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System for characterisation and multidimensional imaging of seafloor using multibeam sonar data

Abstract

Multibeam sonars are widely used in applications like high resolution bathymetry measurements, underwater object detection and imaging, etc. Also, they are the promising tool in seafloor characterisation and classification, having several advantages over conventional single beam echosounders. The proposed approach to seafloor classification relies on the combined use of three different techniques. In each of them, a set of descriptors foreseen to be applied in seabed classification procedure, is calculated using a given type of data obtained from multibeam sonar system: 1) the grey-level sonar images of seabed, 2) the 3D model of the seabed surface which consist of bathymetric (x, y, z) points, 3) the set of time domain echo envelopes received in the consecutive beams. In addition, the open source World Wind Java SDK tool for 3D and 4D implementation of imaging and mapping of seafloor multibeam data was presented.

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Category:
Conference activity
Type:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Title of issue:
Proceedings of 11th European Conference on Underwater Acoustics 2012 - ECUA 2012, Edinburgh UK, 2-6 July 2012 strony 1703 - 1709
Language:
English
Publication year:
2012
Bibliographic description:
Łubniewski Z., Stepnowski A., Kulawiak M.: System for characterisation and multidimensional imaging of seafloor using multibeam sonar data// Proceedings of 11th European Conference on Underwater Acoustics 2012 - ECUA 2012, Edinburgh UK, 2-6 July 2012/ : , 2012, s.1703-1709
Verified by:
Gdańsk University of Technology

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