetation index (NDVI)89, and normalized difference soil index (NDSI)90 |
Classes | 2 (mining and non-mining) |
