NDLI: Parametrical and Textural Analysis of Sidescan Sonar Images of the Seafloor

Content Provider	IEEE Xplore Digital Library
Author	Tegowski, J. Zielinski, A. Kruss, A.
Copyright Year	2007
Description	Author affiliation: Polish Acad. of Sci., Sopot (Tegowski, J.; Kruss, A.)
Abstract	This paper presents a comparative analysis of a new method of sidescan sonar imagery segmentation helpful in the estimation and spatial distribution of macrophytobentos in Arctic conditions. In our research, we designed three methods, two based on a parametric analysis of sidescan sonar echo signals and the third on a textural analysis relying on mathematical morphology. Acoustic observations were verified by video recordings and biological samplings. A single beam echosounder was also used. The Spitsbergen fjords represent a periglacial environment with great diversity of morphodynamic processes and sensitivity for global warming changes, so it is one of the most promising areas to study the influence of climate change on an ecosystem. Sidescan sonar is a very effective and economic tool for mapping marine vegetation on the seafloor, but interpretation of data still causes many problems especially in the specific conditions of the Arctic fjords (underwater rocks, postglacial sediments, steep slopes). Proposed segmentation and classification algorithms enable estimation of the bottom area covered by algae and, together with results of biological sampling and single beam echosounder measurements, estimation of algae biovolume and biomass.
Starting Page	1
Ending Page	6
File Size	3275184
Page Count	6
File Format	PDF
ISBN	9780933957350
DOI	10.1109/OCEANS.2007.4449158
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-29
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	MTS
Subject Keyword	Image analysis Image texture analysis Sonar Sea floor Arctic Signal analysis Acoustic beams Algae Image segmentation Design methodology
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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