To train the SDB model on these data, they also acquired echo sounder-derived nautical charts from the Korea Hydrographic and Oceanographic Agency (KHOA); these charts were used as ground truth.

The ship was the first of two Echo-class survey ships – alongside HMS Enterprise, which is still in service – designed for hydrographic and oceanographic operations across the world.

It has been fitted with cutting-edge hydrographic survey technologies, including a Multi-Beam Echo Sounder (MBES) that delivers highly precise and detailed seabed mapping, an Autonomous Underwater ...