Oliver Kahmen, M.Sc.
![](assets/images/9/Oliver%20Kahmen-891843f3.png)
Digital visual testing on welds under water by high-resolution optical 3D surface reconstruction
Collaborative Spatial Artificial Intelligence in Realtime
mail:![](data:image/png;base64,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)
tel: +49 (0) 441 - 7708 - 3349
room: G 207
Collaborative Spatial Artificial Intelligence in Realtime
mail:
tel: +49 (0) 441 - 7708 - 3349
room: G 207
Books and Papers
Kahmen, O.; Ekkel, T.; Hastedt, H.; Luhmann, T.; Reznicek, J. (2015):
Influence of the Quantity, Size and Arrangement of the Scale Bars in Large Volume Photogrammetry. Proceedings EPMC European Portable Metrology Conference 2015, Manchester
Presentations
Kahmen, O.
:
Hochauflösende 3D-Rekonstruktion von Schweißnähten mittels Makrophotogrammetrie.
6. Fachseminar der DGZfP, Optische Prüf- und Messverfahren, Karlsruhe,
März 2019
Kahmen, O.
:
Optimierung flächenbasierter Bildzuordnungsverfahren bei spekularen Reflexionen.
18. Oldenburger 3D-Tage,
Februar 2019
Kahmen, O.
:
Entwicklung einer großen Invardraht-Maßverkörperung zur Anwendung in der Industriephotogrammetrie.
Dreiländertagung SGPF/DGPF/OVG, Bern, Schweiz,
Juni 2016
Kahmen, O.
:
Influence of Quantity, Size and Arrangement of Scale Bars in Large Volume Photogrammetry.
EPMC European Portable Metrology Conference 2015, Manchester,
Oktober 2015
Projects
funded by: Federal Ministry for Economic Affairs and Climate Action
![](assets/images/c/Logo_web-5fb1db2b.png)
The goal of the project is to supplement the classic visual inspection (VT) of welded joints under water with an optical 3D measurement system. Based on high-resolution 2D (image) data, metric 3D (surface) data will be generat... more
funded by: Bundesministerium für Bildung und Forschung
![](assets/images/f/CoSAIR_quadratisch-a8df095b.png)
The Project – „CoSAIR – Collaborative Spatial Artificial Intelligence in Realtime“ is funded by the Federal Ministry of Education and Research within the program „Research at Universities of Applied Sciences“ in order to create, consolida... more
people
Prof. Dr. Sascha Koch (head) Oliver Kahmen, M.Sc. (04.2022-07.2022) Tobias Neiß-Theuerkauff, M.Sc. Prof. Dr.-Ing. habil. Dr. h.c. Thomas Luhmann Mareike Fincken, M.Sc. (09.2023-)
Prof. Dr. Sascha Koch (head) Oliver Kahmen, M.Sc. (04.2022-07.2022) Tobias Neiß-Theuerkauff, M.Sc. Prof. Dr.-Ing. habil. Dr. h.c. Thomas Luhmann Mareike Fincken, M.Sc. (09.2023-)
funded by: European Fonds for Regional Development (EFRE)
![](assets/images/1/OrthoScanLogo-6f0b69ef.png)
The project objective is the investigation of imaging techniques and the development of special methods based on intraoperative and preoperative data. The field of application is primarily in orthopedics, however, in principle the problem can be tran... more
people
Prof. Dr.-Ing. habil. Dr. h.c. Thomas Luhmann (head) Niklas Conen, M.Sc. Oliver Kahmen, M.Sc.
Prof. Dr.-Ing. habil. Dr. h.c. Thomas Luhmann (head) Niklas Conen, M.Sc. Oliver Kahmen, M.Sc.
Bachelor & Master Theses
Bildbasierte Detektion von Rissen in Schweißverbindungen mit den Methoden des Deep Learnings (2022/10)
Untersuchung verschiedener Bildanalyseverfahren zur Orientierung von Bildsequenzen eines Dreikamerasystems (2020/2)
cooperation
Entwicklung eines Prozesses zur Detektion von Rissen auf Schweißnähten durch digitale Bildverarbeitung (2020/1)
Untersuchung von Orientierungs- und Matchingverfahren für die hochgenaue 3D-Oberflächenerfassung von Schweißnähten mit einem mobilen Kamerasystem (2018/9)