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Synthetic aperture bathymetry estimation with a multielement array

Authors:

Alan HunterAuthors Info & Claims

IVCNZ '12: Proceedings of the 27th Conference on Image and Vision Computing New Zealand

Pages 364 - 369

https://doi.org/10.1145/2425836.2425907

Published: 26 November 2012 Publication History

Abstract

Bathymetric estimation from multiple synthetic aperture sonar (SAS) images is challenging for shallow water environments with low frequencies. This is due to the multipath echoes corrupting the desired direct-path echoes. In an attempt to suppress some of these multipaths, the MUD synthetic aperture sonar developed at TNO has a sixteen element vertical hydrophone array.

In this paper we consider a number of different bathymetry estimation techniques using multielement vertical arrays. We introduce an ad-hoc multilook variant of the matrix pencil method and find that it outperforms beamformed interferometry, extending the range of useful bathymetry until the problematic multipath mode produces a similar angle of arrival that cannot be resolved.

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Cited By

Bonnett BHayes MHunter A(2013)Registration of images from a hull mounted, low frequency synthetic aperture sonar2013 28th International Conference on Image and Vision Computing New Zealand (IVCNZ 2013)10.1109/IVCNZ.2013.6727006(142-147)Online publication date: Nov-2013
https://doi.org/10.1109/IVCNZ.2013.6727006

Index Terms

Synthetic aperture bathymetry estimation with a multielement array
1. Hardware
  1. Communication hardware, interfaces and storage
    1. Signal processing systems

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Published In

cover image ACM Other conferences

IVCNZ '12: Proceedings of the 27th Conference on Image and Vision Computing New Zealand

November 2012

547 pages

ISBN:9781450314732

DOI:10.1145/2425836

Editors:
Brendan McCane
University of Otago
,
Steven Mills
University of Otago
,
Jeremiah Deng
University of Otago

Copyright © 2012 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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HRS: Hoare Research Software Ltd.
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Dept. of Information Science, Univ.of Otago: Department of Information Science, University of Otago, Dunedin, New Zealand

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 26 November 2012

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IVCNZ '12

Sponsor:

HRS
Dept. of Information Science, Univ.of Otago

IVCNZ '12: Image and Vision Computing New Zealand

November 26 - 28, 2012

Dunedin, New Zealand

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Cited By

Bonnett BHayes MHunter A(2013)Registration of images from a hull mounted, low frequency synthetic aperture sonar2013 28th International Conference on Image and Vision Computing New Zealand (IVCNZ 2013)10.1109/IVCNZ.2013.6727006(142-147)Online publication date: Nov-2013
https://doi.org/10.1109/IVCNZ.2013.6727006

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