Results of cylinder detection and fitting from real three dimensional underwater acoustic images

Authors: Patel, R.C.; Greig, A.R.

Source: Underwater Technology: The International Journal of the Society for Underwater, Volume 26, Number 3, November 2005 , pp. 115-127(13)

Publisher: Society for Underwater Technology

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Abstract:

For remotely operated underwater vehicles operating in the vicinity of offshore platforms the object recognition and detection of cylinders is of importance because many platforms are constructed from connected tubular elements. This paper briefly reviews acoustic cameras and then presents a cylinder-based model matching procedure for 3D underwater acoustic camera images. Cylinder identification is achieved using a combination of information from the 3D acoustic image and the 2D intensity map. The paper concludes with some sample results of images of a scaled oilrig structure captured using a 3D acoustic camera.

Keywords: UNDERWATER IMAGING; 3D FEATURE EXTRACTION; CYLINDER DETECTION; ACOUSTIC IMAGING; SURFACE FITTING

Document Type: Research article

DOI: http://dx.doi.org/10.3723/175605405784426646

Publication date: 2005-11-01

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Underwater Technology is the peer-reviewed international journal of the Society for Underwater Technology. The objectives of the journal are to inform and acquaint the Society's members and other readers with current views and new developments in the broad areas of underwater technology, ocean science and offshore engineering.
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