Highway traffic flow prediction method based on convolutional neural network
A convolutional neural network and expressway technology, applied in the field of expressway traffic flow prediction, can solve problems such as unfavorable road network regulation and difficulty in effectively utilizing the spatial characteristics of the traffic network
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[0026] The present invention will be described in detail below in conjunction with the accompanying drawings. Such as figure 1 Shown is a flow chart of the method for predicting traffic flow of expressway based on convolutional neural network in the present invention. In the present invention, the time interval for counting the traffic flow of each road section is 15 minutes, which are respectively called the i-th time period, and i is a positive integer greater than or equal to 1. The external factor data includes fields such as weather, whether it is a holiday, whether it is a weekend, the maximum temperature of the day, the minimum temperature of the day, the maximum wind speed of the day, and the minimum wind speed of the day. The external factor data is collected in units of days. In order to predict the traffic flow of p consecutive road segments in an area in the tth time period, t≥1345. Specific steps are as follows:
[0027] Step 1), the traffic flow of all road se...
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