Satellite-based seabed mapping (bathymetry) with onsite validation through autonomous robot ship

Mõlder, Heigo
Added: Apr 23, 2025
P170 T181 computer science

Abstract

Background: Estonia has a coastline of about 3,800 km, but more than 30% of the sea areas have not been measured according to modern standards. A large part of the data comes from the years 1951-1968, which is why the safety of shipping is not guaranteed and there is no knowledge of the state of the seabed. Surveys are important for infrastructure, navigation, shipwreck detection and environmental protection. Objectives: To develop and validate a methodology based on EO satellite data to derive bathymetric measurements of the seabed using the Copernicus Sentinel satellites (S1 and S2), combining SAR and optical data, validated by an autonomous robotic vessel.

Full Text

1. To develop and implement an algorithm for mapping seabed bathymetry using satellite images. 2. Extract and transmit bathymetric information in a suitable format and with the required spatial/temporal resolution and accuracy. 3. Validate the extracted bathymetric information with on-site data using an autonomous robotic vessel. 4. To demonstrate the effectiveness of the methodology on the basis of two examples. 5. Collect feedback and prepare a business plan for service implementation and deployment. 6. End users and stakeholders (ministries, government organizations, local governments, industry, etc.) are involved in the definition of requirements.

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