Traffic flow condition classification for short sections using single microwave sensor

  • Authors:
  • Muhammed G. Cinsdikici;Kemal Memiş

  • Affiliations:
  • International Computer Institute, Ege University, Bornova, Turkey;Traffic Systems Department, Aselsan Mil. Electrnoics Company, ASELSAN Inc., İzmir, Turkey

  • Venue:
  • EURASIP Journal on Advances in Signal Processing - Special title on vehicular ad hoc networks
  • Year:
  • 2010

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Abstract

Daily observed traffic flow can show different characteristics varying with the times of the day. They are caused by traffic incidents such as accidents, disabled cars, construction activities and other unusual events. Three different major traffic conditions can be occurred: "Flow," "Dense" and "Congested". Objective of this research is to identify the current traffic condition by examining the traffic measurement parameters. The earlier researches have dealt only with speed and volume by ignoring occupancy. In our study, the occupancy is another important parameter of classification. The previous works have used multiple sensors to classify traffic condition whereas our work uses only single microwave sensor. We have extended Multiple Linear Regression classification with our new approach of Estimating with Error Prediction. We present novel algorithms of Multiclassification with One-Against-All Method and Multiclassification with Binary Comparison for multiple SVM architecture. Finaly, a non-linear model of backpropagation neural network is introduced for classification. This combination has not been reported on previous studies. Training data are obtained from the Corsim based microscopic traffic simulator TSIS 5.1. All performances are compared using this data set. Our methods are currently installed and running at traffic management center of 2.Ring Road in Istanbul.