7.9.2. Image Classification for Mapping

Try these first

1. 1.

   What is image classification?

   Hint

   Think about how we categorize images.

2. 2.

   Name the two main types of image classification.

   Hint

   Recall the types mentioned in class.

3. 3.

   What is the main purpose of image classification in mapping?

   • To beautify images
   • To categorize image data for analysis
   • To compress images

   Hint

   Think about why we need to interpret satellite imagery.

4. 4.

   True or False: Supervised classification requires training samples from an analyst.

   • True
   • False

   Hint

   Recall what differentiates the types of classification.

5. 5.

   Design a study where unsupervised classification could be beneficial in a remote sensing project. Include specifics on data collection and potential outcomes.

   Hint

   Consider the types of data satellites can collect.

6. 6.

   Evaluate a scenario where choosing a poor training sample for supervised classification could lead to misleading results. What might be the long-term implications?

   Hint

   Think about how relevance and recency of data affect analysis.