摘要
综合考虑车辆行驶的位置、方向以及与GPS定位轨迹的相似性,提出了基于权重的地图匹配算法.该算法将GPS定位数据转换成道路网络的弧的权重,然后根据弧的权重大小来确定车辆当前行驶的道路.在算法中利用道路的拓扑结构使算法简单,使定位数据减少,节约计算资源.仿真结果表明,此算法具有很好的实用价值.
The position ,the direction ,and the comparability of the positioning trajectory comprehensively are considered. The algorithm converts GPS data into weight of arcs of road network, then the road is decided on which the vehicle is moving according to the weight of the arcs,and it makes use of the road network topology to simplify the algorithm. It also reduces the data of GPS so as to spare the calculation resource. Experimental results show that it has great practicability.
出处
《华北水利水电学院学报》
2008年第1期81-83,共3页
North China Institute of Water Conservancy and Hydroelectric Power
基金
科技部创新基金项目(04C26224101278)
关键词
权重
地图匹配
GPS定位
weight
map matching
Global Positioning System （GPS）
