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After introducing the past research achievements in the field of automatic selection of road network, the advantages and shortcomings of how to select the road network were underlined, then a new road selection algorithm to fetch up the shortcomings was put forward. First, the assessment criteria of the importance of road network were summarized and classified on the basis of constraints in road network...
To improve the accuracy of arterial mean speed estimation through data fusion in road traffic, this paper presented a speed estimation method based on space-matching fusion model. In the method, an urban road model is proposed, which divided road into several equal length segments. The loop detector data is matched to each segment by the adjusted coefficient. Because of the strongly complementary...
Because of shortage of raw materials, the energy-saving issues become popular in Vehicular Ad-hoc Networks (VANETs). A VANET is formed by traveling vehicles with communicating capability and thus it brings various applications. Navigation system is one of important applications in VANETs. The traditional navigation system usually plans a shortest path for users according to geographic maps but the...
The prediction of the traffic state can give the people the important traveling information. In this paper, the traffic state prediction problem is studied. A maximum entropy(ME) approach is proposed for the traffic state prediction, which consider the prediction process as a classification problem instead of predicting the traffic flow parameters. The traffic state is defined as six classes according...
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