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26 July 2007 A data model with spatio-temporal characteristic for dynamic vehicle navigation system
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Abstract
Two dynamic characteristics, on-line map update and real time traffic information, are currently considered as the most important feature of vehicle navigation system. Therefore, the need of incorporating dynamic information into vehicle navigation system should be emphasized because the lack of data representation to integrate navigation data with models for spatio-temporal processes appears to be a major shortcoming in traditional vehicle navigation system. Consequently, in this paper we briefly summarize spatial and temporal characteristics of the DVNS (Dynamic Vehicle Navigation System). And then, based on these summaries, we propose a data model with spatio-temporal characteristic instead of static data model. In this data model, spatial feature, temporal feature and traffic feature are all integrated into a unified data model in order to supporting dynamic route plan and on-line map update in the DVNS. Finally, a prototype system based on the proposed data model is tested and implemented.
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Zhe Zeng, Qingquan Li, Bijun Li, and Dihong Xu "A data model with spatio-temporal characteristic for dynamic vehicle navigation system", Proc. SPIE 6752, Geoinformatics 2007: Remotely Sensed Data and Information, 67523R (26 July 2007); https://doi.org/10.1117/12.761326
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