Urban traffic volume acquisition method based on checkpoint and mobile phone flow bill data

A technology of calling bill data and acquisition method, applied in the field of traffic big data, can solve the problems of high cost of bayonet point layout and few points, and achieve the effect of solving the problem of poor positioning accuracy, easy acquisition and high stability

Inactive Publication Date: 2017-10-03
SOUTHEAST UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, due to the high cost of bayonet point layout, there are few points, and it is only suitable for analyzing the traffic status of specific road sections

Method used

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  • Urban traffic volume acquisition method based on checkpoint and mobile phone flow bill data
  • Urban traffic volume acquisition method based on checkpoint and mobile phone flow bill data
  • Urban traffic volume acquisition method based on checkpoint and mobile phone flow bill data

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Embodiment Construction

[0049] The present invention will be further described below in conjunction with embodiment and accompanying drawing.

[0050] The inventive method comprises the following steps and content:

[0051] 1. Obtain the latitude and longitude coordinates of the key locations of the research road network, and use the linear interpolation method to fill the road network coordinates with the required accuracy;

[0052] If the road network is manually managed, the workload will increase exponentially once the accuracy of the management is changed or a new road section is added. The present invention takes figure 1For example, the key position refers to the turning point or the intersection of the road section in the road network. For the road section determined by any two key positions, the linear interpolation method is used to fill the coordinates of the road section with the required accuracy to obtain the latitude and longitude coordinates of the interpolation point.

[0053] If t...

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Abstract

The invention discloses an urban traffic volume acquisition method based on checkpoint and mobile phone flow bill data. The urban traffic volume acquisition method comprises the steps of: acquiring latitude and longitude coordinates of critical positions of a research road network, and filling road network coordinates with required precision by adopting a linear interpolation method; extracting road sections having checkpoints in a range of the research road network, and selecting mobile phone flow bill data with latitude and longitude falling into a precision range specified by the road sections; acquiring features of the mobile phone flow bill data in the road sections having the checkpoints after aggregation; performing traffic volume aggregation on checkpoint data in the range of the research road network at specified time interval; and acquiring traffic volume of road sections which are not provided with checkpoints in the research road network through selecting a prediction model. The urban traffic volume acquisition method is based on a multi-source data fusion concept, combines the mobile phone flow bill data and the checkpoint data, eliminates the defect of insufficient data volume caused by poor precision of mobile phone flow bill data and few arranged checkpoint point locations through complementation, and fills in a gap in the application of the mobile phone flow bill data in urban road network.

Description

technical field [0001] The invention belongs to the field of traffic big data, and relates to a method for acquiring road section traffic volume of a city internal road network based on checkpoint data and mobile phone traffic bill data. Background technique [0002] The acquisition of road traffic status is an important basis for testing existing traffic operations and provides a data basis for solving urban traffic congestion problems. As one of the basic parameters to characterize the road traffic state, the traffic volume of urban road sections is an important index for traffic evaluation. [0003] The advent of the era of big data provides a new way to obtain traffic volume. Mobile phone traffic bill data is the record generated when mobile phone users connect to the Internet through mobile phones, including user tags, record time, record longitude, record latitude and other parameters. Mining the basic characteristics of urban traffic status through mobile phone traf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01
Inventor 刘志远刘洋邢吉平刘少韦华程启秀袁诗琳
Owner SOUTHEAST UNIV
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