Performance evaluation of terrestrial laser scanners—A review

B Muralikrishnan - Measurement Science and Technology, 2021 - iopscience.iop.org
Terrestrial laser scanners (TLSs) are increasingly used in several applications such as
reverse engineering, digital reconstruction of historical monuments, geodesy and surveying …

Decreasing the uncertainty of the target center estimation at terrestrial laser scanning by choosing the best algorithm and by improving the target design

J Janßen, T Medic, H Kuhlmann, C Holst - Remote Sensing, 2019 - mdpi.com
During the registration and georeferencing of terrestrial laser scans, it is common to use
targets to mark discrete points. To improve the accuracy of the registration, the uncertainties …

Terrestrial laser scanner two-face measurements for analyzing the elevation-dependent deformation of the onsala space observatory 20-m radio telescope's main …

C Holst, D Schunck, A Nothnagel, R Haas… - Sensors, 2017 - mdpi.com
For accurate astronomic and geodetic observations based on radio telescopes, the
elevation-dependent deformation of the radio telescopes' main reflectors should be known …

Terrestrial laser scanner autonomous self-calibration with no prior knowledge of point-clouds

X Li, Y Li, X Xie, L Xu - IEEE Sensors Journal, 2018 - ieeexplore.ieee.org
To improve the positional accuracy of point-clouds, a self-calibration model of a terrestrial
laser scanner (TLS) was used to calibrate mounting angle errors as systematic errors. The …

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 …

Automatic in-situ self-calibration of a panoramic TLS from a single station using 2D keypoints

T Medić, H Kuhlmann, C Holst - ISPRS Annals of the …, 2019 - isprs-annals.copernicus.org
Terrestrial laser scanner (TLS) measurements are unavoidably affected by systematic
influences due to internal misalignments. The magnitude of the resulting errors can exceed …

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 …

Dealing with systematic laser scanner errors due to misalignment at area-based deformation analyses

C Holst, T Medić, H Kuhlmann - Journal of Applied Geodesy, 2018 - degruyter.com
The ability to acquire rapid, dense and high quality 3D data has made terrestrial laser
scanners (TLS) a desirable instrument for tasks demanding a high geometrical accuracy …

Object positional uncertainty modelling in 2D viewpoint planning

DD Lichti, J Cooper, F Jia, R Radovanovic… - Automation in …, 2023 - Elsevier
Viewpoint planning of terrestrial laser scanning surveys is often guided by the level of
accuracy, which is a measure of radiated point precision that does not account for all factors …