Multi-sensor technology for B-spline modelling and deformation analysis of composite structures

H Yang, X Xu - Composite Structures, 2019 - Elsevier
High-accuracy deformation analysis of composite structures is an important topic in the field
of civil engineering and increasing attention is given to geometry-based analytical model …

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

T Wunderlich, W Niemeier, D Wujanz… - allgemeine …, 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] TLS-based composite structure deformation analysis validated with laser tracker

X Xu, J Bureick, H Yang, I Neumann - Composite Structures, 2018 - Elsevier
This paper focuses on the adjustment of B-spline approximation to terrestrial laser scanning
(TLS) data and its contribution to deformation analysis of composite arched structures. The …

[HTML][HTML] A Method for Convergent Deformation Analysis of a Shield Tunnel Incorporating B-Spline Fitting and ICP Alignment

Z Wang, X Xu, X He, X Wei, H Yang - Remote Sensing, 2023 - mdpi.com
The application of three-dimensional laser scanning technology in the field of tunnel
deformation monitoring has changed the traditional measurement method. It provides an …

[HTML][HTML] Image encryption algorithm based on a novel wide-range discrete hyperchaotic map

H Zhong, G Li, X Xu, X Song - Mathematics, 2022 - mdpi.com
Existing hyperchaotic systems suffer from a small parameter range and small key space.
Therefore, we propose herein a novel wide-range discrete hyperchaotic map (3D-SCC) …

TLS-based profile model analysis of major composite structures with robust B-spline method

X Xu, B Kargoll, J Bureick, H Yang, H Alkhatib… - Composite …, 2018 - Elsevier
With the development of city constructions, tunnels are becoming important structures for
underground transportation. Tunnels constitute layered composite structures with concrete …

Overview on current modelling strategies of point clouds for deformation analysis

H Neuner, C Holst, H Kuhlmann - … : AVN; Zeitschrift für alle …, 2016 - bonndoc.ulb.uni-bonn.de
Terrestrial laser scanning was used for deformation monitoring of structures and
geoscientific objects already at an early stage of its employment for engineering geodetic …

[HTML][HTML] Laser Scanner–Based Deformation Analysis Using Approximating B-Spline Surfaces

C Harmening, C Hobmaier, H Neuner - Remote Sensing, 2021 - mdpi.com
Due to the increased use of areal measurement techniques, such as laser scanning in
geodetic monitoring tasks, areal analysis strategies have considerably gained in importance …

Robust and automatic modeling of tunnel structures based on terrestrial laser scanning measurement

X Xu, H Yang, B Kargoll - International Journal of Distributed …, 2019 - journals.sagepub.com
The terrestrial laser scanning technology is increasingly applied in the deformation
monitoring of tunnel structures. However, outliers and data gaps in the terrestrial laser …

[HTML][HTML] Model selection for parametric surfaces approximating 3D point clouds for deformation analysis

X Zhao, B Kargoll, M Omidalizarandi, X Xu, H Alkhatib - Remote Sensing, 2018 - mdpi.com
Deformation monitoring of structures is a common application and one of the major tasks of
engineering surveying. Terrestrial laser scanning (TLS) has become a popular method for …