Characterization of landslide ground surface kinematics from terrestrial laser scanning and strain field computation

Geomorphology ◽  
2008 ◽  
Vol 97 (3-4) ◽  
pp. 424-437 ◽  
Author(s):  
Giordano Teza ◽  
Arianna Pesci ◽  
Rinaldo Genevois ◽  
Antonio Galgaro
Keyword(s):  
Strain Field ◽  
Laser Scanning ◽  
Ground Surface ◽  
Terrestrial Laser Scanning ◽  
Field Computation ◽  
Surface Kinematics

scholarly journals Deformation Monitoring of Earth Fissure Hazards Using Terrestrial Laser Scanning

Sensors ◽  
2019 ◽  
Vol 19 (6) ◽  
pp. 1463 ◽  
Author(s):  
Yunfeng Ge ◽  
Huiming Tang ◽  
Xulong Gong ◽  
Binbin Zhao ◽  
Yi Lu ◽  
...  
Keyword(s):  
Laser Scanning ◽  
Ground Surface ◽  
Terrestrial Laser Scanning ◽  
Point Clouds ◽  
Vertical Displacement ◽  
Deformation Monitoring ◽  
Earth Fissure ◽  
Displacement Analysis ◽  
Remote Sensing Technique ◽  
Noise Data

Deformation monitoring is a powerful tool to understand the formation mechanism of earth fissure hazards, enabling the engineering and planning efforts to be more effective. To assess the evolution characteristics of the Yangshuli earth fissure hazard more completely, terrestrial laser scanning (TLS), a remote sensing technique which is regarded as one of the most promising surveying technologies in geohazard monitoring, was employed to detect the changes to ground surfaces and buildings in small- and large-scales, respectively. Time-series of high-density point clouds were collected through 5 sequential scans from 2014 to 2017 and then pre-processing was performed to filter the noise data of point clouds. A tiny deformation was observed on both the scarp and the walls, based on the local displacement analysis. The relative height differences between the two sides of the scarp increase slowly from 0.169 m to 0.178 m, while no obvious inclining (the maximum tilt reaches just to 0.0023) happens on the two walls, based on tilt measurement. Meanwhile, global displacement analysis indicates that the overall settlement slowly increases for the ground surface, but the regions in the left side of scarp are characterized by a relatively larger vertical displacement than the right. Furthermore, the comparisons of monitoring results on the same measuring line are discussed in this study and TLS monitoring results have an acceptable consistency with the global positioning system (GPS) measurements. The case study shows that the TLS technique can provide an adequate solution in deformation monitoring of earth fissure hazards, with high effectiveness and applicability.

scholarly journals Special Issue on “Terrestrial Laser Scanning”: Editors’ Notes

Sensors ◽  
2019 ◽  
Vol 19 (20) ◽  
pp. 4569
Author(s):  
Joan R. Rosell-Polo ◽  
Eduard Gregorio ◽  
Jordi Llorens
Keyword(s):  
Point Cloud ◽  
Laser Scanning ◽  
Terrestrial Laser Scanning ◽  
Point Clouds ◽  
Special Issue ◽  
Alternative Technologies ◽  
Cloud Processing ◽  
3D Point Clouds ◽  
Point Cloud Processing

In this editorial, we provide an overview of the content of the special issue on “Terrestrial Laser Scanning”. The aim of this Special Issue is to bring together innovative developments and applications of terrestrial laser scanning (TLS), understood in a broad sense. Thus, although most contributions mainly involve the use of laser-based systems, other alternative technologies that also allow for obtaining 3D point clouds for the measurement and the 3D characterization of terrestrial targets, such as photogrammetry, are also considered. The 15 published contributions are mainly focused on the applications of TLS to the following three topics: TLS performance and point cloud processing, applications to civil engineering, and applications to plant characterization.

