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Table 4 Features selected by different feature selection algorithms

From: Improving the estimation of alpine grassland fractional vegetation cover using optimized algorithms and multi-dimensional features

Algorithm name

Selected features

Boruta

DEM, VARI, slope, ARVI, NDVI, SR, TDVI, IPVI, GARI, b7, MSR, OSAVI, b2, b4, NLI, MNLI, GNDVI, GRVI, RDVI, b6, aspect, EVI

SFS

DEM, slope, VARI, b7, ARVI, b4, b2, OSAVI, GARI, aspect, b6, IPVI, SR, MSR, NDVI

PI-RFE

DEM, VARI, slope, b7, aspect, b2, b4, ARVI, OSAVI, NDVI, SR, GARI, TDVI, NDVI, IPVI, b1, MSR, b6