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Method for classification of eye closures

  • US 9,117,358 B2
  • Filed: 07/26/2012
  • Issued: 08/25/2015
  • Est. Priority Date: 09/02/2011
  • Status: Active Grant
First Claim
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1. A method for improving the reliability of a portion of physiological data from an image sensor monitoring an operator positioned in an operator compartment of a vehicle, the method comprising:

  • receiving, from the image sensor, physiological data comprising information relating to at least one of eye, face, head, arms and body motion of the operator;

    identifying an indication of at least one of an eyelid closure, eye movement and head movement of the operator based on the physiological data;

    comparing at least one of the physiological data and a lighting condition within the operator compartment with a set of rules for a current operator status; and

    classifying a type of at least one of eyelid closure, eye movement and head movement by correlating the identified indication of the at least one of eyelid closure, eye movement and head movement and a result of the comparison.

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