[GRASS-dev] new addon: i.variance

[Moritz Lennert]

Le Thu, 4 May 2017 19:26:12 +0200,
Markus Neteler <neteler at osgeo.org> a écrit :

> Hi Moritz,
> 
> On Tue, Mar 21, 2017 at 1:49 PM, Moritz Lennert
> <mlennert at club.worldonline.be> wrote:
> > Hi all,
> >
> > FYI, I uploaded a simple new addon, i.variance [1], which
> > calculates local variance in an image for successively degraded
> > resolution in order to detect whether there are certain scales
> > corresponding to specific, well-represented objects in that image.
> > It is based on [2].  
> 
> 
> Very interesting!
> 
> Would you mind to add a note on how to interprete the "peak values of
> variance" in the examples?
> Say, what to deduce from it in terms of the size of detectable
> objects?

Does r71023 correspond to what you are after ?

Moritz