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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is contrast stretching?
💡 Hint: Think about how contrast adjusts what we see.
Question 2
Easy
Name one method of contrast stretching.
💡 Hint: Consider how the adjustments might vary.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does contrast stretching primarily improve in satellite images?
- Color saturation
- Feature visibility
- Image resolution
💡 Hint: Think about what the technique aims to achieve.
Question 2
True or False: Linear contrast stretching applies uniform changes across all pixel values.
- True
- False
💡 Hint: Consider how the process operates stepwise.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a satellite image with pixel values ranging from 40 to 180, apply linear contrast stretching to find the new values that range from 0 to 255.
💡 Hint: Remember to find proportional adjustments for each pixel.
Question 2
Discuss how using histogram equalization on an image with an uneven pixel distribution might improve the visual output. Intend to include some benefits or challenges.
💡 Hint: Contemplate various levels of brightness and how they interact.
Challenge and get performance evaluation