Virtual trip lines for distributed privacy-preserving traffic monitoring

  title={Virtual trip lines for distributed privacy-preserving traffic monitoring},
  author={Baik Hoh and Marco Gruteser and Ryan Herring and Jeff Ban and Daniel B. Work and Juan Carlos Herrera and Alexandre M. Bayen and Murali Annavaram and Quinn Jacobson},
Automotive traffic monitoring using probe vehicles with Global Positioning System receivers promises significant improvements in cost, coverage, and accuracy. Current approaches, however, raise privacy concerns because they require participants to reveal their positions to an external traffic monitoring server. To address this challenge, we propose a system based on virtual trip lines and an associated cloaking technique. Virtual trip lines are geographic markers that indicate where vehicles… CONTINUE READING
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