Abstract
The preliminary research experiments described herein were aimed to choose an appropriate mixed reality technology for the construction of navigational information display method to be used onboard ships in restricted waters. The method assumes a possibly faithful representation of the environment and the actual navigational situation on a spatial decision support system (SDSS) interface during ship navigation and maneuvering in restricted waters. The paper also presents the architecture and process of building a SDSS, where the method of navigational information display using augmented virtuality was applied.
Highlights
Increasing vessel traffic in confined waters results in a greater number of ship collisions with offshore and port structures, seabed, or other ships
The analysis of the results showed that such a solution significantly reduced the decision making time and enhanced navigation safety as the number of recorded groundings was lower
The application of Augmented virtuality (AV) in the method enabled a faithful representation of the actual environment on an electronic device screen by displaying it using 3D virtual models
Summary
Increasing vessel traffic in confined waters results in a greater number of ship collisions with offshore and port structures, seabed, or other ships. To enhance the navigational safety in open and restricted waters, ships are equipped with decision support systems (DSS) or spatial decision support systems (SDSS) [2] with a graphical user interface These systems visualize the ship’s position, generally overlaid on an electronic navigational chart of the area. Most of them are limited to the use of a simplified model of restricted area bathymetry, extrapolated from sounding points found on standard Electronic Navigational Chart Such solutions, intended for the navigation of small vessels mainly in open waters, include popular TimeZero systems from MaxSea [14], Raymarine E-Series [15], Garmin Mariner 3D [16], or C-map 4D [17]. In AV, the proportions are reversed (i.e., artificially rendered, fully or partly virtual environment is supplemented with data faithfully correlated with the real environment) [34]
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