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基于低频浮动车数据的实时地图匹配算法

Keywords: 浮动车,地图匹配,最短路算法,模糊逻辑推理

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Abstract:

在考虑GPS误差等影响因素的前提下,按照5min时间间隔为单位,对该时间段的GPS点筛选候选匹配链路;然后利用最短路算法获得浮动车行驶的候选径路集,并通过模糊逻辑推理确定最终行驶径路,实现低频浮动车数据的地图匹配;最后,基于北京市采集的浮动车高频数据,利用不同频率下随机抽取低频数据对算法进行验证.

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