目前，车辆智能导航系统开发的一个难点是基于实时交通信息预测的动态路径规划。

At present, dynamic vehicle route planning based on real-time traffic information prediction is a difficult problem in the development of intelligent vehicle navigation system.

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其中，交通流预测尤其是短时交通流预测是动态路径规划中决定道路权重的重要因子。

Among them, traffic flow prediction especially short-term traffic flow prediction is an important factor, which decided the road weights in dynamic path planning.

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交通网络模型、路径规划算法以及交通流预测是车辆导航动态路径规划需要解决的重点问题。

The key problems of vehicle navigation dynamic path planning are traffic network model, path planning algorithm and traffic flow prediction.

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