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Head-top detecting method, head-top detecting system and a head-top detecting program for a human face

  • US 20050147304A1
  • Filed: 12/03/2004
  • Published: 07/07/2005
  • Est. Priority Date: 12/05/2003
  • Status: Active Grant
First Claim
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1. A head-top detecting method for detecting a head-top of a human face from an image with the human face included therein, the method comprising:

  • detecting a face image of an area excluding the head-top of the human face;

    setting a head-top detecting window with a size including the head-top of the human face at an upper part of the detected face image;

    calculating an image feature quantity within the head-top detecting window in a vertical direction and identifying a location in which the image feature quantity changes with at least a threshold value as the head-top of the human face.

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