How to Extract Vegetation Index Values after Supervised Classifying?

IsaacBarnhart — Sun, 14 Aug 2022 17:39:17 GMT

Hello everyone!

I am working with multispectral data collected with a MicaSense RedEdge 3, providing me 5 bands to work with (Red, Green, Blue, Rededge, NIR). I am able to generate vegetation indexes (VI) such as the NDRE and the NDVI. Because I am working on an experiment with mapping sorghum vegetation, I created classes (with supervised classification polygons) to define elements such as soil reflectance, dead plants, shadows, grain heads, and plant leaves. created each class to a white color (except the 'plant leaves' classification, which was labeled green for visibility). Note: All multispectral indices were created first, and then the classified image was generated.

You can see in the picture that the only elements I wish to work with are the green sections.

My question is this: How do I extract the VI data for only the 'plant leaves' class?

Any help would be much appreciated. Thanks all!

topic How to Extract Vegetation Index Values after Supervised Classifying? in ArcGIS Image Server Questions

How to Extract Vegetation Index Values after Supervised Classifying?