×

Mapping road illumination

  • US 9,651,390 B1
  • Filed: 02/25/2016
  • Issued: 05/16/2017
  • Est. Priority Date: 02/25/2016
  • Status: Active Grant
First Claim
Patent Images

1. A method using vehicular high beam data to augment a geographic database, the method comprising:

  • receiving high beam data, wherein the high beam data is indicative of whether a vehicle'"'"'s high beams were active at a location on a road segment;

    receiving one or more roadway conditions for the location;

    calculating, by a processor, a high beam confidence value based on the high beam data and the one or more roadway conditions;

    calculating, by the processor, a high beam frequency for the road segment based on a plurality of high beam confidence values for one or more locations on the road segment; and

    augmenting, by the processor, the geographic database by including the high beam frequency for the road segment.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×