Can anybody say where is IMAGE RATIO TOOL in ERDAS 9.2 or in ENVI software to perform...

Buddy

New member
...CHANGE DETECTION ANALYSI? I'm doing Change detection analysis with 2 date images, as my mini project work. The topic is COMPARISON OF THREE METHODS OF CHANGE DETECTION. I have selected image difference method, post classification method and image ratio method i'm not getting tool for the Image ratio method. So plz someone help me to complete my project work. Also give suggestions.
 
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