Fundamental characterization of a priori measurement accuracy of terrestrial laser scanning

2020 ◽  
Vol 59 (33) ◽  
pp. 10243
Author(s):  
Jindřich Brzobohatý ◽  
Filip Šmejkal ◽  
Petr Pokorný
Keyword(s):  
Laser Scanning ◽  
Measurement Accuracy ◽  
A Priori ◽  
Terrestrial Laser Scanning

Field characterization of olive (Olea europaea L.) tree crown architecture using terrestrial laser scanning data

2011 ◽  
Vol 151 (2) ◽  
pp. 204-214 ◽  
Author(s):  
Inian Moorthy ◽  
John R. Miller ◽  
Jose Antonio Jimenez Berni ◽  
Pablo Zarco-Tejada ◽  
Baoxin Hu ◽  
...  
Keyword(s):  
Olea Europaea ◽  
Laser Scanning ◽  
Terrestrial Laser Scanning ◽  
Crown Architecture ◽  
Tree Crown ◽  
Olea Europaea L ◽  
Olea Europaéa

scholarly journals A sensor skid for precise 3D modeling of production lines

2014 ◽  
Vol II-5 ◽  
pp. 117-122 ◽  
Author(s):  
J. Elseberg ◽  
D. Borrmann ◽  
J. Schauer ◽  
A. Nüchter ◽  
D. Koriath ◽  
...  
Keyword(s):  
3D Modeling ◽  
Production Line ◽  
Laser Scanning ◽  
Terrestrial Laser Scanning ◽  
Point Clouds ◽  
Production Lines ◽  
3D Point Clouds ◽  
Laser Scanners ◽  
Rapid Characterization

Motivated by the increasing need of rapid characterization of environments in 3D, we designed and built a sensor skid that automates the work of an operator of terrestrial laser scanners. The system combines terrestrial laser scanning with kinematic laser scanning and uses a novel semi-rigid SLAMmethod. It enables us to digitize factory environments without the need to stop production. The acquired 3D point clouds are precise and suitable to detect objects that collide with items moved along the production line.

scholarly journals Terrestrial laser scanning for quantifying small-scale vertical movements of the ground surface in Artic permafrost regions

2017 ◽  
Author(s):  
Sabrina Marx ◽  
Katharina Anders ◽  
Sofia Antonova ◽  
Inga Beck ◽  
Julia Boike ◽  
...  
Keyword(s):  
Laser Scanning ◽  
Three Dimensional ◽  
Ground Surface ◽  
Terrestrial Laser Scanning ◽  
Spatial Sampling ◽  
Small Scale ◽  
Vertical Movements ◽  
North East ◽  
Multi Temporal ◽  
Permafrost Regions

Abstract. Three-dimensional data acquired by terrestrial laser scanning (TLS) provides an accurate representation of Earth's surface, which is commonly used to detect and quantify topographic changes on a small scale. However, in Arctic permafrost regions the tundra vegetation and the micro-topography have significant effects on the surface representation in the captured dataset. The resulting spatial sampling of the ground is never identical between two TLS surveys. Thus, monitoring of heave and subsidence in the context of permafrost processes are challenging. This study evaluates TLS for quantifying small-scale vertical movements in an area located within the continuous permafrost zone, 50 km north-east of Inuvik, Northwest Territories, Canada. We propose a novel filter strategy, which accounts for spatial sampling effects and identifies TLS points suitable for multi-temporal deformation analyses. Further important prerequisites must be met, such as accurate co-registration of the TLS datasets. We found that if the ground surface is captured by more than one TLS scan position, plausible subsidence rates (up to mm-scale) can be derived; compared to e.g. standard raster-based DEM difference maps which contain change rates strongly affected by sampling effects.

Use of terrestrial laser scanning for the characterization of retrogressive landslides in sensitive clay and rotational landslides in river banks

2009 ◽  
Vol 46 (12) ◽  
pp. 1379-1390 ◽  
Author(s):  
Michel Jaboyedoff ◽  
Denis Demers ◽  
Jacques Locat ◽  
Ariane Locat ◽  
Pascal Locat ◽  
...  
Keyword(s):  
Laser Scanning ◽  
Terrestrial Laser Scanning ◽  
Emergency Situation ◽  
Light Detection And Ranging ◽  
Eastern Canada ◽  
Landslide Volume ◽  
Digital Elevation ◽  
Sensitive Clay ◽  
River Banks

For more than 10 years, digital elevation models (DEM) produced by light detection and ranging (LIDAR) technology have provided new tools for geomorphologic studies and especially for landslide studies. In particular, terrestrial laser scanning (TLS) provides a great versatility of use. TLS can be used either for monitoring purposes or in an emergency situation that necessitates a rapid DEM acquisition for assessing a hazard. Using three examples we demonstrate the usefulness of TLS for landslide volume quantification, profile creation, and time series analysis. These case studies are landslides located in sensitive clays of eastern Canada (Quebec, Canada) or small rotational slides in river banks (Switzerland).

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