Exercises

  1. What is the basic requirement to use an image in GIS?
  2. What is the purpose of spatial filtering?
  3. What is the potential use of the Normalized Difference in Vegetation Index (NDVI)?
  4. What is the purpose and application of Principal Component Analyses?
  5. i.) What is the standard technique of unsupervised clustering?
    ii.) Under what scenario, will you apply unsupervised classification?
  6. How are the training samples selected in supervised classification?