FIGURE 2 <https://lh3.googleusercontent.com/-OnyoedRlmBk/WIju-vTYA6I/AAAAAAAARR8/qlGqyuKnq4UimiKDBVQKZfsGWn0NCKw9ACLcB/s1600/ima8.gif>
Le mercredi 25 janvier 2017 13:28:58 UTC-5, Giuseppe Amatulli a écrit : > > > Hi > > I'm trying to segment this image (figure 1) using the watershed > segmentation algorithm but I do not get what I need. > > > The input image has been created by a cost function ( > https://grass.osgeo.org/grass72/manuals/r.cost.html ) > > starting from the dark pixel in Figure 1. The delineation of the different > watershed should be located on the higher value of the cost around each > dark pixel. > > In other words I would like to obtain something similar to Figure 2. > > > I tried to change the -filter.watershed.level and > -filter.watershed.threshold, > the polygons size/shape change but I do not get the delineation of each > watershed. > > Do you have any idea? > > wget https://dl.dropboxusercontent.com/u/29337496/cost_neg.tif > otbcli_Segmentation -in cost_neg.tif -mode vector -mode.vector.out > SegmentationVector.shp -filter watershed -filter.watershed.level 0.5 > > > Thanks > > Giuseppe > > > Figure 1 > > > <https://lh3.googleusercontent.com/-aFycVrnI9fg/WIjqz_N465I/AAAAAAAARRs/DBQ8e7euW7sYKog0oVsVfHlIUMMWd7xowCLcB/s1600/segmentation.png> > > Figure 2 > -- -- 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 [email protected] To unsubscribe from this group, send email to [email protected] 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
