Practice Structure from Motion (SfM) in Photogrammetry - 8.13 | 8. Photogrammetry | Geo Informatics
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8.13 - Structure from Motion (SfM) in Photogrammetry

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is Structure from Motion (SfM)?

💡 Hint: Think about how pictures can show depth.

Question 2

Easy

What do we mean by image acquisition in SfM?

💡 Hint: Consider what type of devices are used to take these images.

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 is Structure from Motion (SfM)?

  • A 2D modeling technique
  • A method to create 3D models from 2D images
  • A type of camera used in photography

💡 Hint: Consider the relationship between the dimensions in this technique.

Question 2

True or False: SfM requires a calibrated camera to function effectively.

  • True
  • False

💡 Hint: Think about what makes this method user-friendly.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You are given a dataset of images from a disaster site captured by a drone. Describe the steps you would take using SfM to create a 3D model of the area and explain how you would ensure accuracy in your model.

💡 Hint: Think about which step impacts accuracy the most.

Question 2

Consider a scenario where SfM yields a poor 3D reconstruction due to low-quality images. Propose a solution to improve the outcomes and explain why your approach would be effective.

💡 Hint: What factors affect image quality, and how can they be improved?

Challenge and get performance evaluation