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Does the ArcPro Image analysis work on all bands of an image?

Question asked by pvitt on Sep 17, 2019
Latest reply on Sep 18, 2019 by CBenkelman-esristaff

Hi - I'm doing an image analysis in ArcPro for vegetation that looks to identify 3 categories only:  1) trees/shrubs, 2) turf and 3) dead or dying vegetation .  I have a three band image with IR and a 4 band image with IR.  Will the 4 band image with IR provide a better result than the three band image with IR?