3.8.2. Compression Techniques

Try these first

1. 1.

   Define lossless compression.

   Hint

   Think about data preservation.

2. 2.

   Give an example of a compression technique.

   Hint

   Remember that it preserves image quality.

3. 3.

   What is the main advantage of lossless compression?

   • Reduced file size
   • No data loss
   • Faster processing

   Hint

   Think about data integrity.

4. 4.

   JPEG 2000 is an example of what type of compression?

   • True
   • False

   Hint

   Remember the context in which JPEGs are used.

5. 5.

   Given a dataset of satellite images for agriculture monitoring, decide whether to use lossless or lossy compression and justify your decision.

   Hint

   Consider the importance of detail in agricultural data.

6. 6.

   Analyze the trade-offs of lossy compression in a scenario of rapid urban growth mapping.

   Hint

   Think about the implications of using partial data.