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DeepSurveyCam — A Deep Ocean Optical Mapping System.
Kwasnitschka, Tom, Köser, Kevin, Sticklus, Jan , Rothenbeck, Marcel, Weiß, Tim, Wenzlaff, Emanuel, Schoening, Timm , Triebe, Lars, Steinführer, Anja, Devey, Colin and Greinert, Jens (2016) DeepSurveyCam — A Deep Ocean Optical Mapping System. Sensors, 16 (164). DOI 10.3390/s16020164.
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Abstract
Underwater photogrammetry and in particular systematic visual surveys of the deep sea are by far less developed than similar techniques on land or in space. The main challenges are the rough conditions with extremely high pressure, the accessibility of target areas (container and ship deployment of robust sensors, then diving for hours to the ocean floor), and the limitations of localization technologies (no GPS). The absence of natural light complicates energy budget considerations for deep diving flash-equipped drones. Refraction effects influence geometric image formation considerations with respect to field of view and focus, while attenuation and scattering degrade the radiometric image quality and limit the effective visibility. As an improvement on the stated issues, we present an AUV-based optical system intended for autonomous visual mapping of large areas of the seafloor (square kilometers) in up to 6000 m water depth. We compare it to existing systems and discuss tradeoffs such as resolution vs. mapped area and show results from a recent deployment with 90,000 mapped square meters of deep ocean floor.
Document Type: | Article |
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Additional Information: | (This article belongs to the Special Issue Sensors and Techniques for 3D Object Modeling in Underwater Environments) |
Keywords: | AUV; photogrammetry; camera; survey; deep sea; mapping; mosaicking; Photoscan; RV Sonne; SO239; SO242; AUV ABYSS |
Research affiliation: | OceanRep > GEOMAR > ZE Central Facilities > ZE-TLZ Technical and Logistics OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems > DeepSea Monitoring Kiel University OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-MUHS |
Refereed: | Yes |
Open Access Journal?: | Yes |
Publisher: | MDPI |
Projects: | ROBEX |
Contribution Number: | Project Number DSM 16 |
Expeditions/Models/Experiments: | |
Date Deposited: | 29 Jan 2016 10:07 |
Last Modified: | 05 Jun 2019 12:32 |
URI: | https://oceanrep.geomar.de/id/eprint/31231 |
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