3D integrated freeway traffic event automatic detection method
A technology for highways and traffic incidents, applied in the direction of traffic flow detection, etc., can solve problems such as low speed, high occupancy rate, and no consideration of traffic flow parameters, etc., to achieve the effect of speeding up detection time and reducing false alarm rate
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[0039] As shown in Fig. 1, the hardware part of the present invention comprises monitor, computer and alarm impact, and after computer analyzes the detector data that is provided with on expressway, determines whether to start alarm device to send alarm signal.
[0040] As shown in Figure 2, the three-dimensional integrated highway traffic event automatic detection method is characterized in that according to the analysis of the detection data of the highway detector, it is judged whether to send an alarm signal, which specifically includes the following steps: system initialization: read lane flow-speed Threshold, lane occupancy-flow threshold, lane speed-occupancy threshold; start enable flag; read real-time traffic flow data, read all detector data respectively; The lane occupancy rate-flow algorithm module, the longitudinal dimension detection module, that is, the lane speed-occupancy rate algorithm module and the integrated judgment module, make judgments based on all moni...
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