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Aerial or satellite images are like maps. It can give us many informations like crop growth, where a fire is burning, or when a storm is coming. To unlock the rich information through GIS in an aerial or satellite image, following features should be used. 1. Scale 2. Patterns, shapes, and textures 3. Define the colors (including shadows) 4. Find north By considering aforementioned features precisely, we can get maximum information from any imagery using GIS.