Real-Time Automated Survey System of Pavement Cracking in Parallel Environment
Publication: Journal of Infrastructure Systems
Volume 11, Issue 3
Abstract
As a part of the digital highway data vehicle (DHDV), the automated survey system developed at the University of Arkansas is the implementation of a real-time system for pavement surface cracking survey. The researchers faced tremendous tasks in optimizing imaging algorithms to speed up the processing at the same time without sacrificing accuracy in identifying and classifying cracks. This paper introduces the automated real-time system and summarizes the experiences in developing parallel algorithms in imaging processing used in the real-time system. The hardware system for processing images is based on the ubiquitous multiple Central Processing Unit (CPU) platform that has the capability of two levels of parallel processing at multiple CPU level and within each CPU level. The former is commonly called Symmetrical Processing (SMP) and the latter is called Single Instruction Multiple Data (SIMD). The paper also presents results of a network level survey with the DHDV and the distress analyzer on a network of about of pavements. In addition, a manual survey was conducted on the same network of pavements. World Bank’s universal cracking indicator (CI) is used in this study. Because the distress analyzer is fully automated and results of the analysis are provided in synch with image collection, the potential cost savings when compared with manual survey methods and other semiautomated survey technologies are tremendous.
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Acknowledgments
The writers would like to thank Mr. Alan Meadors and Mark Evans, two engineers from the Arkansas State Highway and Transportation Department, to coordinate the data collection and provide technical expertise. The participation of staff from the University of Arkansas was also important, include Mr. David Wilson, Mr. Curtis Nunn, and Mr. Chad Mackey. The data collection and compilation by Mr. Nunn and Mr. Mackey produced the data used in the paper.
References
AASHTO. (2001). “Standard practice for quantifying cracks in asphalt pavement surface.” AASHTO Designation: PP44-00, Washington, D.C.
International Business Machines (IBM) Corporation 1990. (1996). AIX Versions 3.2 and 4 Performance Tuning Guide, 5th Ed.
Paterson, W. D. (1994). “Proposal of universal cracking indicator for pavements.” Transportation Research Record 1455, Transportation Research Board, Washington, D.C., 69–74.
Russ, J. C. (1999). The image processing handbook, 3rd Ed., CRC Press, Boca Raton, FL.
Wang, K. C. P. (2000). “Designs and implementation of automated systems for pavement surface distress survey.” J. Infrastruct. Syst., 6(1), 24–32.
Wang, K. C. P., Gong, W. G., Li, X. Y., Elliott, R. P., and Daleiden, J. (2002). “Data analysis of a real-time system for automated distress survey.” Transportation Research Record 1806, Transportation Research Board, Washington, D.C., 101–109.
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© 2005 ASCE.
History
Received: Aug 23, 2002
Accepted: Feb 8, 2005
Published online: Sep 1, 2005
Published in print: Sep 2005
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