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Person recognition method and apparatus

  • US 8,509,497 B2
  • Filed: 07/28/2010
  • Issued: 08/13/2013
  • Est. Priority Date: 07/29/2009
  • Status: Active Grant
First Claim
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1. A person recognition method for comparing a photographic image showing a face of a person to be recognized with face images of a plurality of registrants registered in a database, the person recognition method comprising the steps of:

  • determining a date of taking a photograph of a person to be recognized;

    subtracting a date of taking a registrant'"'"'s face image from the date of taking the photographic image of the person to be recognized, and calculating a number of elapsed years from the date of taking the registrant'"'"'s face image;

    selecting one of a plurality of image comparison methods for comparing the photographic image with the registrant'"'"'s face image in accordance with the number of elapsed years;

    comparing the photographic image with the registrant'"'"'s face image by the selected image comparison method, and calculating a degree of resemblance between the photographic image and the registrant'"'"'s face image using the selected image comparison method; and

    displaying personal data of the one or more registrants, the personal data with the higher degree of resemblance being given a high priority to be displayed.

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