i.cluster
Jerry Thompson
thompson at zorro.cecer.army.mil
Tue Apr 7 17:36:24 EDT 1992
>
> |I've been asked the following:
> |
> |
> |The i.cluster program requires more than one band ("group")-
> |If I wanted to try an unsupervised classification on a NDVI
> |band alone, am I out of luck here? I suppose I could try
> |using AVHRR band 1 or 2 and the NDVI - but I'm not sure if
> |that would give proper results. Any comments?
> |
> |Anyone have a handle on this?
>
> When I wrote i.cluster, I made it require 2 or more bands. That could
> easily be attributed to my novice status as an image processing/
> statistical inference person at the time. There is probably no good
> reason to require 2 or more bands except that the original code
> I was working from would divide by 0 if there was only one band.
> Anyone interested in seeing how the 2 band restriction can be lifted?
>
> Michael
>
Why not make a "dummy" file of all value = 1?
Jerry Thompson
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