<div dir="ltr">Hi all,<br><br>Dough N. asked me about classification of results from i.segment module. Here is the summary of current state in case somebody else is interested.<br><br>Vaclav<br><br><div><br>Moritz's steps and the main discussion:<br>

<br>[GRASS-dev] Object-based image classification in GRASS<br><a href="http://lists.osgeo.org/pipermail/grass-dev/2013-October/066181.html">http://lists.osgeo.org/pipermail/grass-dev/2013-October/066181.html</a><br><a href="http://osgeo-org.1560.x6.nabble.com/Object-based-image-classification-in-GRASS-td5086693.html">http://osgeo-org.1560.x6.nabble.com/Object-based-image-classification-in-GRASS-td5086693.html</a><br>

<br>Moritz's steps in a nice guide by Martin:<br><br><a href="http://geo.fsv.cvut.cz/gwiki/153ZODH_/_15._cvi%C4%8Den%C3%AD">http://geo.fsv.cvut.cz/gwiki/153ZODH_/_15._cvi%C4%8Den%C3%AD</a><br><a href="http://translate.google.com/translate?sl=cs&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fgeo.fsv.cvut.cz%2Fgwiki%2F153ZODH_%2F_15._cvi%25C4%258Den%25C3%25AD&act=url">http://translate.google.com/translate?sl=cs&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fgeo.fsv.cvut.cz%2Fgwiki%2F153ZODH_%2F_15._cvi%25C4%258Den%25C3%25AD&act=url</a><br>

<br>Alternative notes by Moritz:<br><br>[GRASS-user] Classification of segments<br><a href="http://lists.osgeo.org/pipermail/grass-user/2013-November/069254.html">http://lists.osgeo.org/pipermail/grass-user/2013-November/069254.html</a><br>

<a href="http://osgeo-org.1560.x6.nabble.com/Re-Classification-of-segments-td5088837.html">http://osgeo-org.1560.x6.nabble.com/Re-Classification-of-segments-td5088837.html</a><br><br>Pietro's steps and tools:<br><br>
<a href="http://lists.osgeo.org/pipermail/grass-dev/2014-January/066804.html">http://lists.osgeo.org/pipermail/grass-dev/2014-January/066804.html</a><br>
<a href="http://osgeo-org.1560.x6.nabble.com/Object-based-image-classification-in-GRASS-tp5086693p5096826.html">http://osgeo-org.1560.x6.nabble.com/Object-based-image-classification-in-GRASS-tp5086693p5096826.html</a><br>

<br>Another discussion about what variables to use:<br><br>[GRASS-dev] Object-based classification<br><a href="http://lists.osgeo.org/pipermail/grass-dev/2013-August/065287.html">http://lists.osgeo.org/pipermail/grass-dev/2013-August/065287.html</a><br>

<a href="http://osgeo-org.1560.x6.nabble.com/i-segment-invalid-region-id-0-tp5066102p5070201.html">http://osgeo-org.1560.x6.nabble.com/i-segment-invalid-region-id-0-tp5066102p5070201.html</a><br><br>The source code of the classification tools:<br>

<br><a href="http://svn.osgeo.org/grass/grass-addons/grass7/vector/v.class.ml/">http://svn.osgeo.org/grass/grass-addons/grass7/vector/v.class.ml/</a> (Pietro's tool)<br><a href="http://svn.osgeo.org/grass/grass-addons/grass7/vector/v.class.mlpy/">http://svn.osgeo.org/grass/grass-addons/grass7/vector/v.class.mlpy/</a> (Vaclav's tool)<br>

<a href="http://svn.osgeo.org/grass/sandbox/turek/i.mlpy.py">http://svn.osgeo.org/grass/sandbox/turek/i.mlpy.py</a> (Stepan's tool)<br><br>List of Python machine learning libraries (which I know about):<br><br>scikit-learn, <a href="http://scikit-learn.org/">http://scikit-learn.org/</a> (used by <a href="http://v.class.ml">v.class.ml</a>)<br>

mlpy, <a href="http://mlpy.sourceforge.net/">http://mlpy.sourceforge.net/</a> (used by <a href="http://v.class.ml">v.class.ml</a>, v.class.mlpy and i.mlpy)<br>Pandas, <a href="http://pandas.pydata.org/">http://pandas.pydata.org/</a><br>

Milk, <a href="http://luispedro.org/software/milk">http://luispedro.org/software/milk</a><br><br></div></div>