hello ,
I have a little question I have 7 images (7 months) Landsat 8 (for a year)
i use this fonction
for f in LAND*.TIF; do otbcli_RadiometricIndices.bat -channels.blue 2
-channels.green 3 -channels.red 4 -channels.nir 5 -in "$f" -out "NDVI_$f"
-list Vegetation:NDVI; done
after i do
ndvi=`for i in $(seq 0 6); do printf "ndvi_$i "; done`
and
otbcli_TrainVectorClassifier.bat -io.vd training_samples.sqlite -cfield
code -classifier rf -classifier.rf.max 20 -io.out model.rf -feat ${ndvi}
and i have
2016 Nov 09 11:04:36 : Application.logger (INFO) Precision of class [28]
vs all: 0.0697674
2016 Nov 09 11:04:36 : Application.logger (INFO) Recall of class [28]
vs all: 1
2016 Nov 09 11:04:36 : Application.logger (INFO) F-score of class [28]
vs all: 0.130435
2016 Nov 09 11:04:36 : Application.logger (INFO) Global performance,
Kappa index: 0
there is no vegetation very strange ????
is there the good numbers of channels ?
many thanks
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