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Last Post 12 Dec 2015 08:49 AM by  anon
change detection
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anon



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12 Dec 2015 08:49 AM
    hi, I'm working on NDVI changes over time. i have calculated the NDVI for 2 years, but I need guidance on how to calculate areas of change based on threshold limits. so i guess my question is how do i calculate the threshold between these 2 images?

    Zachary Norman



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    15 Dec 2015 05:51 PM
    Hi, Could you clarify what you mean by threshold between your two images? For some more information about using ENVI to perform change detection, you can see the following page which has a lot of information about change detection: http://www.exelisvis.com/...tectionAnalysis.html -Zach (VIS)
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