Re: [GRASS-user] unsupervised image classification

2012-03-28 Thread Milton Cezar Ribeiro
Excelent! thanks miltinho 2012/3/28, Markus Neteler : > On Tue, Mar 27, 2012 at 11:03 PM, Milton Cezar Ribeiro > wrote: >> Dear all, >> >> I need to classify a Landsat image on GRASS but I would like to >> automatically define the classes, not to define a priori. >> >> Is there a way of I set t

Re: [GRASS-user] unsupervised image classification

2012-03-28 Thread Markus Neteler
On Tue, Mar 27, 2012 at 11:03 PM, Milton Cezar Ribeiro wrote: > Dear all, > > I need to classify a Landsat image on GRASS but I would like to > automatically define the classes, not to define a priori. > > Is there a way of I set the input bands on a processing, and the > algorithm find the "signa

[GRASS-user] unsupervised image classification

2012-03-27 Thread Milton Cezar Ribeiro
Dear all, I need to classify a Landsat image on GRASS but I would like to automatically define the classes, not to define a priori. Is there a way of I set the input bands on a processing, and the algorithm find the "signatures" within the images and define the number of classes? In this moment