WxGUI Supervised Classification Tool

For development issues see Trac page.

wxIClass is a wxGUI extension.

Generates spectral signatures for an image by allowing the user to outline regions of interest. The resulting signature file can be used as input for i.maxlik or as a seed signature file for i.cluster. (cited from i.class manual)

wxIClass is available in GRASS 7 from the menu

File -> Imagery -> Classify image -> Interactive input for supervised classification

wxIClass currently allows to:

• create training areas (using vector digitizer)
• show histograms for each band and class (category)
• show coincidence plots for each band
• show raster cells that match training areas (within the number of standard deviations specified)
• specify color of class
• write signature file
• import/export vector map with training areas

Video tutorial

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