Video based mixed traffic flow parameter detecting method

A technology of mixed traffic and detection methods, which is applied in the direction of traffic flow detection, color TV parts, TV system parts, etc., can solve the problem of not being able to obtain mixed traffic flow parameters, and achieve huge engineering application economic value and important social meaning effect

Inactive Publication Date: 2007-08-29
JILIN UNIV
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the problem that the existing technology cannot obtain the mixed traffic flow parameters, and adopt a computer program to provide a video-based detection method for the mixed traffic flow parameters

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  • Video based mixed traffic flow parameter detecting method
  • Video based mixed traffic flow parameter detecting method
  • Video based mixed traffic flow parameter detecting method

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Embodiment Construction

[0057] Below in conjunction with accompanying drawing and embodiment the present invention will be described in further detail:

[0058]Referring to Fig. 1, the video detection system of the city's mixed traffic flow parameters is composed of hardware and software, that is, the hardware part of the video acquisition and transmission equipment and the video detection computer program part of the mixed traffic flow parameters. The detection method of mixed traffic flow parameters based on video is a video detection method of mixed traffic flow parameters realized by applying a self-compiled computer program on the basis of existing hardware equipment. Completely speaking, it includes the following steps: installing hardware equipment, obtaining traffic Video frame, initialization, background expression and update, shadow detection, object recognition, motion tracking, obtaining mixed traffic flow parameters and processing the obtained mixed traffic flow parameters to obtain accur...

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Abstract

This invention discloses a mixed traffic flow parameters detection method based on video. The method is the application of computer program on the basis of existing hardware to realize the video detection method, including the following steps: installing hardware equipment, acquiring traffic video frame, initialization, background model, shadow detection, object recognition, motion tracking, accessing the mixed traffic flow parameters and processing the received parameters getting the accurate control parameters to manage and control traffic through hardware device. Among them, the initialization step includes detection area selection, traffic scene location mapping and background initialization. The invention can access the micro-traffic behavior according to the action tracking, such as: accelerating, changing lane, stop, turning and reverse.

Description

technical field [0001] The invention relates to a method for acquiring traffic state parameters in an urban traffic management system, in particular to a video-based detection method for mixed traffic flow parameters. Background technique [0002] At present, traffic flow parameter detectors are mainly video detectors, microwave detectors, ground sense coil detectors, radar detectors and ultrasonic detectors, which can obtain basic parameters of traffic flow, such as: speed, flow rate, occupancy rate, vehicle type, etc. Realize the intelligent management of urban traffic. Among them, the urban traffic management system mainly uses the ground sense coil detector to obtain traffic flow parameters and then realize signal control, but the detector cannot realize the acquisition of pedestrian and bicycle traffic flow parameters, and can only be used for motor vehicle traffic flow signal control, and the detector Once damaged, the driveway needs to be closed for maintenance. Mic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01H04N5/14G06T7/00
CPCG06K9/00785G06V20/54
Inventor 曲昭伟王殿海李志慧陈永恒宋现敏胡宏宇陈红艳
Owner JILIN UNIV
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