Volume 35 Issue 10
Oct.  2009
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Article Contents
Zhu Tongyu, Guo Shengmin, Lü Weifeng, et al. FCD based information processing model in parallel road network[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(10): 1232-1236. (in Chinese)
Citation: Zhu Tongyu, Guo Shengmin, Lü Weifeng, et al. FCD based information processing model in parallel road network[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(10): 1232-1236. (in Chinese)

FCD based information processing model in parallel road network

  • Received Date: 14 Oct 2008
  • Publish Date: 31 Oct 2009
  • Limited by the poor GPS locating precision, it is quite difficult to implement map matching and path deriving procedures in the parallel road network by FCD (floating car data) technology, which affects the traffic information accuracy directly. On the basis of existing FCD information processing framework, some approaches were applied to improve map matching performance. And then, the freeway and service road paths were both viewed as vehicle trajectories, so as to reduce the probability of inaccurate path deriving effectively. Finally, the evidential reasoning framework was introduced to address the information unlikelihood and information conflict issues after the path selecting strategy adjustment. Contrast experiment shows that the traffic information accuracy on freeway and service road was improved about 14.26% and 9.46% respectively after employing our modified model.

     

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