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2.7.2. Digital Image Processing
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Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
4 cards from this lesson. Good the night before a test.
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- 1.
What is image classification in digital imaging?
Hint
Think about grouping pixels.
- 2.
What does NDVI stand for?
Hint
Focus on vegetation and how it's assessed.
- 3.
What does image classification do?
- Identifies pixel categories
- Enhances image quality
- Measures temperatures
Hint
Think about how we label parts of the image.
- 4.
True or False: Unsupervised classification requires labeled training data.
- True
- False
Hint
What does 'unsupervised' imply?
- 5.
Given a series of satellite images, explain how you would use change detection to assess urban development.
Hint
Consider what you'd look for in the images.
- 6.
You have NDVI data showing a drop from 0.6 to 0.3 over a year for a specific area. What does this indicate about vegetation in that area?
Hint
Lower NDVI values signify stress in plant life.
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