3D mapping revives underwater city

Marine robotics team from the University of Sydney have won top honours for the project

Image courtesy of the University of Sydney.

Image courtesy of the University of Sydney.

A marine robotics team from the Faculty of Engineering and Information Technologies at the University of Sydney has received top honours in Canon Australia’s Extreme Imaging competition for their 3D mapping and digital reconstruction of an ancient underwater city in Greece.

PhD student Ariell Friedman won the prize for his project called Diver-based Stereo 3D Documentation of Excavations in Pavlopetri, which is known to be the oldest submerged city off the coast of Greece’s southern Laconia region.

The project reconstructed artefacts and structures dating back to 5000 years, which were covered by up to four metres of water.

Friedman’s project involved the modification of a diver camera system and the development of software to enable the rapid production of maps by automating the data processing pipeline.

The Extreme Imaging competition aims to promote local research in imaging and technology.

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