Script for automating raster image comparison

Discussion created by trjhoban on Jan 13, 2012
Latest reply on Jan 26, 2012 by trjhoban
I want to compare two raster images, to see the loss of a salt marsh within a certain area. Since overlaying the two images and then digitizing them using historical aerial images and current aerial images would take forever. I was wondering if there was a script or faster method for doing this.