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Geological Engineering · Q23

Remote Sensing and GIS in Geological Engineering

Engineering and GATE · Geological Engineering · question 23

Q23

What does supervised classification in remote sensing involve?

A.
Classifying pixels based on random assignment
B.
Using known training areas to classify unknown pixels
Answer
C.
Using only infrared bands for classification
D.
Classifying images manually without software

Answer: Option B

Solution

Answer: Option B
Solution:
Supervised classification uses training data from known land cover types to classify other pixels automatically.This improves accuracy by leveraging prior knowledge.