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http://dx.doi.org/10.5762/KAIS.2017.18.5.330

Research of Remote Inspection Method for River Bridge using Sonar and visual system  

Jung, Ju-Yeong (Korea Railroad Research Institute)
Yoon, Hyuk-Jin (Korea Railroad Research Institute)
Cho, Hyun-Woo (Division of Robotics and virtual engineering, University of Science & Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.18, no.5, 2017 , pp. 330-335 More about this Journal
Abstract
This study applied SONAR(Sound Navigation And Ranging) to the inspection and evaluation of underwater structures. Anactual river bridge was chosen for inspection and evaluation. SONAR and an optical camera were operated together to analyze the underwater image of the bridge. SONAR images were obtained by various methods to remove the environmental variables from the field experiment, and it was confirmed that the reliability of detecting damaged areas on piers was decreased when using SONAR alone. The SONAR equipment and the optical camera can be used simultaneously to overcome the limitations of SONAR in inspecting underwater structures.These results can be used as basic data for the development of similar technologies for underwater structure inspection.
Keywords
Recognition; River bridge; SONAR; Turbidity; Underwater structure;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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