Fine division and identification method of urban traffic status based on multi-source trajectory data
A traffic state and urban traffic technology, applied in the traffic control system of road vehicles, traffic control system, data processing application, etc., can solve the problem that it is difficult to flexibly reflect the actual difference of road traffic conditions, so as to improve the credibility and expand the The effect of data volume
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[0053] Please refer to figure 1 , the present invention provides a method for finely dividing and identifying urban traffic states based on multi-source trajectory data. The specific implementation is as follows:
[0054] Step S1: collect data;
[0055] In this embodiment, taking Xiamen Island as the research area, the experimental data used includes two types: floating car trajectory data and road network data.
[0056] The track data of the floating car, including the track data of taxis in Xiamen and the track data of buses in Xiamen, come from the regular records of the vehicle-mounted GPS positioning device. Trajectory data mainly comprises the basic information such as vehicle serial number, time, position, speed, taxi passenger status, bus belonging line, and present embodiment has chosen on June 15th, 2015 (Monday) morning rush hour (7:00-9 :00) of bus and taxi trajectory data after preprocessing, the trajectory data set reaches 511,401, including 147,331 bus trajec...
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