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2 votes
1 answer
162 views

Problem with wrong DEM output after georeferencing

My goal is to georeference a DEM tiff file that I have with a reference orthophoto. Steps to reproduce Open orthophoto (EPSG2056) in QGIS Open the DEM (EPSG2056) in the Georeferencer Add GCP (I am ...
tukanium's user avatar
  • 211
0 votes
1 answer
61 views

Does LiDAR tend to georeference better than photogrammetry?

I noticed whenever I get a photogrammetry dataset, the products (like DTM, DSM) are always misaligned from satellite imagery of the same area by a few metres. Today I received a LiDAR dataset and they ...
hmnoidk's user avatar
  • 717
4 votes
1 answer
4k views

Georeferencing single drone image from metadata (gimbal angles, flight angles)

My question is in regards to the answer given to Georeference single drone image from EXIF data. The answer describes how to georeference a single drone (DJI) image using EXIF data but, in the ...
John Jewell's user avatar
16 votes
1 answer
7k views

Georeference single drone image from EXIF data

Looking for an algorithm (python, formulas, whatever...) to georeference a single drone image based on its EXIF data. Specifically, I need to translate drone GPS latitude and longitude (after ...
Houska's user avatar
  • 8,406
0 votes
0 answers
435 views

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, ...
Vladimir Sviridov's user avatar
1 vote
0 answers
176 views

Automatically Recognised Targets for Combined Laser Scanning and Photogrammetry

I'm currently performing an engineering honours thesis on terrestrial photogrammetry and laser scanning in Archaeology. Both methods will be used to document a single location first and analysis will ...
William Andrews's user avatar
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 ...
joe_dz's user avatar
  • 111
12 votes
5 answers
4k views

Creating photogrametric point cloud of an object from distributed photographs, here: Making accurate 3D model of building using UAV imagery?

Is there a way of creating a photogrametric point cloud from a set of densly distributed photographs of an object? Application: I am trying to investigate if creating a 3D model (point cloud) of the ...
Fiachra's user avatar
  • 183
6 votes
1 answer
3k views

Direct Georeferencing with X,Y,Z and Omega, Phi, Kappa

I have images taken from plane, it's longitude, latitude, elevation, omega, phi, kappa. I suppose that earth is flat (I don't need any DEM on that stage) and I want to calculate how image is nailed to ...
Serhiy Zhdynyak's user avatar