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Transfer Learning With Spatial-Temporal Graph Convolutional Network for Traffic Prediction
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AI
DOI：10.1109/TITS.2023.3250424.png)
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摘要
En 中文
Accurate spatial-temporal traffic modeling and prediction play an important role in intelligent transportation systems (ITS). Recently, various deep learning methods such as graph convolutional networks (GCNs) and recurrent neural networks (RNNs) have been widely adopted in traffic prediction tasks to extract spatial-temporal dependencies based on a large volume of high-quality training data. However, there exist data scarcity problems in some transportation networks, and in these cases, the performance of traditional GCNs and RNNs based approaches will degrade sharply. To address this problem, this paper proposes an adversarial domain adaptation with spatial-temporal graph convolutional network (Ada-STGCN) model to predict traffic indicators for a data-scarce target road network by transferring the knowledge from a data-sufficient source road network. Specifically, Ada-STGCN first develops a spatial-temporal graph convolutional network that combines the GCN and gated recurrent unit (GRU) to extract spatial-temporal dependencies from source and target road networks. Then, the technique of adversarial domain adaptation is integrated with the spatial-temporal graph convolutional network to learn discriminative and domain-invariant features to facilitate knowledge transfer. Experimental results on the real-world traffic datasets in the traffic flow prediction task demonstrate that our model yields the best prediction performance compared to state-of-the-art baseline methods.
Keyword:
Roads
Transfer learning
Convolutional neural networks
Feature extraction
Task analysis
Data models
Convolution
Intelligent transportation system
traffic prediction
graph convolutional network
transfer learning
adversarial domain adaptation
期刊
IF:
8.4
论文数:
9.7K
被引数:
6.3W
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