
Mapping in Photogrammetry
Quiz
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Other
•
4th Grade
•
Medium
AZIZ RAHMAN
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of aerial mapping techniques in photogrammetry?
To predict weather patterns in the atmosphere
To study marine life in the ocean depths
To analyze seismic activity in the Earth's crust
To create accurate and detailed maps or models of the Earth's surface.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the process of generating an orthophoto in photogrammetry.
Generating a DSM, then converting it to a 3D model
Skipping the distortion correction step
The process involves collecting aerial images, creating a DSM, correcting distortions, and orthorectifying the images.
Using satellite images instead of aerial images
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are digital elevation models created in photogrammetry?
Directly measuring elevation on the ground
Using satellite images to create 2D maps
Converting physical models into digital format
Processing overlapping aerial images to generate 3D point clouds
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is camera calibration important in photogrammetry?
Camera calibration corrects distortions in images and provides parameters for accurate measurements and reconstructions.
Camera calibration is only relevant for video recording in photogrammetry
Camera calibration causes image distortions in photogrammetry
Camera calibration is unnecessary in photogrammetry
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of feature extraction from images in photogrammetry?
Feature extraction causes distortion in images
Feature extraction only works for 2D images
Feature extraction is irrelevant in photogrammetry
Feature extraction helps in identifying key points or landmarks in images that are essential for creating accurate 3D models in photogrammetry.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name one common aerial mapping technique used in photogrammetry.
Aerial mapping
Aerial triangulation
Satellite imaging
Ground surveying
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the key steps involved in the generation of an orthophoto?
Satellite imagery acquisition, Image preprocessing, Digital elevation model (DEM) generation, Orthorectification, Mosaicking of orthorectified images
Ground-based imagery acquisition, Camera calibration, Image preprocessing, Digital terrain model (DTM) generation, Orthorectification, Mosaicking of orthorectified images
Aerial imagery acquisition, Camera calibration, Image preprocessing, Digital terrain model (DTM) generation, Orthorectification, Mosaicking of orthorectified images
Aerial imagery acquisition, Camera calibration, Image enhancement, Digital terrain model (DTM) generation, Orthorectification, Mosaicking of orthorectified images
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