Intersection turning vehicle number estimating method and system
A vehicle and number technology, which is applied in the field of vehicle movement characteristic law analysis, can solve the problem that the estimation method cannot cover all road sections and has large limitations.
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[0028] one
[0029] Such as figure 1 As shown, the method for estimating the number of turning vehicles at intersections divides the time period participating in the estimation into several time intervals according to equal lengths, and the length of each time interval is T. At the beginning of each T, it is necessary to Estimate the number of left-turning, right-turning, and straight-going vehicles that are about to turn; and, taking T as the length of the reference time period, set the integer w as the number of time T included in the time window, that is, W=w×T is The length of the time window. Based on this time plan, the method for estimating the number of turning vehicles at the intersection includes the following three modules and submodules thereof:
[0030] (1) Data collection module, which is responsible for collecting data related to the number of vehicles at intersections. The data that described data collection module needs to collect is divided into two kinds,...
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