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Ultrasonic time of flight computed tomography for concrete inspection.
Author(s):
1. Hongjin Zhu: School of Computer Engineering, Jiangsu Teachers University of Technology, Changzhou, 213001, China
2. Honghui Fan: Key Laboratory of Cloud Computing & Intelligent Information Processing of Changzhou City, Jiangsu Teachers University of Technology, Changzhou, 213001, China
Abstract:
This research aims to evaluate the internal structure of concrete material configuration using an immersed ultrasonic computed tomography imaging technique. We propose a relative difference method of time of flight data to remove distortions in imaging process of concrete. Time of flight data for 306 paths were measured in total by manual scanning for one computer tomography image, we examined interpolation of time of flight data as the density which has a considerable effect on image quality in Filtered Back Projection (FPB) method. The relative difference of time of flight and interpolation is examined in detail using concrete phantoms. The accuracy of defect detection in concrete was significantly improved by the proposed technique.
Page(s): 462-467
DOI: DOI not available
Published: Journal: Journal of Theoretical and Applied Information Technology, Volume: 45, Issue: 2, Year: 2012
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