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IMPACT OF THE QUALITY OF 3D LASER SCANNING OF THE BUILDING FOR THE RESULTANT POINT CLOUD

J. A. Pawlowicz, Elzbieta Szafranko

First published: 2017-06-20https://doi.org/10.5593/sgem2017/23/s10.018View metrics

Abstract

Obtaining data on buildings by means of TLS (Terrestrial Laser Scanning) has recently become very popular as the time needed to take the measurements is significantly shorter than in the case of the traditional methods. The technical parameters of 3D scanners (digitizers) are becoming increasingly advanced, while the accuracy of the data collected using them allows not only to translate the geometry of a real-life object into a digital image, but also to evaluate its physical condition. This is possible due to the digitisation of real-life objects by means of e.g. a Scan Station C10 laser scanner by Leica, allowing to generate a digital database in the form of a point cloud. This article discusses the factors influencing the quality of the data obtained by means of 3D laser scanning of different objects and their elements. The measurement variables may be designed in such a way as to arrive at a point cloud that researchers could use to obtain the anticipated effects. This article presents an example of taking measurements of a masonry structure, a light steel structure of a patio, and measurements of respective damages and cracks. Each of these cases is used to present different measurementrelated issues, including the phenomena related to the quality of measurements.

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Publication details

Title
IMPACT OF THE QUALITY OF 3D LASER SCANNING OF THE BUILDING FOR THE RESULTANT POINT CLOUD
Authors
J. A. Pawlowicz, Elzbieta Szafranko
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Informatics, Geoinformatics and Remote Sensing
Publisher
STEF92 Technology
Year
2017
Pages
141-148
SWS Citekey
Pawlowicz201710141148
ISSN
1314-2704
ISBN
978-619-7408-03-4
Language
en
Publication type
Conference Paper
Keywords
possibilities of laser scanning In civil engineeringterrestrial laser scanningquality of measurementthe technical condition of a building
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