Aerial Photography

Question 1

Define aerial photographs

Answer 1

Images captured from an elevated position (aircraft, drone, satellites, balloons etc.)

Question 2

Key characteristics of aerial photographs

Answer 2

Perspective…
Scale…
Overlap…
Resolution…

Question 3

Categories of aerial photos

Answer 3

Camera angle
Scale
Platform
Number of photos

Question 4

Types of aerial photos based on camera angle and there uses

Answer 4

Vertical-topographic mapping
Urban planning
Land use analysis
Oblique-landscape analysis
Architectural study
Disaster management
Convergent-3D model creation in photogrametry
Terrain modelling
Archeological site documentation

Question 5

Types of aerial photos based on scale

Answer 5

Large scale — >1:10,000
-detailed urban planning
Medium scale— 1:10,000-1:50,000
-regional planning
Small scale— <1:50,000
-large area survey

Question 6

Types of aerial photos based on platform

Answer 6

Aerial aircraft – topographic mapping
Drone based – precision agric
Satellite based – global mapping

Question 7

Types of photos based on number

Answer 7

Single photograph – basemaps for further analysis
Stereopairs – 3D terrain modelling