Regions choice In the first way to

Regions choice In the first way to choose which area can we use to make a supervised classification depend on which data we need from this satellite image, usually taking a sample from ground to analyze and determine the position of these samples with GPS after determining these points on satellite image in such a way will give more accurate to classify. In our example we before which kind that we need, (Figure 1 & 2):
1- Deep Water 3- Residential Area 5- Sand 2- Urban Area 4- Green Grass 6- Shallow Water