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Extended active contours approach for mine detection in synthetic aperture sonar images

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4 Author(s)
Lehmann, B. ; ATLAS Elektron. GmbH, Bremen, Germany ; Ramanandan, S.K. ; Siantidis, K. ; Kraus, D.

In this paper the problem of contour extraction in sonar images is addressed. We talk in this context about naval mines placed on the seafloor which are still a vast restraint in civil and military shipping. This potential risk is typically encountered by advanced sonar signal processing techniques and a huge amount of human interactions. To reduce at least the human interactions an automatic procedure is desired. Therefore we introduce a novel automatic target extraction algorithm based on active contours employing a specific shadow locating energy motivated by our experiments. Additionally we use a K-means based thresholding process and a Kolmogorov Smirnov (KS) test for improving the initial guess and therefore optimizing the overall performance.

Published in:

Ocean Electronics (SYMPOL), 2011 International Symposium on

Date of Conference:

16-18 Nov. 2011