[GRASS-dev] About signature files.

[Markus Neteler]

Markus Neteler wrote on 09/10/2007 06:18 PM:
> Juan Diego Giraldo Osorio wrote on 09/10/2007 05:17 PM:
>   
>> Hi coworkers
>>
>> I'm working with grass62. Now I'm trying to develop a code to classify
>> MODIS images. I have been using i.cluster, but this code perform an
>> unsupervised classification (in conjunction with i.maxlik). I have three
>> categories built with v.digit, then I need the signature file for this
>> training pixels like input to i.maxlik. Someone have developed an
>> "i.signature" code, with a categorized map like input, and the signature
>> file like output?
>>   
>>     
> It is there: i.gensig. Here the overview:
>
> Classification methods in GRASS (table best seen with courier font):
>
>   

OK, the table didn't survive the formatting.
Just have a look here:

g.manual imageryintro
or
http://grass.itc.it/grass63/manuals/html63_user/imageryintro.html
-> Image classification

Markus

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ITC -> dall'1 marzo 2007 Fondazione Bruno Kessler
ITC -> since 1 March 2007 Fondazione Bruno Kessler
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