Traffic situation display method, traffic situation display system, in-vehicle device, and computer program

  • US 8,169,339 B2
  • Filed: 06/05/2009
  • Issued: 05/01/2012
  • Est. Priority Date: 12/05/2006
  • Status: Active Grant
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First Claim
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1. A traffic situation display method for displaying a traffic situation in a traffic situation display system, the method comprising:

  • transmitting image data obtained by imaging an imaging region including roads from a road-side device and imaging orientation information identifying the imaging orientation of the road-side device;

    receiving image data of different imaging orientations and the imaging orientation information, in an in-vehicle device;

    detecting an advancing orientation of a vehicle in which the in-vehicle device is mounted;

    selecting an image to be displayed on the basis of the detected advancing orientation and the received imaging orientation information;

    displaying, by the in-vehicle device, the selected the image;

    storing, by the road-side device, corresponding information in which a pixel coordinate in the image and positional information of the imaging region are corresponded to each other;

    transmitting, by the road-side device, the stored corresponding information;

    receiving, by the in-vehicle device, the corresponding information;

    acquiring, by the in-vehicle device, positional information of an own vehicle;

    specifying, by the in-vehicle device, an own vehicle position on the image on the basis of the received corresponding information and the acquired positional information; and

    displaying, by the in-vehicle device, the specified own vehicle position on the image.

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