All Questions
Tagged with photogrammetry orthophoto
6 questions
1
vote
1
answer
71
views
Determine Lat/Long of "off-center" point of a top-down image
I am a computer science student with a top down photo taken by a drone. This drone has relatively low to zero gimble yaw/pitch (0-10deg), isn't very high up (~15m) in flat lands pretty close to sea ...
2
votes
1
answer
193
views
Measure an angle on an orthophoto or on a dense cloud
I'm currently working on QGIS 3..10.1, and I would to analyse my roof with UAV analysis. I have already made a dense cloud, an orthophoto and a DEM on agisoft metashape but now I would make few ...
- 39
1
vote
2
answers
1k
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How can I have the ground sampling distance from the images?
I have some aerial images and I need to know how if I can have the ground sampling distance value from the image without calculate it from the plane fly's parameters.
0
votes
0
answers
435
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Automatically georeference non-intersecting UAS photos based on contained EXIF metadata
I need to know how to automatically create georeferenced rasters from multiple non-intersecting photos taken by UAS DJI Phantom 4 Pro.
All EXIF metadata is present in every photo - coordinates, ...
1
vote
0
answers
451
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DSM results from WebODM are not correct [closed]
I am new to WebODM and I am trying to generate DSM and Orthomosaic images using default settings in WebODM.
The Orthomosaic image is correct by providing GCP but the DSM file is having inaccurate ...
6
votes
1
answer
2k
views
OpenDroneMap: How to produce correct georeference ortophoto from UAV?
I am trying to produce proper georeferenced ortophotomap from UAV mission using OpenDroneMap (ODM), like I have done the same thing using APS Suite from Menci
In both cases I have the same images with ...
- 111