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Geological Engineering · Q84

Remote Sensing and GIS in Geological Engineering

Engineering and GATE · Geological Engineering · question 84

Q84

What is 'orthorectification' in remote sensing imagery processing?

A.
Correcting atmospheric distortions
B.
Removing cloud cover
C.
Correcting geometric distortions due to terrain and sensor tilt
Answer
D.
Enhancing color contrast

Answer: Option C

Solution

Answer: Option C
Solution:
Orthorectification removes distortions caused by terrain relief and sensor angles.It produces accurate, planimetrically correct images useful for mapping.