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Proceedings Paper

The analysis of selected orientation methods of architectural objects’ scans
Author(s): Jakub S. Markiewicz; Irmina Kajdewicz; Dorota Zawieska
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Paper Abstract

The terrestrial laser scanning is commonly used in different areas, inter alia in modelling architectural objects. One of the most important part of TLS data processing is scans registration. It significantly affects the accuracy of generation of high resolution photogrammetric documentation. This process is time consuming, especially in case of a large number of scans. It is mostly based on an automatic detection and a semi-automatic measurement of control points placed on the object. In case of the complicated historical buildings, sometimes it is forbidden to place survey targets on an object or it may be difficult to distribute survey targets in the optimal way. Such problems encourage the search for the new methods of scan registration which enable to eliminate the step of placing survey targets on the object. In this paper the results of target-based registration method are presented The survey targets placed on the walls of historical chambers of the Museum of King Jan III's Palace at Wilanów and on the walls of ruins of the Bishops Castle in Iłża were used for scan orientation. Several variants of orientation were performed, taking into account different placement and different number of survey marks. Afterwards, during next research works, raster images were generated from scans and the SIFT and SURF algorithms for image processing were used to automatically search for corresponding natural points. The case of utilisation of automatically identified points for TLS data orientation was analysed. The results of both methods for TLS data registration were summarized and presented in numerical and graphical forms.

Paper Details

Date Published: 21 June 2015
PDF: 15 pages
Proc. SPIE 9528, Videometrics, Range Imaging, and Applications XIII, 952805 (21 June 2015); doi: 10.1117/12.2184959
Show Author Affiliations
Jakub S. Markiewicz, Warsaw Univ. of Technology (Poland)
Irmina Kajdewicz, Warsaw Univ. of Technology (Poland)
Dorota Zawieska, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 9528:
Videometrics, Range Imaging, and Applications XIII
Fabio Remondino; Mark R. Shortis, Editor(s)

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