Practice Perspective (central) Projection (4.8.4) - Photogrammetry Surveying

Practice: Perspective (Central) projection

Lesson 4.8.4Photogrammetry Surveying

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8 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the perspective center in aerial photography?
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Think of the horizon where all lines converge.
Question 2.
How does geometric distortion occur?
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Consider how tall objects might look in photos.
3Question 3.
What is central projection?
- A photography technique using multiple angles
- An abstraction of features in a photograph
- A projection where rays converge at a single point
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Think about how images form in photography.
4Question 4.
True or False: In perspective projection, scale is uniform across the image.
- True
- False
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Reflect on how distances can change based on the viewer's position.
Question 5.
Explain how elevation differences affect perspective projection in aerial photography. Provide examples of how this may distort the interpretation of the image.
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Think about how you would view varying heights from a distance.
Question 6.
You have an aerial photograph of a region with contrasting elevation levels. Propose a method for correcting the resulting distortions when creating a map from this photograph.
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Consider how technology can help in mapping uneven terrain.

4 more questions in this section. Enroll free to practise them all.