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Browsing by Subject "Laser scanning"

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Accuracy analysis of a low-cost platform for positioning and navigation

Hofmann, Sabine; Kuntzsch, C.; Schulze, Malte Jan; Eggert, D.; Sester, Monika (Göttingen : Copernicus GmbH, 2012)

This paper presents an accuracy analysis of a platform based on low-cost components for landmark-based navigation intended for research and teaching purposes. The proposed platform includes a LEGO MINDSTORMS NXT 2.0 kit, ...
Automated damage detection for port structures using machine learning algorithms in heightfields

Hake, Frederic; Lippmann, Paula; Alkhatib, Hamza; Oettel, Vincent; Neumann, Ingo (Berlin ; Heidelberg : Springer, 2023)

Marine infrastructures such as harbours, bridges, and locks are particularly exposed to salt water and are therefore subject to increasing deterioration. This makes regular inspection of the structures necessary. The ...
Automated geometry measurement and deep rolling of butt welds

Heide, Klaas Maximilian; Heikebrügge, Steffen; Dänekas, Christian; Breidenstein, Bernd; Schaumann, Peter (Heidelberg : Springer, 2022)

During the joining of two metal sheets by welding, a process-specific geometry of the weld is created. The local geometry of the created weld has a decisive influence on its fatigue strength. This is due to stress concentration ...
Enhancing the resolution of urban digital terrain models using mobile mapping systems

Feng, Yu; Brenner, Claus; Sester, Monika (Göttingen : Copernicus GmbH, 2018)

Digital Terrain Models (DTMs) are essential surveying products for terrain based analyses, especially for overland flow modelling. Nowadays, many high resolution DTM products are generated by Airborne Laser Scanning (ALS). ...
High accurate pointwise (geo-)referencing of a k-tls based multi-sensor-system

Hartmann, J.; Trusheim, P.; Alkhatib, H.; Paffenholz, Jens-André; Diener, D.; Neumann, Ingo (Göttingen : Copernicus GmbH, 2018)

In recent years, the requirements in the industrial production, e.g., ships or planes, have been increased. In addition to high accuracy requirements with a standard deviation of 1 mm, an efficient 3D object capturing is ...
High-precision 3D object capturing with static and kinematic terrestrial laser scanning in industrial applications-approaches of quality assessment

Stenz, Ulrich; Hartmann, Jens; Paffenholz, Jens-André; Neumann, Ingo (Basel : MDPI AG, 2020)

Abstract Terrestrial laser scanning is used in many disciplines of engineering. Examples include mobile mapping, architecture surveying, archaeology, as well as monitoring and surveillance measurements. For most of the ...
A mobile multi-sensor platform for building reconstruction integrating terrestrial and autonomous UAV-based close range data acquisition

Cefalu, A.; Haala, N.; Schmohl, S.; Neumann, I.; Genz, T. (Göttingen : Copernicus GmbH, 2017)

Photogrammetric data capture of complex 3D objects using UAV imagery has become commonplace. Software tools based on algorithms like Structure-from-Motion and multi-view stereo image matching enable the fully automatic ...
Network snakes for adapting GIS roads to height data of different data sources - performance analysis using als data and stereo images

Göpfert, Jens; Rottensteiner, Franz; Heipke, Christian (Göttingen : Copernicus GmbH, 2012)

In order to tackle the problem of consistently integrating 2D vector data and a DTM, we presented an approach for the adaptation of 2D GIS road objects to airborne laser scanning (ALS) data using active contours (snakes) ...
Optimisation of the calibration process of a k-tls based multi-sensor-system by genetic algorithms

Hartmann, J.; Von Gösseln, I.; Schild, N.; Dorndorf, A.; Paffenholz, J.-A.; Neumann, I. (Göttingen : Copernicus GmbH, 2019)

In recent years, the requirements in the industrial production of elongated objects, e.g., aircraft, have been increased. An essential aspect of the production process is the 3D object detection as well as the qualitative ...
Registration of terrestrial laser scanning data using planar patches and image data

Dold, Christoph; Brenner, Claus ([Wechselnde Verlagsorte] : ISPRS, 2006)

The fully automatic registration of terrestrial scan data is still a major topic for many research groups. Existent methods used in commercial software often use artificial markers which are placed in the scene and measured ...
Skyline matching based camera orientation from images and mobile mapping point clouds

Hofmann, Sabine; Eggert, Daniel; Brenner, Claus (Göttingen : Copernicus GmbH, 2014)

Mobile Mapping is widely used for collecting large amounts of geo-referenced data. An important role plays sensor fusion, in order to evaluate multiple sensors such as laser scanner and cameras jointly. This requires to ...

Now showing items 1-11 of 11

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Browsing by Subject "Laser scanning"

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