Fmask 4.0 softwares

hi all
can some one help me to use the Fmask application

i tried it on sentinel2 image

the resulte doesn’t show cloud and shadow cloud


I have never used fmask and cannot tell if the result is reasonable or valid.
But from a QGIS perspective, maybe you should switch from a color ramp (Singleband gray) to an explicit palette (Paletted/Unique values). It could be that only the first 5 values of the 0-255 range are used.


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thank you so much