8. Photogrammetry
Photogrammetry integrates photography, geometry, and computer science to derive accurate spatial data essential for civil engineering applications. It encompasses techniques like aerial and terrestrial photogrammetry, stereoscopy, and utilizes modern tools such as UAVs for high-resolution data capture. Understanding its principles and methods is crucial in applications ranging from urban planning to disaster management.
Enroll to start learning
You've not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- Photogrammetry is essential for accurate spatial data in various civil engineering fields.
- The classification of photogrammetry includes aerial and terrestrial methods, which can be further divided based on processing techniques.
- Understanding errors and accuracy in photogrammetric outputs is critical for reliable results.
Key Concepts
- -- Photogrammetry
- The science of obtaining reliable information about physical objects and the environment through photographic images.
- -- Stereoscopy
- A technique to create a three-dimensional perception of objects using two overlapping images taken from different angles.
- -- UAVBased Photogrammetry
- The use of Unmanned Aerial Vehicles (drones) for capturing high-resolution images for photogrammetry.
- -- Ground Control Points (GCPs)
- Key reference points in the physical world used to ensure the accuracy of mapping and photogrammetric outputs.
Additional Learning Materials
Supplementary resources to enhance your learning experience.