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A traffic information acquisition system based on linear array CCD video camera imaging

A traffic information collection and camera technology, applied in road vehicle traffic control system, traffic control system, traffic flow detection, etc. High resolution and good effect

Inactive Publication Date: 2008-07-09
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of factors such as the resolution of the area array CCD and the low frame rate of the image, the measurement accuracy of some traffic information parameters such as vehicle speed is not high.

Method used

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  • A traffic information acquisition system based on linear array CCD video camera imaging
  • A traffic information acquisition system based on linear array CCD video camera imaging

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Embodiment Construction

[0014] The traffic information collection system based on linear array CCD imaging of the present invention, specific implementation scheme is as follows:

[0015] Referring to Fig. 1, Fig. 1 is the on-site layout plan view of the CCD imaging traffic information system configured for four lanes according to the present invention, according to Fig. 1: taking four lanes as an example, the traffic information collection system based on linear array CCD imaging of the present invention has Four linear array CCD cameras 1 (two for the uplink and two for the downlink), four auxiliary lighting lamps 2 (two for the uplink and two downlinks), each auxiliary lighting 2 is equipped with a ballast 3, Two light control switches 4 (one for the uplink and one for the downlink), six dedicated high-resolution auxiliary area cameras 5 (three for the uplink and three for the downlink, one of which is aligned with the lane dividing line) , each auxiliary area array camera 5 is equipped with an in...

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Abstract

The invention discloses a traffic information acquiring system based on linear CCD imaging, which comprises two linear CCD cameras spaced at a certain interval and disposed on a support above two road sections, each is provided with an auxiliary lighting headlight; and a plurality of auxiliary planar array cameras arranged at the position 15 m away from the front of the two linear CCD cameras and respectively located on the middle of a driveway and on the separating line of the driveway, wherein the auxiliary planar array cameras in the middle of the driveway can shoot vehicles passing the road, and the auxiliary planar array cameras in the driveway separating line can perform panning shot. When the vehicles pass the road section, the linear CCD cameras can acquire linear image data of the vehicles passing the road section; the acquired linear image data is processed and analyzed to obtain traffic parameters such as traffic flow, vehicle velocity, traffic stream density and road occupation rate, and the planar array cameras can shoot vehicle image which is analyzed and processed to obtain license plate information.

Description

technical field [0001] The invention belongs to the technical field of video processing, and relates to a traffic information collection system, in particular to a traffic information collection system based on linear array CCD imaging. The line array image acquires various traffic information parameters such as vehicle presence, vehicle speed, vehicle plane profile, vehicle type, traffic occupancy rate and flow, etc., to realize the monitoring and evaluation of road traffic conditions and the real-time detection of traffic incidents. technical background [0002] The real-time collection of road traffic information is one of the key contents of intelligent traffic information collection. It detects various traffic parameters such as traffic flow, vehicle speed, traffic density and road occupancy rate in real time on the road, and provides a basis for traffic planning, traffic management, and road maintenance. The department provides important data and execution basis, and p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01G08G1/017H04N7/18
Inventor 赵祥模宋焕生王国强李卫江徐志刚徐涛李娜刘占文郑贵桢高飞
Owner CHANGAN UNIV
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