Real-time system for monitoring driver vigilance

  • Authors:
  • L. M. Bergasa;J. Nuevo;M. A. Sotelo;R. Barea;M. E. Lopez

  • Affiliations:
  • Dept. of Electron., Univ. of Alcala, Madrid;-;-;-;-

  • Venue:
  • IEEE Transactions on Intelligent Transportation Systems
  • Year:
  • 2006

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Abstract

This paper presents a nonintrusive prototype computer vision system for monitoring a driver's vigilance in real time. It is based on a hardware system for the real-time acquisition of a driver's images using an active IR illuminator and the software implementation for monitoring some visual behaviors that characterize a driver's level of vigilance. Six parameters are calculated: Percent eye closure (PERCLOS), eye closure duration, blink frequency, nodding frequency, face position, and fixed gaze. These parameters are combined using a fuzzy classifier to infer the level of inattentiveness of the driver. The use of multiple visual parameters and the fusion of these parameters yield a more robust and accurate inattention characterization than by using a single parameter. The system has been tested with different sequences recorded in night and day driving conditions in a motorway and with different users. Some experimental results and conclusions about the performance of the system are presented