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

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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.

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

Document Type: Research Article

Publication date: November 1, 2005

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