I have a Sentinel-2 L2A image downloaded from the Scihub.copernicus website.This image has clouds that muddle the classification. Thus, I want to remove them using sen2cor and SNAP. Is there any suggestions?
Sentinel-2 L2A products already include a cloud mask (in the "SCL file), produced by Sen2cor (but quite far from perfection). You do not need to apply Sen2cor again.