Guillaume, I'll try what you suggest and I'll let you know. Thank you. Regards,
Le jeudi 24 novembre 2016 13:46:00 UTC, Guillaume Pasero a écrit : > > Hi Patricia, > > If I understand right, you want to perform object-based classification. > > In OTB-5.6.1 there is the application TrainVectorClassifier to train a > classifier based on input geometries. You have to set several fields in the > geometries you want to use for training : > > - one field to indicate the class of the geometry > > - several numeric fields to store the features attached to geometries. > > The fields can be extracted from a raster with LSMSVectorization and > modified with QGis. > > After the training, you can either apply the model on the full set of > geometries (with OGRLayerClassifier), or try to apply it on a raster (with > ImageClassifier, but more difficult). > > Regards, > > Guillaume > On 11/24/2016 02:09 PM, Patricia Lourenco wrote: > > Dear all, > I am new with OTB-Monteverdi 5-6-1. > > I want to classify an image based on the segments created in the > LSMVSVectorization (step 4 of the segmentation)using OTB/Monteverdi > versions 5.6.1. > However, I am not being able to do it. > > My questions are: > > 1. Which are the steps that I should take to do a classification based on > segmentation? > > 2. Which OTB-Application should I use to select the segments for my > classes? > > Thank you, in advance, for your help. > > Sincerely, > Patricia > -- > -- > Check the OTB FAQ at > http://www.orfeo-toolbox.org/FAQ.html > > You received this message because you are subscribed to the Google > Groups "otb-users" group. > To post to this group, send email to otb-...@googlegroups.com > <javascript:> > To unsubscribe from this group, send email to > otb-users+...@googlegroups.com <javascript:> > For more options, visit this group at > http://groups.google.com/group/otb-users?hl=en > --- > You received this message because you are subscribed to the Google Groups > "otb-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to otb-users+...@googlegroups.com <javascript:>. > For more options, visit https://groups.google.com/d/optout. > > > -- > <http://www.c-s.fr> *Guillaume PASERO* > Responsable technique > *Business Unit E-SPACE & Geo Information - Département Image & > Applications* > > *CS Systèmes d'Information* > Parc de la Grande Plaine - 5, Rue Brindejonc des Moulinais - BP 15872 > 31506 Toulouse Cedex 05 - FRANCE > +33 561 17 64 21 - guillaum...@c-s.fr <javascript:> > -- -- Check the OTB FAQ at http://www.orfeo-toolbox.org/FAQ.html You received this message because you are subscribed to the Google Groups "otb-users" group. To post to this group, send email to otb-users@googlegroups.com To unsubscribe from this group, send email to otb-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/otb-users?hl=en --- You received this message because you are subscribed to the Google Groups "otb-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to otb-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
