Research Article

Prediction of Ship Traffic Flow and Congestion Based on Extreme Learning Machine with Whale Optimization Algorithm and Fuzzy c-Means Clustering

Table 1

Classification of ship congestion adopted in this study.

Congestion levelIIIIIIIV

DescriptionSmooth flowMild congestionModerate congestionSevere congestion
Congestion index range(0, 0.3](0.3, 0.6](0.6, 0.8](0.8, 1]