Table 1.
Traffic flow research based on data collected by vehicle detectors.
Fig 1.
Schematic diagram of spatial information coding.
Fig 2.
Layout of sampling points for traffic flow data.
Fig 3.
The description of traffic flow data collection and vehicle detection region.
Fig 4.
Layout of the detection region.
Fig 5.
Storage of vehicle information.
Fig 6.
Example of missing data.
Fig 7.
Flow chart of traffic flow data quality control method.
Fig 8.
Traffic flow data on different cross-sections.
Fig 9.
Similarity of traffic flow data between cross-sections with different horizontal transition lengths (cross-section 4).
Fig 10.
Traffic flow data on cross-section 3.
Fig 11.
Similarity of traffic flow data between cross-sections with different horizontal transition lengths (cross-section 3).
Fig 12.
Filling of continuous missing data on cross-section 3.
Fig 13.
Structure and parameter settings of the repair model.
Table 2.
Ranges of hyperparameters.
Table 3.
The weight matrix and activation function in the LSTM model.
Fig 14.
Analysis of quality control effect of traffic flow data.
Fig 15.
Comparison of random missing data repair errors.
Fig 16.
Comparison of continuous missing data repair errors.