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Re: [Databionic-esom-devel] Re: interface for clustering in ESOM tools
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<fa...@in...> - 2005-05-10 20:33:06
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I think Niko knows best how to open a dev branch. @niko: if you are missing the rights, let me know. or you can just tell me how to do it. bye fabian Christian Stamm wrote: > Hello Fabien, > > I'll try to make a GUI-Tool out of it till the weekend. Unfortunately the > Tools are in the middle of some sort of refactoring at the moment (see > also mail 'No Subject' [sic!] from this list), which makes this a little > tricky. > > We'll need a development branch in cvs before starting to fix this. As I > have not reached the peak in cvs' learning curve yet, any hint on this is > appreciated. > > regards > Christian Stamm > > > Fabien Moutarde said: > >>Hello. >> >>First of all, it seems that U*-matrix are not yet implemented in the >>current version >>of the package, so I can only make a version working on U-matrix... >> >>Also, another problem is that the current version of U*F clustering is >>still not *fully* >>automated: it is rather conceived as an interactive system where you >>display >>the U*-matrix (or U-matrix), and then click with the mouse on one point >>"inside" >>each of what "looks to be a separate region on the map" (with even >>sometimes >> the need for manual tuning of the threshold parameter, when the >>semi-automated >>version chooses too big a threshold so that 2 "would-be regions" get >>flooded together >>as only one region). >> >>Anyway, I nevertheless worked out a version fitted to the Cluster.java >>skeleton >>you sent me, but it is not very convenient : >> one has to run the program several times to iteratively add segmented >>regions into the classmask file ; also, the (x,y) starting point of >>region-growing has >> to be set manually (through options -x and -y), which is *definitely* >>NOT convenient ; >>the category ID also has to be specified this way (with the -g option), >>but is less a hassle >>than for x,y. >> >>The ideal would thus be if there was some way to integrate the >>segmentation >>tool in the GUI displaying the U-matrix (and U*-matrix when you shall have >>added it), so that clicking on the matrix display is possible, as well >>as having >> some buttons (such as "new category", "erase category", ...), plus a >>slider >>and textfield (for cases when manual tuning of threshold has to be >>done)... >> >>Also, I am currently doing some experiments on an approach for automating >> the choice of starting points (and when to stop trying to grow new >>regions) which >>could allow a fully automated segmentation of the U*-matrix (or >>U-matrix), that >>would be more adapted to your Cluster.java skeleton. But it is still too >>preliminary, >>and not really operational... >> >> >>Regards, >> >>+++++++++++++++++++++++++++++++++++++++++++++++++++++++ >>Fabien MOUTARDE >>Ecole Nationale Superieure des Mines de Paris (ENSMP) >>60 Bd Saint-Michel, 75272 PARIS Cedex 06, FRANCE >>Tel : 33 - (0) 1.40.51.92.92 Fax : 33 - (0) 1.40.51.93.01 >>E-mail : Fab...@en... Web : http://www.ensmp.fr/~moutarde >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> >>Fabian Mörchen wrote: >> >> >>>Dear Fabien Moutarde, >>> >>>i have implemented an interface for automatic clustering algorithms in >>>the ESOM tools to aid your plans of implementing U*F. >>> >>>as a start you should check out the latest sources from sourceforge >>>[1] and follow the description for compiling [2]. >>> >>>the file src/java/databionics/esom/Cluster.java is a simple >>>demonstration for clustering the neurons of a trained ESOM. the >>>weights (*.wts) and U-Matrix and P-Matrix (both *.umx) as well as the >>>training data (*.lrn) are loaded according to the command line >>>parameters given. the clustering simply creates four clusters >>>according to the quadrants of the coordinates on the map. this way you >>>can already see how to access the map with spatial coordinates. >>> >>>the skript to start the program is called esomclust[.bat], "esomclust >>>-h" will list the syntax. the saved class mask (*.cls with one entry >>>per neuron) can be loaded from within the GUI and displayed on top of >>>the ESOM. later we will provide a mechanism to call the cluster tool >>>via the menu and have the result automatically loaded. >>> >>>you can plug in your algorithm in the Cluster.java file, if you wish. >>>later we can put it in a different class and offer several algorithms >>>from within the Cluster class. >>> >>>if you have any problems getting this to work or further questions on >>>how to access certain data structres needed in your algorithm, don't >>>hesitate to ask. the developer mailing [3] list would be a good place >>>for this, since your questions and my (of my student's) answers will >>>be available to future contributors as well. >>> >>>Regards, >>>Fabian Mörchen >>> >>>[1] http://databionic-esom.sourceforge.net/cvs-usage.html >>>[2] http://databionic-esom.sourceforge.net/devel.html >>>[3] http://databionic-esom.sourceforge.net/mail-lists.html >> >> >> > > > > > ------------------------------------------------------- > This SF.Net email is sponsored by Oracle Space Sweepstakes > Want to be the first software developer in space? > Enter now for the Oracle Space Sweepstakes! > http://ads.osdn.com/?ad_ids93&alloc_id281&opÌk > _______________________________________________ > Databionic-esom-devel mailing list > Dat...@li... > https://lists.sourceforge.net/lists/listinfo/databionic-esom-devel |
