车载导航电子地图的关键技术与解决方案

导航电子地图是影响车载导航市场发展的重要因素。由于车载导航系统软硬件的限制,导航图有着不同于一般电子地图的特点与要求。根据在实际工作中遇到的问题和生产实践中的经验,探讨了导航电子地图生产需要解决的一系列关键技术,包括数据简化与压缩策略、面向导航系统的空间数据组织与索引策略、大区域车载导航地图数据的无缝连接技术、以及多尺度导航地图数据的显示与管理等,并给出了利用多源数据融合组织导航电子地图生产的技术方案。希望能够对车载导航电子地图的生产与研究有一定的借鉴作用。

The Key Technologies and Solution of In-vehicle Digital Navigation Map

Digital navigation map is important to the development of vehicle navigation market.As the limit of software and hardware,navigation map has different characteristic.According to the problem and experience,in the paper key technologies of navigation map were discussed,including data compression,spatial index,and so on.A solution was brought forward which used multi-source data fusion to organize the production of navigation map.We expected the paper could be used for reference to the production and research of in-vehicle digital navigation map.