Parallel Multi-Graph Convolution Network For Metro Passenger Volume
Prediction
- URL: http://arxiv.org/abs/2109.00924v1
- Date: Sun, 29 Aug 2021 13:07:18 GMT
- Title: Parallel Multi-Graph Convolution Network For Metro Passenger Volume
Prediction
- Authors: Fuchen Gao, Zhanquan Wang, Zhenguang Liu
- Abstract summary: This paper proposes a deep learning model composed of Parallel multi-graph convolution and stacked Bidirectional unidirectional Gated Recurrent Unit (PB-GRU)
Experiments on two real-world datasets of subway passenger flow show the efficacy of the model.
- Score: 8.536743588315696
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Accurate prediction of metro passenger volume (number of passengers) is
valuable to realize real-time metro system management, which is a pivotal yet
challenging task in intelligent transportation. Due to the complex spatial
correlation and temporal variation of urban subway ridership behavior, deep
learning has been widely used to capture non-linear spatial-temporal
dependencies. Unfortunately, the current deep learning methods only adopt graph
convolutional network as a component to model spatial relationship, without
making full use of the different spatial correlation patterns between stations.
In order to further improve the accuracy of metro passenger volume prediction,
a deep learning model composed of Parallel multi-graph convolution and stacked
Bidirectional unidirectional Gated Recurrent Unit (PB-GRU) was proposed in this
paper. The parallel multi-graph convolution captures the origin-destination
(OD) distribution and similar flow pattern between the metro stations, while
bidirectional gated recurrent unit considers the passenger volume sequence in
forward and backward directions and learns complex temporal features. Extensive
experiments on two real-world datasets of subway passenger flow show the
efficacy of the model. Surprisingly, compared with the existing methods, PB-GRU
achieves much lower prediction error.
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