Database Reference
In-Depth Information
Reconstructing
Unmanned
Aerial
Vehicle
(UAV)
image
footprints
with
PostGIS 3D
The rapid development of
Unmanned Aerial Systems
(
UAS
, also known as
Un-
manned Aerial Vehicles
,or
UAVs
)asdatacollectorsisrevolutionizingremotedata
collectioninallsectors.Barrierstowideradoptionoutsidemilitarysectorsincludereg-
ulatory frameworks preventing their flight in some nations, for example, the United
States,andthelackofopen-sourceimplementationsofpostprocessingsoftware.In
thenextfourrecipes,we'llattemptpreliminarysolutionstothelatterofthesetwobar-
riers.
For this recipe, we will be using the metadata from a UAV flight in Seneca County,
Ohio, to map the coverage of the flight. More information about this flight, which
was piloted by the Ohio Department of Transportation, can be found at
ht-
ThebasicideaforthisrecipeistoestimatethefieldofviewoftheUAVcamera,gen-
erate a 3D pyramid that represents that field of view, and use the flight ephemeris
(bearing, pitch, and roll) to estimate ground coverage.
Getting ready
Themetadataorephemeriswehavefortheflightincludesthebearing,pitch,androll
of the UAS, in addition to its elevation and location.
