Ciao Nikos :) Yes, you are right! I missed that one!
There's ISODATA unsupervised classification algorithm (not in GRASS that I know) and it allows for just one band input. Cheers, Vero 2015-10-08 16:52 GMT-03:00 Nikos Alexandris <[email protected]>: > * Veronica Andreo: > > > Ciao Umberto, > > > > AFAIK, classification is multivariate on its statistical basis, so that's > > why it will only take a group as input. If you only have one band, you > may > > want to extract some information from it, for example by using r.texture > > module [1]. With those resulting new bands and the original one you can > > create then a group and perform the classification you prefer. > > [1] https://grass.osgeo.org/grass71/manuals/r.texture.html > > > Ciao Vero. There is, for example, the ISODATA algorithm out there. > Just not in GRASS (yet?). > > Nikos >
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