Crowdsourced bathymetry - PowerPoint PPT Presentation


Guidelines and Recommendations for Hydrographic Offices CATZOC Allocation

The report highlights guidelines for Hydrographic Offices to allocate CATZOC values based on minimum bathymetry standards, ZOC categories, and best practices from various national methodologies. It covers position accuracy, depth accuracy, and seafloor coverage criteria. The allocation is primarily

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Coastal Monitoring and Lessons Learned in Southwest England

Southwest England's coastal monitoring efforts, including the South West Coastal Monitoring program and lessons learned from the destruction of Hallsands in 1917 due to lack of understanding of coastal processes. The monitoring involves data collection on beach profiles, bathymetry, wave patterns, a

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Enhancing Privacy in Crowdsourced Spectrum Allocation

This research focuses on protecting privacy in crowdsourced spectrum allocation, addressing the security challenges faced due to the presence of multiple entities and the sensitive information collected. By proposing potential ideas like Fully Homomorphic Encryption (FHE) and Secure Multi-Party Comp

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Evolution and Demise of Freebase and the Google Knowledge Graph

Freebase was launched in 2005 as an open database of knowledge, initially populated with Wikipedia data and later incorporating crowdsourced updates. Acquired by Google in 2010, it was transitioned into Google's Knowledge Graph before being decommissioned in 2016. The schema contained around 1500 ty

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Recent Advances in Crowdsourced Entity Matching Problems

Recent research highlights the use of crowdsourcing in entity matching problems, aiming to improve accuracy and efficiency. The study investigates the challenges faced in scaling crowdsourced solutions for large enterprises and explores the limitations of developer-dependent workflows. The need for

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IRCC10 Meeting Outcomes and Initiatives

IRCC10, held in Goa, India, reviewed reports from subordinate bodies, emphasized regional coordination, and agreed on revisions to IHO Resolution 2/1997. The meeting also highlighted achievements in Capacity Building and addressed issues related to Crowd-Sourced Bathymetry and the Worldwide ENC Data

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Collaboration Team for Seabed 2030 in Denpasar, Bali - Proposal for Enhanced Coordination

Proposal for establishing a Seabed 2030/CSB Coordinator Collaboration Team to enhance communication between RHC Coordinators. The team aims to discuss progress, challenges, and successes semiannually, fostering support for the Seabed 2030 Project and Crowdsourced Bathymetry Initiative. Key recommend

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Romanian-Norwegian Strategic Cooperation in Maritime Higher Education - MARINTECH Project

Romanian-Norwegian strategic cooperation in maritime higher education through the MARINTECH Project aims to enhance human capital and knowledge base in marine intelligent technologies. The project includes intensive programs like the Bathymetry and Oceanography Summer School to develop innovative le

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Tsunamis in the POLA and POLB: Wave Interactions and Considerations

Tsunamis' impact on harbors like POLA and POLB, including wave interactions with moored ships and land-side facilities. Explore the response of harbors to wave-induced oscillations, velocity considerations, and tsunami sources. Insights into historic far-field tsunamis and Southern California bathym

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High-Resolution 3D Seafloor Topography Enhancement Using Kalman Filtering

Proposing a Kalman Filter approach to refine seafloor topography estimation by integrating various geophysical data types. The method allows for producing regional bathymetry with higher resolution, truncating unnecessary observations, and reducing the matrix dimensions in the inverse problem. Inclu

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Investigating Underreporting of Pedestrian and Bicycle Crashes Around University Campuses

This study explores the underreporting of pedestrian and bicycle crashes in and around university campuses using a crowdsourcing approach. It discusses the reasons why not all crashes get documented and how crowdsourced data can complement police-reported datasets, providing insights into perception

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Bathymetry Trackline Fitting Techniques at ACM SIGSPATIAL GIS 2009

Tsz-Yam Lau, You Li, Zhongyi Xie, and W. Randolph Franklin presented various ship trackline fitting techniques at the ACM SIGSPATIAL GIS 2009 conference in Seattle. The study explored methods such as Inverse Distance Weighting, Kriging, Voronoi, Linear Spline, Quadratic Spline, and more for bathymet

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Overview of Nordic Hydrographic Commission Activities

The Nordic Hydrographic Commission (NHC) has been actively involved in various initiatives and projects related to hydrography and maritime safety. Their recent meetings have focused on topics such as digital products for the leisure market, S-100 product developments, and new ship route systems in

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South West Pacific Hydrographic Commission Country Report for Kiribati

Kiribati's country report highlights achievements such as receiving satellite-derived bathymetry datasets, hosting awareness workshops, and pursuing funding for LIDAR surveys. Challenges include limitations in meeting mapping authority standards and a lack of legislative support for hydrographic act

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IHO ENC Maintenance Working Group Report 2019

Report from the International Hydrographic Organization's ENC Maintenance Working Group meeting in Monaco, covering tasks, membership, S-4 updates, clarifications, and discussions on encoding floodlighting colors in S-57 charts. Topics include submarine cables and bathymetry.

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Creating a CMS Simulation: Grid Domain Activity Dataset Development

Developing a CMS simulation involves loading bathymetry data, setting boundary conditions, creating grid domains (land/water), and choosing between Quadtree or Cartesian grid structures. Learn how to manage survey datasets, add new coverages, define grid frames, and set up the land/water interface f

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Draft Initial Communications Plan for IHO CSB WG 14/xx

This draft communication plan outlines the objectives, goals, infrastructure, target audience, messages, spokespersons, channels, budget, deliverables, schedule, success metrics, and elements for effectively managing communications related to the Crowdsourced Bathymetry project and its stakeholders.

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Highlights from 15th Conference of EAtHC, Lagos, Nigeria, 17-19 October 2018

Items discussed at the 2nd meeting of the IHO Council during the 15th Eastern Atlantic Hydrographic Commission Conference included ensuring use of the IHO Fund for Special Projects, coordination between RHCs, approval of IHO publication B-12 on Crowdsourced Bathymetry, elimination of overlapping ENC

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Understanding Benthic Substrate Characterization Through Multibeam Bathymetry

Utilizing multibeam bathymetry and backscatter data, this project focuses on mapping potential benthic substrates in marine environments. The history, procedures, and possible classification schemes are discussed, highlighting the importance of analyzing backscatter data for sediment classification.

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International Reports and Proposals on Capacity Building and Maritime Safety

Explore reports on capacity building sub-committee's resource needs, investigating electronic navigation services, challenges in maritime safety information infrastructure in Africa, progress on GEBCO Project Seabed 2030, crowdsourced bathymetry initiatives, and advancements in marine spatial data i

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Enhancing OpenStreetMap with Crowdsourced Turning Restrictions

Abundance of GPS tracking data has led to significant research on map-matching algorithms and identifying turning restrictions. This study focuses on inferring turning restrictions for OpenStreetMap data by utilizing historic map-matching results effectively. Understanding and implementing turning r

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