Method for detecting traffic conflicts at plane intersection based on video fusion
A technology of traffic conflict and video fusion, applied in traffic flow detection, closed-circuit television system, etc., to achieve strong persuasiveness, intuitive effect, and avoid large errors
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[0023] (1) Select 2 placement cameras in the 4 corners of the intersection ( figure 1 ). Place the camera on the tripod and raise it as high as possible; adjust the angle of each camera so that the pictures taken between the two cameras partially overlap, and the pictures taken by all cameras can cover the entire intersection. For convenience, the x-axis and y-axis of the on-site measurement coordinate system are positioned in two perpendicular directions at the intersection ( figure 2 ).
[0024] (2) Fuse the videos taken by each camera, analyze the merged panorama, and detect moving objects through video detection.
[0025] (3) Use video detection methods to determine the position, speed, direction angle and type of moving objects; record the number of moving objects entering the intersection in real time to complete traffic statistics; at the same time combine the types of moving objects and combine the following conversion values Table 1. Calculate the equivalent traffic volu...
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