Now showing items 1-2 of 2

  • Commercial motor vehicle health and fatigue study : final report 

    Wiegand, Douglas M.; Hanowski, Richard J. (Richard Joseph); McDonald, Shelby E. (Virginia Tech Transportation Institute, 2009-02-11)
    Fatigue is a major risk factor in commercial motor vehicle operations, identified in naturalistic driving studies as a contributing factor in approximately 20 percent of safety-critical incidents. Understanding the nature ...
  • Development and evaluation of a naturalistic observer rating of drowsiness protocol : final report 

    Wiegand, Douglas M.; McClafferty, Julie; McDonald, Shelby E.; Hanowski, Richard J. (Richard Joseph) (Virginia Tech Transportation Institute, 2009-02-25)
    VTTI researchers have developed a method for rating driver drowsiness based on the evaluation of naturalistic video footage of the driver's face and upper torso. This measure, referred to as the Observer Rating of Drowsiness ...