Enrol to start learning
Reading is open to everyone. Enrolling is free, and it is what unlocks the audio lessons, practice tests and progress tracking.
2.6.2. Image Preprocessing
This section
Practice test
12 questions on this section. Wrong answers show you what to read again.
Sign up to take itWhole chapter
Revision test
Mixed questions from across the chapter. Your answers get marked.
Sign up to take itQuick
Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is the purpose of radiometric correction?
Hint
Think about factors that can distort image quality.
- 2.
Give one example of geometric correction.
Hint
Consider how we ensure spatial accuracy.
- 3.
What is the primary purpose of radiometric correction?
- Improve image sharpness
- Eliminate sensor noise
- Align images to coordinates
Hint
Think about what distorts images the most.
- 4.
Geometric correction ensures images are:
- True
- False
Hint
Consider whether alignment is a goal.
- 5.
Evaluate how failure to perform radiometric correction can impact environmental analyses in remote sensing.
Hint
Consider the implications of incorrect data on ecosystems.
- 6.
Analyze a scenario where geometric correction was bypassed in urban planning. What outcomes might be affected?
Hint
Think about the repercussions of spatial inaccuracies in planning.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
2 more questions available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting