Fugro Marinestar to Sponsor Hydrographic Data Acquisition & Processing Weeks

Fugro Marinestar, provider of a range of GNSS positioning services worldwide tailored for the dredging and marine construction, navy and hydrographic, wind farm and oceanographic research sectors, has become official sponsor of the Hydrographic Data Acquisition & Processing Weeks organized by 'Hydro International'. The online event will consist of a dedicated web page, extra newsletters and the bumper-packed November-December issue of 'Hydro International', the global magazine for the hydrography industry. During the Hydrographic Data Acquisition & Processing Weeks (November 9 – December 21), which will be supported by an abundance of new articles, columns, Q&As, videos and other new content, the Hydro International community... (read more)
2020-10-21 02:59:09

Ultrabeam and USS Join Forces to Deliver Autonomous Pipeline Survey

Ultrabeam Hydrographic, a hydrographic survey company, recently teamed up with Unmanned Survey Solutions (USS) to conduct two subsea gas pipeline inspection surveys in Northern Ireland. Both companies are based in the UK and offer unmanned platforms as an alternative to traditional manned survey vessels.   The contract was awarded by Mutual Energy, who were keen to gain experience on how unmanned autonomous platforms can increase the knowledge of their pipelines while reducing risk and overall cost. Shane Rafferty, group engineer explained: “Mutual Energy contracted with Ultrabeam Hydrographic in August 2020, following an open competitive tendering process, to perform inspection surveys of... (read more)
2020-10-20 10:03:13

The Road to Autonomy: Unmanned Subsea Asset Inspection

Reducing Requirements for Manual Intervention
In 2019, Swire Seabed successfully used a novel AUV/USV solution to complete a commercial pipeline inspection campaign, surveying 175km of pipe. This involved use of a HUGIN AUV paired with the Sea-Kit Maxlimer USV. The 2019 survey campaign formed the final part of a developmental project involving Swire Seabed, EIVA, Kongsberg and Sea-Kit in which inspection work scopes were completed for Equinor. In this, emphasis was placed on the automation of survey processes, allowing remote command and control of operations. This work typifies the direction in which the industry is heading, with many survey companies now seeking to reduce requirements... (read more)
2020-10-20 08:58:57

Applying Side-scan Sonar and an AI-powered Platform for Environmental Protection

Over the past few years, the University of Delaware, USA, has participated in a state programme which supports rescuing abandoned crab pots from the seabed and researches technologies to make the search process more effective. It has developed advanced sonar surveys from a boat with further map storage and processing in SPH Engineering’s ATLAS AI-powered platform. The evaluations proved to be time-effective and more accurate in comparison to the detections of human annotators.  Blue crab fishing is a popular commercial and recreational activity throughout the United States. In order to catch these crabs, people use 'crab pots'. These devices are placed... (read more)
2020-10-19 08:42:35

Panagiotis Agrafiotis

Panagiotis Agrafiotis holds a doctorate in Engineering from the National Technical University of Athens as well as an MSc in Geoinformatics and an MEng diploma in Surveying Engineering. His current research focuses on image-based bathymetry mapping for shallow and deep waters using photogrammetry and machine learning techniques. His expertise includes 3D computer vision, remote sensing and machine learning. During the past 8 years, he has worked on more than 16 research projects as a member of the Lab of Photogrammetry of NTUA, the Photogrammetric Vision Lab of CUT and the Institute of Communication and Computer Systems of NTUA. He also... (read more)
2020-10-13 10:50:47

Bathymetry from UAV Imagery and Machine Learning

Improving Results with Refraction Corrections
Accurate bathymetric mapping of shallow areas is essential for a plethora of offshore activities. Through Structure from Motion (SfM) and Multiview Stereo (MVS) techniques, images can provide a low-cost alternative compared to Lidar and sonar systems while also offering important visual information. This article presents a new framework for mapping the seabed in clear and calm shallow waters for small- and large-scale surveys using aerial imagery and machine learning to correct the geometric effects of refraction on the 3D point clouds and the imagery. SfM is a photogrammetric technique for estimating 3D structures from 2D image sequences. It involves acquiring... (read more)
2020-10-13 10:42:39

Oceanology International 2020 Goes Virtual

Oceanology International 2020 is to be held virtually, bypassing the current doubts over worldwide travel and quarantine restrictions, while bringing the maritime industry together in a fresh, innovative way through the Oi Connect event and meetings platform. Moving to a virtual exhibition ensures that it will be open to everyone, sidestepping travel times and logistics and uniting the global ocean tech community.   Event organizers Reed Exhibitions has also postponed Oi Americas – originally planned to be held in San Diego in February 2021 – until 2023. Oi Connect 2020 will instead serve a worldwide audience in what promises to... (read more)
2020-10-13 10:09:23

Port of London Brings Latest Technology to University College London

The Port of London Authority (PLA) hydrographic department recently teamed up with Unmanned Survey Solutions (USS) to provide ground-breaking educational support to University College London’s (UCL) IHO CAT A course in Hydrographic Surveying. The PLA have supported the university for many years by providing lectures in current hydrographic techniques and equipment as well as supporting their student field projects. However, due to COVID-19 restrictions, the final element of this year’s support had to be conducted virtually. The PLA, in conjunction with the USS and UCL, devised a two-week schedule which incorporated a combination of manned and unmanned survey tasks to... (read more)
2020-10-13 09:53:05

EIVA Launches Self-service Portal for NaviSuite Software

EIVA has announced the launch of My EIVA, its new self-service licence administration and purchase portal. My EIVA is designed to save time for new and existing EIVA customers holding NaviSuite software licences. As soon as users are registered in My EIVA, they gain access to the self-service portal which will allow for the purchase of new and the extension of existing licences. Furthermore, volume discounts are made with existing licences taken into consideration. The subscription generation and activation process in My EIVA is immediate and automated – on any PC with an internet connection – as it eliminates the... (read more)
2020-10-13 10:22:42

Extraterrestrial Hydrography

While there is still lots of ocean mapping work to do on Earth, oceans situated elsewhere in our solar system hold plenty of mysteries too, writes Wim van Wegen in this column. The oceans on our planet remain largely an unexplored world, far from divulging many of their secrets. Seabed 2030, which is a joint project between the Nippon Foundation of Japan and the General Bathymetric Chart of the Oceans (GEBCO), aims to collect all available bathymetric data in order to produce the definitive map of the world’s ocean floor by 2030. As of today (and despite many years of... (read more)
2020-10-08 08:47:41
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