Automated estimation of average stopped delay at signalized intersections

  • US 20050105773A1
  • Filed: 09/23/2004
  • Published: 05/19/2005
  • Est. Priority Date: 09/24/2003
  • Status: Active Grant
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First Claim
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1. A method for estimating an average stopped delay per vehicle at a signalized intersection, comprising:

  • initializing background intensities of a line of pixels in a digital image of an actual traffic lane without vehicles;

    identifying vehicle location through measuring intensities of the line of pixels in another digital image of the actual traffic lane with vehicles;

    calculating a stopped delay for each vehicle or digital image with vehicles; and

    calculating the average stopped delay per vehicle.

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