Hello,
Ok, thank you very much.

Le jeudi 4 septembre 2014 08:10:58 UTC+1, Jordi Inglada a écrit 

> MERAD BOUDIA Samy <[email protected] <javascript:>> wrote: 
> >k
> > Thank you for your response. 
> > Can this application work with hyper-spectral image (144 bands for 
> example)? 
>
> I don't see why it shouldn't work, but the NDVI mask should be computed 
> accordingly. However, I don't think you need all those bands to extract the 
> urban area, since the application method mainly uses textures. Therefore, 
> some kind of brightness index (sum of bands) should be enough. 
>
> Jordi 
>
> > 
> > Le mardi 2 septembre 2014 08:51:43 UTC+1, Jordi Inglada a écrit : 
> > 
> >     MERAD BOUDIA Samy wrote: 
> >     > 
> >     > hi, 
> >     > I wanted to know the application of "urbanareaextraction" is based 
> on what 
> >     > algorithm, how this application works? 
> >     > 
> >     
> >     Hi, 
> >     
> >     The following paper describes the algorithm: 
> >     
> >     http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5417530&tag=1 
> >     
> >     Jordi 
>

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