ICC Programming

Hydrological Mapping

4507.3 - Unmanned vehicle systems in hydrography survey - new opportunities and challenges

Tuesday, July 4
2:10 PM - 2:30 PM
Location: Maryland B

Nowadays, there is many performance of unmanned vehicle systems (UVS). The movement or navigation of these systems may operate with various degrees of autonomy: either under remote control by a human operator, or fully or intermittently autonomously, by on-board computers. Some of those systems are used in hydrographic survey as following:
1. Unmanned aerial vehicle (UAV), commonly known as a drone is an aircraft without a human pilot aboard;
2. Unmanned surface vehicles (USV) is vehicle that operate on the surface of the water (watercraft) without a crew;
3. Remotely operated underwater vehicle (ROV) is a tethered underwater mobile device.
Each of these types of vessels on board may have equipment for positioning (usually Global Navigation Satellite System - GNSS), Systems for platform stabilization (Inertial Navigation Systems -INS with Inertial Measurement Unit - IMU) and equipment for hydrographic survey (echo sounder for vessels or underwater vehicles; multispectral camera or LIDAR for drones). Many offices increasingly have used such vessels for hydrographic survey in recent years and there are efficient and inexpensive version of equipment for hydrographic and bathymetry survey.
The paper will presented and summarized techniques and methods used for hydrographic survey, comparative advantages and disadvantages as well as a cost-benefit analysis and accuracy of each system. Results will be compared with conventional survey and International Hydrographic Organization (IHO) standards for hydrographic surveys S-44.

Nenad Leder

Phd
Hydrographic institute of Republic of Croatia

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Tea -. Duplančić Leder

Prof
Faculty of Civil Eng., Architecture and Geodesy

Tea Duplančić Leder is professor of Geodesy at university od Split - Faculty of Civil Eng., Architecture and Geodesy.

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Paulo Raposo

Assistant Professor of Geography
The University of Tennessee, Knoxville

Dr. Raposo is a cartographer, and an Assistant Professor in Geographic Information Science in the Department of Geography at The University of Tennessee, Knoxville. He received his PhD in Geography, with a specialization in cartography, from Penn State University. His interests are in cartographic design, multiple representation and generalization, geometry, and raster surfaces.

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