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Need Help..LandCover change detection using Envi

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Hi every one,

I am new with remote sensing and I want to extract landcover change during a time period.I have downloaded landsat 7 images and georefrenced them using a topography map.Now I want to step forward..But I dont know what to do?I have to classify each image now?or sth else?

 

What about using NDVI in case of show changes?Can you help me?and give me some good hints or resources in case of landcover change detection?

Thanks a lot

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You Can watch a video entitled "Advanced Change Detection" using Erdas Imagine software. This video is based on a webinar and you can download it from Intergraph Geomedia Website. There are several videos on the Youtube also related to your topic.

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