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EYELID DETECTION APPARATUS, EYELID DETECTION METHOD AND PROGRAM THEREFOR

  • US 20080226139A1
  • Filed: 03/13/2008
  • Published: 09/18/2008
  • Est. Priority Date: 03/15/2007
  • Status: Active Grant
First Claim
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1. An eyelid detection apparatus comprising:

  • a face-image storing means for storing an image of a face of a subject;

    an eyelid-candidate extracting means for processing the image stored in the face-image storing means to extract a pair of lines, which becomes a candidate of a combination of a line corresponding to an upper eyelid and a line corresponding to a lower eyelid;

    a parameter calculating means for calculating a parameter, which indicates a possibility that a part of the image stored in the face-image storing means, the part corresponding to the pair of lines extracted by the eyelid-candidate extracting means, includes at least one of outer and inner corners of an eye; and

    an eyelid detecting means for detecting a position of an eyelid of the subject on the basis of the parameter calculated by the parameter calculating means.

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