Examples:
1st method: inheritance
Using the results that were allowed on the World
MNDWI index (Mr. Xu) , NDVI …
2nd method: Remote sensing
+ Preprocess: limit the study area, filter image, …
+ Process images: Using index to determine shrimp area
+ Assess the classification result by Field survey.
3rd Method: GIS
Overlaying to determine shrimp area and create map