Eye opening detection system and method of detecting eye opening

Eye opening detection system and method of detecting eye opening

  • CN 101,523,411 B
  • Filed: 11/06/2007
  • Issued: 04/29/2015
  • Est. Priority Date: 11/06/2006
  • Status: Active Grant
First Claim
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1. an eye opening degree detection system, comprises the first imaging device (120), and it is for obtaining the image of the face of detected object;

  • Edge extraction device (140), it is for extracting the edge of the described image of acquisition;

    And upper and lower eyelid detection apparatus (140), it is for detecting upper eyelid and the palpebra inferior of described detected object according to the described edge extracted, wherein, with reference to the distance between the described upper eyelid detected and described palpebra inferior to judge the eye aperture of described detected object, the feature of described eye opening degree detection system isDescribed upper and lower eyelid detection apparatus (140) detects described upper eyelid based on the picture frame of multiple Time Continuous by utilizing described upper eyelid to move more feature in the process of nictation compared with the other parts of eye, position with reference to the described upper eyelid detected determines the position of the search window detecting described palpebra inferior, then detects described palpebra inferior at the described search window being positioned at the described position determined.

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