[GRASS-dev] i.segment at Community Sprint

[Pierre Roudier]

Thanks Markus and Eric,

I have similar feedback when testing on various SPOT5 scenes. XL results
are not entirely identical of course, but reasonably similar, so I support
Markus' decision.

Cheers,

Pierre
On Feb 11, 2013 10:53 PM, "Markus Metz" <markus.metz.giswork at gmail.com>
wrote:

> Hi all,
>
> I have tested again i.segment and discovered that for the NC Landsat
> 2000 imagery the module takes nearly 7 hours for reasonable
> segmentation. The i.segment.xl module does the same in 10 seconds. The
> region consists of 250 000 cells, not so much. In the documentation it
> says that processing the entire ortho image takes about a day. With
> the xl version it takes about 10 minutes. I am going to move the xl
> version to trunk and keep the original GSoC version in addons for
> reference.
>
> Markus M
>
>
> On Fri, Feb 8, 2013 at 5:47 AM, Eric Momsen <eric.momsen at gmail.com> wrote:
> > Sorry for not responding right away, I hadn't realized the code sprint
> > started (finished?!) already.  There is a paper deadline this month and a
> > thesis to write that has consumed my attention...  I don't think I'll
> have
> > time for anything in February.  If noone else wants/needs to do it
> sooner, I
> > hope to have a break between my thesis writing and starting work this
> > summer.  So in April(???) I will find some time to dedicate to GRASS code
> > and/or documents again.
> >
> > -Eric
> >
> >
> > On Mon, Feb 4, 2013 at 3:01 AM, Moritz Lennert
> > <mlennert at club.worldonline.be> wrote:
> >>
> >> On 02/02/13 17:37, Markus Metz wrote:
> >>>
> >>> On Sat, Feb 2, 2013 at 12:56 PM, Moritz Lennert
> >>> <mlennert at club.worldonline.be>  wrote:
> >>>>
> >>>> Markus and Yann,
> >>>>
> >>>> If you have the time it might be a great opportunity to use the
> >>>> community
> >>>> sprint to get i.segment from the addons to trunk. What do you think ?
> >>>
> >>>
> >>> I would prefer i.segment.xl for speed reasons and memory control, but
> >>> the shape functionality in i.segment would need to be ported to
> >>> i.segment.xl first.
> >>
> >>
> >> I meant i.segment in a global sens, not distinguishing .xl, so that's
> >> perfectly fine with me.
> >>
> >> Eric, any chance for you to look at integrating your work on shapes into
> >> i.segment.xl ?
> >>
> >> Moritz
> >
> >
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