High-point video monitoring congestion event detection method

A technology for video surveillance and event detection, applied in traffic control systems, computer parts, traffic control systems for road vehicles, etc. Solve traffic congestion and realize the effect of automatic inspection

Pending Publication Date: 2021-02-05
博云视觉(北京)科技有限公司
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Problems solved by technology

But its shortcomings are also obvious: the target is small, it is difficult to do target detection, and it is difficult to meet engineering applications based on detection and tracking technology

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  • High-point video monitoring congestion event detection method
  • High-point video monitoring congestion event detection method
  • High-point video monitoring congestion event detection method

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Embodiment Construction

[0054] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. The specific embodiments described here are only used to explain the present invention, not to limit the invention.

[0055] Such as figure 1 As shown, a high-point video monitoring congestion event detection method of the present embodiment uses the video captured by a high-point monitoring camera with a fixed erection height of tens of meters to detect traffic congestion, including the following steps:

[0056] S1. Manually calibrate the ROI area of ​​the road that needs to be detected and tracked in a frame of video captured by the surveillance camera. If simply calculating the percentage of the vehicle target pixels occupying the pixels of the entire road area, the calculated result cannot truly reflect the vehicle’s position on the road. Distribution, so the ROI area is...

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Abstract

The invention belongs to the field of traffic jam event detection, and particularly discloses a high-point video monitoring jam event detection method, which comprises the following steps of: aiming at a high-point monitoring camera with the erection height of dozens of meters, manually calibrating a road ROI (Region Of Interest) area needing to be detected and tracked in a frame of image in a video shot by the monitoring camera; segmenting the ROI region into a plurality of segmented ROI regions; detecting a static foreground target pixel and a moving foreground target pixel in the ROI basedon a traditional background modeling and foreground detection technology and an inter-frame difference method, wherein the target pixels are vehicles; calculating the space occupancy of the static foreground target pixel and the moving foreground target pixel in the single-frame image; setting continuous multi-frame images as a sampling period, calculating the space occupancy of a static vehicle target and a moving vehicle target in the sampling period, and judging the congestion state in the sampling period; and finally, carrying out long-time-domain space congestion statistical analysis andjudging a congestion event.

Description

technical field [0001] The invention relates to the field of detection of traffic congestion events, in particular to a detection method for high-point video monitoring congestion events. Background technique [0002] With the rapid development of Chinese cities, more and more people are gathering in cities, and the urban population is growing rapidly. Due to the improvement of people's living standards and the rapid increase in the number of private cars, the urban traffic situation is getting worse and worse, and traffic congestion has become a persistent problem in urban traffic. This situation is more prominent in regional central cities. The hidden events behind the traffic congestion incidents, what causes the traffic congestion, how to solve the traffic congestion faster, and how to take effective measures to prevent traffic congestion are issues that must be paid attention to in urban development at present. [0003] There are many reasons for traffic congestion: u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/32G08G1/065
CPCG08G1/065G06V20/52G06V10/25G06V2201/08
Inventor 韩梦江陈杰
Owner 博云视觉(北京)科技有限公司
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