Portfolio: UAV-based Diagnostics of Structures
- UAV and Cameras
- Reference #1: Leaning Tower Bad Frankenhausen
- Reference #2: Retaining wall
- Reference #3: Anna Ebert Bridge
- Reference #4: Indoor flight and 3D model of a sculpture
The following videos have been produced as part of projects carried out together with Ascending Technologies (AscTec). They provide a good overview of modern structural inspection using UAV and possibilities of data processing and presentation.
Leaning Tower Bad Frankenhausen:
Cathedral of Halberstadt:
Bridges and wind turbines:
Cathedral of Magdeburg:
The following documents provide an overview of recent research-focussed work using UAV.
- GMTIB UAV brochure (download)
- Final report Zukunftbau project “Unbemannte Fluggeräte zur Zustandsermittlung von Bauwerken” (download)
- Morgenthal, G., Hallermann, N., Quality Assesment of Unmanned Aerial Vehicle (UAV) Based Visual Inspection of Structures Advances in Strucutural Engineering, Volume 17, 3 (2014), pp. 69-80 (download)
The data acquired using UAV at the Leaning Tower of Bad Frankenhausen has been used to create a high-resolution 3D model of the structure. This was then employed for visualisation purposes as well as for determining geometric properties to a high accuracy. The process of model generation is shown in the video below.
3D Model Viewer
Click the preview image below for an interactive version of the 3D model. Note that the resolution has been reduced drastically (to approx. 1%) to allow web viewing. Please wait for the model to load, view using mouse buttons/wheel to rotate/zoom. Please consider switching to fullscreen mode.
The UAV imagery of Bad Frankenhausen generated during investigations of the Leaning Tower have been used to create a 360 degree panorama of the site which can be viewed below (click-drag mouse inside the frame).
Although lighting conditions were extremely challenging, a test sculpture could be captured by photos which were then used to create a high-resolution 3D model. Click the preview image below for an interactive version of the 3D model. Note that the resolution has been reduced drastically (to approx. 1%) to allow web viewing. Please wait for the model to load, view using mouse buttons/wheel to rotate/zoom and please consider switching to fullscreen mode.