Traffic flow missing data restoration method based on TGO-SSA-FCM algorithm
The invention provides a traffic flow missing data restoration method based on a TGO-SSA-FCM algorithm. The method comprises the steps of obtaining an input data matrix of traffic flow, inputting the input data matrix into a TGO algorithm, determining a value range of a clustering number K in the TG...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The invention provides a traffic flow missing data restoration method based on a TGO-SSA-FCM algorithm. The method comprises the steps of obtaining an input data matrix of traffic flow, inputting the input data matrix into a TGO algorithm, determining a value range of a clustering number K in the TGO algorithm, and determining an initial clustering center corresponding to the clustering number K; parameters m and K in the FCM algorithm are substituted into an SSA algorithm, and the position of each sparrow in the SSA algorithm is initialized; inputting the input data matrix and the initial clustering centers C, m and K into an FCM algorithm, and calculating an FCM predicted value corresponding to each sparrow and a fitness value of each sparrow by the FCM; when it is judged that the termination condition of the SSA algorithm is met, the sparrow with the optimal fitness value serves as the global optimal sparrow, and the FCM predicted value corresponding to the global optimal sparrow serves as the predicted va |
---|