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Extract Poly from classified image

Question asked by atenah on Jul 15, 2015
Latest reply on Jul 24, 2015 by RossPaulMartin

Hi there,


I have an aerial imagery from a crop field.

I classified the image in order to extract crop's plots. (Discriminate plots from soil and shadow). I attach a snapshot of the image to give you an idea of what I mean by plots.

The Iso Cluster classification works really well. Yet I need to have each plot individually, I mean I need to extract these plots as separate polygons. The classification only gives me 3 classes (crop plots, shadow, and soil). Is there anyway that I could extract individual plots from the image?


Thank you so much