Fusing Multiscale Charts into 3D ENC Systems Based on Underwater Topography and Remote Sensing Image

Tao Liu, Zhao De-Peng, Ming-Yang Pan and Kun Bai

Mathematical Problems in Engineering, 2015, vol. 2015, 1-7

Abstract:

The purpose of this study is to propose an approach to fuse multiscale charts into three-dimensional (3D) electronic navigational chart (ENC) systems based on underwater topography and remote sensing image. This is the first time that the fusion of multiscale standard ENCs in the 3D ENC system has been studied. First, a view-dependent visualization technology is presented for the determination of the display condition of a chart. Second, a map sheet processing method is described for dealing with the map sheet splice problem. A process order called “3D order” is designed to adapt to the characteristics of the chart. A map sheet clipping process is described to deal with the overlap between the adjacent map sheets. And our strategy for map sheet splice is proposed. Third, the rendering method for ENC objects in the 3D ENC system is introduced. Fourth, our picking-up method for ENC objects is proposed. Finally, we implement the above methods in our system: automotive intelligent chart (AIC) 3D electronic chart display and information systems (ECDIS). And our method can handle the fusion problem well.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:610750

DOI: 10.1155/2015/610750

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