Details Ticket 3898


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Serial Number 3898
Subject Object Oriented Classification
Area wish6
Queue grass
Requestors ferret_bard@mac.com
Owner none
Status open
Last User Contact Fri Dec 16 12:26:31 2005 (3 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Fri Dec 16 12:26:31 2005 (3 yr ago)
Created Fri Dec 16 00:06:31 2005 (3 yr ago)

Transaction History Ticket 3898


Fri, Dec 16 2005 00:06:31    Request created by guest  
Subject: Object Oriented Classification

Platform: Mac OSX
grass obtained from: CVS
grass binary for platform: Downloaded precompiled Binaries
GRASS Version: 6.1.cvs

I've recently been made aware of a classification systems called object oriented
classification.  At pressent, the only program that does it is eCognition.  I
hate to use the term "wave of the future" but I think it qualifies.  I was wondering
what the possiblity of working object oriented classification into GRASS would
be?  It already does supervised and unsupervised classification (as well as partially
supervised).

Not being a programer, I am not sure how complicated that would be, so I am not
holding my breath for 6.1.  But may be a release down the road.

GRASS has the capablities of ARCGIS and ERDAS Imagine.  Imagine may be incorperating
object oriented classification soon, so it would be useful if there were an opensource
alternitive.

Thanks for listening.

Kurt Springs
Fri, Dec 16 2005 12:15:22    Mail sent by werchowyna@epf.pl  
Return-Path <werchowyna@epf.pl>
Delivered-To grass-bugs@lists.intevation.de
Subject Re: [GRASS5] [bug #3898] (grass) Object Oriented Classification
From Maciek Sieczka <werchowyna@epf.pl>
To Request Tracker <grass-bugs@intevation.de>
Cc grass5@grass.itc.it
In-Reply-To <20051215230631.C29F6101FBA@lists.intevation.de>
References <20051215230631.C29F6101FBA@lists.intevation.de>
Content-Type text/plain; charset=ISO-8859-2
Date Fri, 16 Dec 2005 12:15:03 +0100
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On pią, 2005-12-16 at 00:06 +0100, Request Tracker wrote:
> this bug's URL: http://intevation.de/rt/webrt?serial_num=3898
> -------------------------------------------------------------------------
> 
> Subject: Object Oriented Classification
<snip>
> At pressent, the only program that does it is eCognition
> so it would be useful if there were an opensource alternitive.

How close (or far) to what you refer to as to "Object Oriented
Classification" the i.smap and friends in Grass are?

Maciek


--------------------
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z nich!
http://katalog.epf.pl/


Fri, Dec 16 2005 12:26:31    Mail sent by neteler@itc.it  
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Delivered-To grass-bugs@lists.intevation.de
Date Fri, 16 Dec 2005 12:26:22 +0100
From Markus Neteler <neteler@itc.it>
To Request Tracker <grass-bugs@intevation.de>
Cc grass5@grass.itc.it
Subject Re: [GRASS5] [bug #3898] (grass) Object Oriented Classification
Message-ID <20051216112622.GG18633@thuille.itc.it>
Mail-Followup-To Request Tracker <grass-bugs@intevation.de>, grass5@grass.itc.it
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On Fri, Dec 16, 2005 at 12:06:31AM +0100, Request Tracker wrote:
> this bug's URL: http://intevation.de/rt/webrt?serial_num=3898
> -------------------------------------------------------------------------
> 
> Subject: Object Oriented Classification
> 
> Platform: Mac OSX
> grass obtained from: CVS
> grass binary for platform: Downloaded precompiled Binaries
> GRASS Version: 6.1.cvs
> 
> I've recently been made aware of a classification systems called object oriented
classification.  At pressent, the only program that does it is eCognition.  I
hate to use the term "wave of the future" but I think it qualifies.  I was wondering
what the possiblity of working object oriented classification into GRASS would
be?  It already does supervised and unsupervised classification (as well as partially
supervised).
> 
> Not being a programer, I am not sure how complicated that would be, so I am
not holding my breath for 6.1.  But may be a release down the road.
> 
> GRASS has the capablities of ARCGIS and ERDAS Imagine.  Imagine may be incorperating
object oriented classification soon, so it would be useful if there were an opensource
alternitive.
> 
> Thanks for listening.
> 
> Kurt Springs

Kurt,

one could think of combining the (internal) results of i.smap with
the new DB engine to create a hierarchial model with sets of
rules. The pieces are partially there, but it needs certainly
some efforts. But I am not too familiar with eCognitions approach.

Markus


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