Drone2Map for ArcGIS ArcGIS

14 Pages·2016·3.36 MB·English

Διημερίδα Π.Σ.Δ.Α.Τ.Μ.
Νοέμβριος 2016 | Αθήνα
Drone2Map for ArcGIS®
TM
Ηλίας Λαζάρου
Marathon Data Systems

Drone2Map for ArcGIS
ArcGIS
Turn Drones into Enterprise Productivity Tools
Drone2Map for ArcGIS
2D Imagery Products
3D Imagery Products
Smart Inspection Photos
Drones become more than just image capture devices
Drone2Map for ArcGIS
• Images need geolocation
information
• EXIF data or external
telemetry file
Image Name Latitude (DD) Longitude (DD) Altitude (m)
IMG001.jpg -6.0045 12.3995 125
Image Name Longitude (DD) Latitude (DD) Altitude (m)
IMG001.jpg 12.3995 -6.0045 125
Images are geolocated on the map using GPS data
Drone2Map for ArcGIS
• Geolocated images
are analyzed
individually to detect
keypoints
• Keypoints comprise
unique pixel color
combinations
• Depending on image
resolution, tens of
thousands can be
found
Keypoints generation identifies unique points in each image
Drone2Map for ArcGIS
• Keypoints are
matched between
images
• Successful matches
are called tie points
• Thousands of
automatic tie points
are generated
Tie points tell Drone2Map how to stitch the imagery together
Drone2Map for ArcGIS
• Image overlap is
important
• Minimum Side
Overlap
recommended image
overlap of 80% forward
and 70% side
Forward
Overlap
• Suitable for
orthomosaics and
digital surface models
Creating an Orthomosaic and Digital Surface Model
Drone2Map for ArcGIS
• Complete orbit around
object, slightly
Orbit
overlapping end of Two
each orbit
• Minimize the amount of
Orbit
image that comprises One
sky or regions beyond
the extent of the project
area
Creating 3D Point Clouds, Meshes, and Inspections
Drone2Map for ArcGIS
1. Initial Processing – Generate keypoints, matches, camera parameters, project data,
processing report
2. Dense – Generates a densified point cloud, Textured Meshes, and 3D PDFs
3. Ortho – Generates an Orthomosaic, Digital Surface Model, Reflectance Map, and NDVI
Process without being an expert