[PDF][PDF] Areal Deformation Analysis from TLS Point Clouds-The Challenge/Flächenhafte Deformationsanalyse Aus TLS-Punktwolken-Die Herausforderung

T Wunderlich, W Niemeier, D Wujanz, C Holst… - Allg. Vermess …, 2016 - researchgate.net
Terrestrisches Laserscanning wird in der Praxis bereits vielfach zur flächenhaften
Bestimmung von Bauwerksdeformationen genutzt. Es gibt jedoch kaum Ansätze zu strenger …

[HTML][HTML] Analysis of the displacements of pipeline overpasses based on geodetic monitoring results

R Shults, A Annenkov, G Seitkazina… - Geodesy and …, 2022 - Elsevier
There are many approaches to address geospatial monitoring of pipeline overpasses,
among which the most widespread methods are terrestrial laser scanning and total station …

Spatio-temporal deformation analysis using enhanced B-spline models of laser scanning point clouds

C Harmening - 2020 - repositum.tuwien.at
In recent years, terrestrial laser scanning has become a standard measuring technique for
engineering geodetic applications. Due to its contact-less and fast data acquisition as well …

Designing and evaluating a user-oriented calibration field for the target-based self-calibration of panoramic terrestrial laser scanners

T Medić, H Kuhlmann, C Holst - Remote Sensing, 2019 - mdpi.com
Calibration of terrestrial laser scanners (TLSs) is one of the fundamental tasks for assuring
the high measurement accuracy required by an increasing number of end-users …

Sensitivity analysis and minimal measurement geometry for the target-based calibration of high-end panoramic terrestrial laser scanners

T Medić, H Kuhlmann, C Holst - Remote Sensing, 2019 - mdpi.com
Target-based calibration is the most widely used calibration procedure for terrestrial laser
scanners. Nevertheless, the current implementations of this procedure are suboptimal due to …

Empirical stochastic model of detected target centroids: Influence on registration and calibration of terrestrial laser scanners

T Medić, C Holst, J Janßen… - Journal of Applied …, 2019 - degruyter.com
The target-based point cloud registration and calibration of terrestrial laser scanners (TLSs)
are mathematically modeled and solved by the least-squares adjustment. However, usual …

Including virtual target points from laser scanning into the point-wise rigorous deformation analysis at geo-monitoring applications

L Raffl, C Holst - 5th Joint International Symposium on Deformation …, 2023 - riunet.upv.es
[EN] We present a method to include virtual target points from laser scanning into the point-
based rigorous deformation analysis to derive precise 3D deformation vectors. This method …

A priori vs. in-situ terrestrial laser scanner calibration in the context of the instability of calibration parameters

T Medić, H Kuhlmann, C Holst - … on Engineering Surveying and 4th SIG …, 2021 - Springer
Commonly, terrestrial laser scanners (TLSs) are calibrated on calibration fields so the
scanner's instrumental errors are estimated a priori to a given task. Such approaches …

Multientity registration of point clouds for dynamic objects on complex floating platform using object silhouettes

F Wang, H Hu, X Ge, B Xu, R Zhong… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
This article is focused on a challenging topic emerging from the registration of point clouds,
specifically the registration of dynamic objects with low overlap** ratio. This problem is …

Efficient calibration strategies for panoramic terrestrial laser scanners

T Medić - 2021 - bonndoc.ulb.uni-bonn.de
Terrestrial laser scanner (TLS) measurements are unavoidably affected by systematic errors
due to internal mechanical misalignments, while the calibration is the fundamental …