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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2011  >  11(3): 118-126
ZOU Hai-xiang, LE Yang, LI Qing-quan, YE Jia-an. Traffic data interpolation method of non-detection road link based on Kriging interpolation[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 118-126. doi: 10.19818/j.cnki.1671-1637.2011.03.020
Citation: ZOU Hai-xiang, LE Yang, LI Qing-quan, YE Jia-an. Traffic data interpolation method of non-detection road link based on Kriging interpolation[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 118-126. doi: 10.19818/j.cnki.1671-1637.2011.03.020
shu

Traffic data interpolation method of non-detection road link based on Kriging interpolation

doi: 10.19818/j.cnki.1671-1637.2011.03.020
  • 1.

    School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, Hubei, China

  • 2.

    State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, Hubei, China

  • 3.

    Engineering Research Center for Spatio-temporal Data Smart Acquisition and Application of Ministry of Education, Wuhan 430079, Hubei, China

  • 4.

    Centre of Urban Planning and Environmental Management, The University of Hong Kong, Hong Kong, China

More Information
  • Author Bio:

    ZOU Hai-xiang(1983-), male, doctoral student, +86-27-68778035, zou.mono@gmail.com

    LI Qing-quan(1965-), male, professor, PhD, +86-27-68778035, qqli@whu.edu.cn

  • Received Date: 2011-01-18
  • Publish Date: 2011-06-25
    Abstract
  • From the diffused characteristic of traffic flow and prior knowledge, Kriging interpolation was adopted to interpolate the traffic data of non-detection road link. Based on the spatial correlation of traffic data, a spatial model of traffic data was built. The spatial distance was adopted as metric to estimate the unsampled traffic data of road link. The road link travel speeds of Nanchang's road network were used as experiment data, which were collected from urban floating car system, and the method was verified. Experiment result shows that the standard errors of speed interpolations are always lower than 8 km·h-1 in different urban traffic time periods. Downtown zone and lake zone have different road network structures, and their mean absolute errors of speed interpolations are 2-5 km·h-1.So the method has good temporal and regional portabilities.

     

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