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Data Processing of Laser Scans Towards Applications in Structural Engineering

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Title: Data Processing of Laser Scans Towards Applications in Structural Engineering
Author(s): Walsh, Sara B.; Hajjar, Jerome F.
Subject(s): Laser Image Synthesis Object Identification Structural Collapse Sensor
Abstract: This research is investigating the use of high resolution 3D terrestrial laser scanners as tools to capture geometric data of complex scenes for structural engineering applications. Laser scan technology is continuously improving, with commonly available scanners now able to capture over 100,000 points per second with an accuracy of ~1 mm. This research focuses on determining the applicability of laser scanning to structural engineering applications, including structural health monitoring, collapse assessment, and post-hazard response assessment. One of the keys to this work is to establish a process for extracting important information from raw laser-scanned data sets. Once such a process is fully developed, laser scanning has the potential to play an important role in linking and sharing experimental and computational structural research. Previous work in this area has created a foundation of basic data processing steps. Additional steps and modifications to existing algorithms are presented to advance the performance of data processing on complete point clouds. The outcome of this research enables processing of lasers scans of complex structures to assist with advanced analysis, monitoring, and assessment.
Issue Date: 2009-06
Publisher: Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign.
Series/Report: Newmark Structural Engineering Laboratory Report Series 015
Genre: Technical Report
Type: Text
Language: English
URI: http://hdl.handle.net/2142/12984
ISSN: 1940-9826
Publication Status: published or submitted for publication
Rights Information: Copyright held by the authors. All rights reserved.
Date Available in IDEALS: 2009-06-30
 

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