Short-time traffic flow prediction method based on long-time and short-time memory recurrent neural network
A recursive neural network and long-short-term memory technology, applied in the field of intelligent transportation systems, can solve problems such as inability to memorize historical traffic flow data, unsatisfactory prediction accuracy, and inability to dynamically determine the optimal history length, etc., to achieve good scalability and high prediction The effect of precision
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[0041] This embodiment provides a short-term traffic flow prediction method based on a long and short-term memory recurrent neural network. The method includes the following steps:
[0042] Step S1: Aggregate historical traffic flow data according to the predicted time interval;
[0043] The historical traffic flow data comes from a traffic data collection system, and can be obtained through methods such as coil detection, microwave sensors, and video monitoring.
[0044] The historical traffic flow data obtained is the number of vehicles passing by a specific observation point or road section within a certain time interval. The specified time interval may be specified according to predicted demand (for example, 15 minutes).
[0045] A number of traffic flow data within a specified time interval of each observation point or road section are respectively accumulated to obtain traffic flow data at a specified time interval of each observation point. The following traffi...
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