Traffic Flow Forecasting based on PCA and Wavelet Neural Network
Accurate short-term traffic flow forecasting has become a crucial step in the overall goal of better road network management A combination approach based on Principal Component Analysis (PCA) and Wavelet Neural Network (WNN) is presented for short-term traffic flow forecasting. The historical data of the forecasted traffic volume and interrelated volumes have been processed by PCA first, and then the results of PCA form the input data for WNN. The proposed method is applied to predict the real traffic flow in Yanta cross, Xian city, China. The forecast results show that this proposed method is better than the typical Back-Propagation neural network (BP NN) method with the same data.
forecasting principal component analysis Wavelet neural network
Gao Guorong Liu Yanping
College of Science, Northwest Agriculture & Forest University College of Science, Northwest A&F University Shanxi Yangling, China
国际会议
西安
英文
158-161
2010-08-07(万方平台首次上网日期,不代表论文的发表时间)