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October 28, 2020: New Hope Shipwreck

Structure from Motion photogrammetry is a method of approximating a three-dimensional (3D) structure using two-dimensional images. Photographs are stitched together using photogrammetry software to make a 3D model and other products like photomosaic maps. Photogrammetry has become an efficient method for rapidly recording underwater archaeological sites and can also be used to characterize seafloor features, such as coral reefs.

Image courtesy of the Bureau of Ocean Energy Management, Gulf of Mexico 2018. Download larger version (jpg, 2.0 MB).

Structure from Motion photogrammetry is a method of approximating a three-dimensional (3D) structure using two-dimensional images. Photographs are stitched together using photogrammetry software to make a 3D model and other products like photomosaic maps. Photogrammetry has become an efficient method for rapidly recording underwater archaeological sites and can also be used to characterize seafloor features, such as coral reefs.

This orthophoto of the New Hope tugboat was generated from low-resolution images collected via remotely operated vehicle Deep Discoverer during the Gulf of Mexico 2018 expedition. The New Hope sank in 1965 during Tropical Storm Debbie. The shipwreck is in ~800 meters (2,625 feet) of water.

From: Photogrammetry for Archaeological Survey.