AEROLUTION GmbH Kaiserin-Augusta-Allee 101 10553 Berlin
UAVs for surveying tasks
Use of collected Information
• map and floor plan creation
• area detection • volume detection
• change analysis
Equipment
• UAV (drone) • Sensors – photocamera (RGB) – multispectralcamera
– thermalcamera • computer and software
Workflow (1 / 2) location
area size
result type
resolution
define basic parameters
define UAV type
define sensors
fly mission Copy photos from SD card to PC
process data, correct geodata e.g. on the basis of the ground station reference data
add geo data to photo files with PhotoTagger
precision
Workflow (2 / 2) processing of image data automatically
manually
analyze results areas and volumes
digital surface models
orthophotos
change analysis
Example: quarry surveying photo with UAV
orthophoto
raw picture of UAV
digital surface model
volume detection
varying recognition
spatial resolution of orthophotos orthophoto calculated to 1700 images, spatial resolution 1.5 cm x 1.5 cm
Ausschnitt
location precision Checking the position precision based on surveyed points (red crosses) precision in the example is better than 5 cm (depending on the altitude and spatial resolution the resolution is better)
examples of results volume model
Isolines and break lines
digital terrain model (DTM)
profile