Real-time inspection of pavement by moire patterns

Sidney A. Guralnick; Eric S. Suen

doi:10.1117/12.25871

1 March 1991 Real-time inspection of pavement by moire patterns

Sidney A. Guralnick, Eric S. Suen

Proceedings Volume 1396, Applications of Optical Engineering: Proceedings of OE/Midwest '90; (1991) https://doi.org/10.1117/12.25871
Event: Applications of Optical Engineering: Proceedings of OE/Midwest '90, 1990, Rosemont, IL, United States

Abstract

The necessary basis for any cost-effective highway and bridge deck pavement management program is reliable complete and up-to-date information concerning the state of pavement surface. An imaging system using the Shadow Moire method for the quantitative inspection of highway pavement surface in real-time has been developed which includes image analysis software for performing image enhancement and the analysis of Moire fringe patterns. Several enhancement schemes and thinning algorithms have been implemented and tested. The prototype system possesses a high degree of automation and gives enhanced pictures and accurate results. Also needed surface geometry information may be obtained efficiently and effectively.

Citation Download Citation

Sidney A. Guralnick and Eric S. Suen "Real-time inspection of pavement by moire patterns", Proc. SPIE 1396, Applications of Optical Engineering: Proceedings of OE/Midwest '90, (1 March 1991); https://doi.org/10.1117/12.25871

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