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Group division and difference analysis method and system based on traffic safety risk

A technology for group division and traffic safety. It is applied in traffic control systems, road vehicle traffic control systems, and traffic flow detection. It can solve the problems of limited application scenarios of traffic safety management, and achieve the effect of long calculation time and time cost saving.

Active Publication Date: 2021-06-11
JIANGSU ZHITONG TRANSPORTATION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Using machine learning methods to predict the probability of traffic accidents of traffic participants can calibrate a clear safety risk indicator for each driver and vehicle with traffic violations and accident records. The application scenarios of traffic safety management are relatively limited

Method used

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  • Group division and difference analysis method and system based on traffic safety risk
  • Group division and difference analysis method and system based on traffic safety risk
  • Group division and difference analysis method and system based on traffic safety risk

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Embodiment

[0029] A group division and difference analysis method based on traffic safety risks, taking drivers and motor vehicles as objects, and using an integrated learning algorithm to calibrate the safety risks of the objects, on this basis, perform group division, and identify significant differences through statistical methods indicators; such as figure 1 , the specific steps are:

[0030] S1. Determine the objects of traffic participants, including drivers and motor vehicles; obtain the historical records of traffic violations and traffic accidents according to the information of the target objects as sample data.

[0031] In the embodiment, the target object information of the driver is the certificate number, and the target object information of the motor vehicle is the combination of plate type and plate number; the time range of historical records is usually more than 1 year to ensure a sufficient sample size.

[0032] S2. Construct a risk degree prediction model of the targ...

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Abstract

The invention provides a method and system for group division and difference analysis based on traffic safety risks. Taking drivers and motor vehicles as objects, the safety risks of the objects are calibrated through an integrated learning algorithm, and group division is carried out on this basis, and statistically The method identifies the significant difference index; the present invention excavates its characteristics from the traffic behavior performance of the traffic participants based on the integrated learning algorithm, and calibrates its safety risk degree. At the same time, in order to overcome the problem of the lack of interpretation of the integrated learning algorithm in the process of security risk calibration, Fisher Fisher's exact test is used to identify the significant difference indicators between groups, so as to accurately describe the characteristics of each risk level group, as Active traffic safety management provides data support.

Description

technical field [0001] The invention relates to a group division and difference analysis method and system based on traffic safety risks. Background technique [0002] Using machine learning methods to predict the probability of traffic accidents of traffic participants can calibrate a clear safety risk indicator for each driver and vehicle with traffic violations and accident records. The application scenarios of traffic safety management are relatively limited. [0003] Under such application conditions, reducing data granularity and identifying key security features from a group perspective has a more realistic guiding role in proactive security governance. Therefore, there is an urgent need for a method and system for group division and difference analysis based on traffic safety risks to achieve the above objectives. Contents of the invention [0004] The purpose of the present invention is to provide a group division and difference analysis method and system based ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/01G06Q10/06
CPCG06Q10/0635G08G1/0104G08G1/0125G08G1/0129G08G1/0133
Inventor 刘林吕伟韬陈凝饶欢
Owner JIANGSU ZHITONG TRANSPORTATION TECH