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Sensors 2010, 10(8), 7067-7081; doi:10.3390/s100807067

A Sensor System for Detection of Hull Surface Defects

* ,
DSIE, Technical University of Cartagena, Campus Muralla del Mar s/n, Cartagena, E-30202 Spain
* Author to whom correspondence should be addressed.
Received: 21 May 2010 / Revised: 14 June 2010 / Accepted: 18 June 2010 / Published: 26 July 2010
(This article belongs to the Section Physical Sensors)
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This paper presents a sensor system for detecting defects in ship hull surfaces. The sensor was developed to enable a robotic system to perform grit blasting operations on ship hulls. To achieve this, the proposed sensor system captures images with the help of a camera and processes them in real time using a new defect detection method based on thresholding techniques. What makes this method different is its efficiency in the automatic detection of defects from images recorded in variable lighting conditions. The sensor system was tested under real conditions at a Spanish shipyard, with excellent results.
Keywords: vision sensors; surface fault detection; ship hull blasting vision sensors; surface fault detection; ship hull blasting
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Navarro, P.; Iborra, A.; Fernández, C.; Sánchez, P.; Suardíaz, J. A Sensor System for Detection of Hull Surface Defects. Sensors 2010, 10, 7067-7081.

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