Traffic Flow Forecasting Based on Combination of Multidimensional Scaling and SVM

Article

Abstract

Traffic flow forecasting is a popular research topic of Intelligent Transportation Systems (ITS). With the development of information technology, much historical electronic traffic flow data have been collected. How to take full use of the historical traffic flow data to improve the traffic flow forecasting precision is an important issue. As more history data are considered, more computation cost is incurred. In traffic flow forecasting, many traffic parameters can be chosen to forecast traffic flow. Traffic flow forecasting is a real-time problem, how to improve the computation speed is a very important problem. Feature extraction is an efficient means to improve computation speed. Some feature extraction methods have been proposed, such as PCA, SOM network, and Multidimensional Scaling (MDS). But PCA can only measure the linear correlation between variables. The computation cost of SOM network is very expensive. In this paper, MDS is used to decrease the dimension of traffic parameters, interpolation MDS is used to increase computation speed. It is combined with nonlinear regression Support Vector Machines (SVM) to forecast traffic flow. The efficiency of the method is illustrated through analyzing the traffic data of Jinan urban transportation.

Keywords

Intelligent transportation Traffic flow forecasting Multidimensional scaling SVM Interpolation 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Key Laboratory for Computer Network of Shandong ProvinceShandong Computer Science CenterJinanChina
  2. 2.School of Informatics and Computing, Pervasive Technology InstituteIndiana University BloomingtonBloomingtonUSA

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