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Method and device for detecting the alertness of a vehicle driver

  • US 9,731,727 B2
  • Filed: 03/18/2016
  • Issued: 08/15/2017
  • Est. Priority Date: 04/08/2015
  • Status: Active Grant
First Claim
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1. A method for ascertaining an alertness of a vehicle driver, characterized by the steps:

  • detecting a potentially dangerous situation by a system of the vehicle;

    detecting at least one optical feature of the vehicle as a reference point, the at least one optical feature having a known position on the vehicle;

    receiving at least one image recorded by a camera unit;

    estimating a visual observation field of the vehicle driver by comparing the at least one image with the position of the at least one optical feature; and

    detecting the alertness of the vehicle driver by comparing an orientation or a position of the potentially dangerous situation to the visual observation field of the vehicle driver.

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