Highway long-term side-by-side running identification method and system

A technology of expressway and identification method, which is applied to the traffic control system, traffic control system, character and pattern recognition of road vehicles, etc. Coverage, improve the effect of recognition efficiency

Active Publication Date: 2018-11-23
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is a traffic violation for a driver to use a mobile phone to take pictures while driving, which limits the role of the traffic violation reporting platform to a certain extent
However, taking pictures by the traffic police requires a lot of manpower and material resources
The video detection is generally fixed-point detection, such as the illegal camera installed by the traffic control department on the expressway, which is expensive and has low coverage, and the camera itself does not have the function of illegal detection, and still needs manual intervention

Method used

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  • Highway long-term side-by-side running identification method and system
  • Highway long-term side-by-side running identification method and system
  • Highway long-term side-by-side running identification method and system

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Embodiment Construction

[0033] The long-term side-by-side driving recognition system and method proposed by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0034] Such as figure 1 As shown, the expressway long-term side-by-side driving recognition method of the present invention comprises the following steps:

[0035] S1. Obtain the video collected by the driving recorder and decode it into continuous frame pictures.

[0036] S2. Recognize license plate colors and license plate images of different vehicles in front from each frame of pictures. This step can be divided into the following sub-steps:

[0037] S2.1. Convert continuous frame pictures from RGB space to HSV space In addition, after converting continuous frame pictures to HSV space, the image quality can also be improved by linear transformation image enhancement method, specifically including: analyzing the HSV color of the captured image The relationship between the S and V compon...

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Abstract

The invention discloses a highway long-term side-by-side running identification method and system. The method comprises the following steps of (1) acquiring a video acquired by a driving recorder anddecoding the video into continuous frame pictures; (2) identifying vehicle license plate colors and vehicle license plate images of different front vehicles from the frame pictures; (3) based on the areas of the identified vehicle license plate colors and vehicle license plate images, the areas of the whole frame images and internal fixed parameters of a camera, calculating distances between the driving recorder and the different front vehicles; and (4) calculating difference values of the distances between the driving recorder and the different front vehicle at different moments, so as to identify whether the front vehicles are in a long-term side-by-side running state or not. According to the identification method and system, a large amount of manpower can be saved, the identification efficiency is improved, and meanwhile, the high coverage rate is achieved.

Description

technical field [0001] The invention relates to a recognition method and system for parallel driving, in particular to a recognition method and system for long-term vindictive parallel driving on expressways. Background technique [0002] my country's expressways are developing rapidly, and the expressway mileage ranks first in the world. However, if the two cars run side by side for a long time, it is easy to disperse the driver's attention from the front to the left and right, causing nervousness and greatly increasing the probability of accidents. At the same time, it will seriously affect the overtaking of the vehicles behind, causing consequences such as traffic jams. Existing methods for detecting long-term side-by-side driving are manual detection and video detection. Manual detection is generally taken by drivers or traffic police using mobile phones. However, it is a traffic violation for a driver to use a mobile phone to take pictures while driving, which limits...

Claims

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Application Information

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IPC IPC(8): G06K9/00G07C5/08G08G1/017
CPCG07C5/0866G08G1/0175G06V20/40G06V20/584G06V20/625
Inventor 张凯王宝生
Owner NANJING UNIV OF INFORMATION SCI & TECH
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