Free Photogrammetric Data Acquisition Questions and Answers

Question 1

What is the main purpose of photogrammetric data acquisition?

Accepted Answer

Mapping and measurement

Answer

Artistic photography

Answer

Data encryption

Answer

Video editing

Question 2

Which type of camera is commonly used in aerial photogrammetry?

Accepted Answer

Metric camera

Answer

Handheld DSLR

Answer

Phone camera

Answer

Film projector

Question 3

What is the term for the area captured in a single aerial photograph?

Accepted Answer

Ground coverage

Answer

Viewport

Answer

Pixel zone

Answer

Frame buffer

Question 4

Which factor most influences the scale of an aerial photograph?

Accepted Answer

Flight altitude

Answer

Camera weight

Answer

Film type

Answer

Image compression

Question 5

What is the overlap percentage typically required between consecutive aerial photos?

Accepted Answer

60%

Answer

20%

Answer

40%

Answer

80%

Question 6

Which type of survey control point is required for accurate photogrammetric data acquisition?

Accepted Answer

Ground Control Point (GCP)

Answer

Survey marker

Answer

Pixel grid point

Answer

Film mark

Question 7

Which atmospheric condition negatively impacts aerial photogrammetry quality?

Accepted Answer

Heavy cloud cover

Answer

Clear skies

Answer

Low humidity

Answer

No wind

Question 8

What is the role of a flight plan in aerial photogrammetry?

Accepted Answer

To define image coverage paths and overlaps

Answer

To document ground measurements

Answer

To adjust image contrast

Answer

To monitor film development

Question 9

What is the significance of sidelap in aerial data acquisition?

Accepted Answer

Ensures overlap between flight lines

Answer

Prevents file corruption

Answer

Reduces camera wear

Answer

Increases ground station speed