ENVI Tutorial: Decision Tree Classification Table of Contents OVERVIEW OF THIS TUTORIAL.....................................................................................................................................2 INTRODUCTION TO DECISION TREES .............................................................................................................................2 Decision Tree Input...........................................................................................................................................2 DISPLAYING IMAGES FOR DECISION TREE CLASSIFICATION ..................................................................................................3 ENTERING DECISION TREE RULES..3 Pairing the Expression Variable with a File...........................................................................................................4 Entering Additional Rules ...................................................................................................................................4 EXECUTING THE DECISION TREE...5 VIEWING THE DTREE RESULTS..........................................................................................................................5 MODIFYING THE DECISION TREE ..................................................................................................................................5 Adding New Decisions ................................................. ...
Decision Tree Input...........................................................................................................................................2
Pairing the Expression Variable with a File...........................................................................................................4
Adding New Decisions .......................................................................................................................................6
Changing the Class Colors and Names.................................................................................................................6
Using Band Indices in Decision Expressions .........................................................................................................6
Pruning the Decision Tree..................................................................................................................................7