Need Help

Serigne Mansour DIENE

First : I want to know how could i change the name of raster images’s band? Because i have a multispectral image with 8 band and the name is none when i do image.descrptions. 

Second : 
On this multispectral image, I want to compute an MSAVI2 spectral index and extract all non-ground pixels to mask another image.

MSAVI2 allows to mask the ground by giving it values 0 or 1.

Best regards

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