Presence of perennial halophilous scrubs in 2016 in the former saltworks of Salins de Giraud, random forest classification on WV2
2023-07-05, 2023-07-05
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The presence of perennial halophilous scrubs (S. fruticosa and A. macrostachyum) was mapped using a Worldview 2 (WV2) very-high resolution imagery acquired the 31st of August 2016, strictly cloudless. Multispectral indices, among the most used, were adapted to the bands of WV2. The Random Forest model (RF) package into the R software was used to perform image classification. RF OBB and omission errors for the class “presence” and the class “absence” were less important when the classification was done for each species individually, hence this raster is a combination of both classifications. The OBB error for S.fruticosa is 1.43% and for A. macrostachyum is 2.18%.