Chapter 3 — Question 6
List and describe four Characteristics of image data.
Answer
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Image size
: The number of rows and columns in a scene.
•
Number of bands
: The number of wavelengths bands stored.
•
Quantisation
: The data format used to store the energy measurements.The
discrete values used are known as Digital Numbers(DN).
•
Ground pixel size
: The area coverage of a pixel on the ground.