Seabed classification software

Exhibitor Opportunities. Maritime Journal Port Strategy. Coda Octopus designs solutions for a wide variety of tasks including subsea surveys, marine construction, ROV operations, dredging, and port security.

Share this article Facebook. Previous Article Next Article. Boskalis expands market position Boskalis expands market position in marine survey through acquisition horizon. Subscribe to our eNewsletter today Accurate seabed mapping information is important on a number of levels, not least with increased activity in the offshore renewables industry and a need for information on shallow geology for appropriate site selection and foundation design.

The need for information within the first few metres of the seabed is also useful in the context of cable and pipeline burial projects and associated engineering techniques. In addition, the demarcation of marine protected areas MPAs requires the identification and mapping of benthic habitats and both marine and environmental legislation, e. Marine Strategy Framework Directive, can only be enforced where the most accurate information is available.

Information is often collected using remote sensing techniques including singlebeam echosounders, multibeam echosounders and side-scan sonar which, in turn, is analysed by industry specific software which aims to classify the acoustic classes of information.

Side-scan sonar provides extensive spatial coverage and in some cases immediately useful information on bottom type. Multibeam systems offer high-resolution seabed topography information and also yield linked backscatter data.

Classification maps are subject to ground-verification in order to identify the compositions and bottom type that characterize each class. The extent boundaries are instantly visible to the user for validation and QC and can then be exported for use in chart and map generation, direct import to the users chosen GIS platform, or for further processing. Within Survey Engine, the seabed type boundaries are stored using our powerful GeoKit feature set allowing them to be manually edited, reported or supplemented if required.

The boundary generation process automatically creates nodes in a way that avoids any gaps between adjacent seabed types which is vital for contiguous segmentation and reporting. Our software also displays closed boundary areas as colored polygons helping to identify and distinguish these seabed types, particularly useful to visualize those areas completely surrounded by other seabed types. With this new fully automated Seabed Classification software, users can now save valuable interpretation and reporting time when generating charts or maps in support of their geophysical survey projects.

Ideal geophysical survey applications include site and geohazard investigation in support of pipelay, jacket and riser installation or subsea cable laying operations. For example, ripples in the seabed that alert operators to strong and potentially dangerous currents, can now be more quickly and more repeatably identified for better decision making. Environmental applications will greatly benefit from the automated classification over large area surveys of differing and varied seabed types.

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