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Apparatus, method and program performing image collation with similarity score as well as machine readable recording medium recording the program

  • US 20060045350A1
  • Filed: 08/29/2005
  • Published: 03/02/2006
  • Est. Priority Date: 08/30/2004
  • Status: Abandoned Application
First Claim
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1. An image collating apparatus for collating first and second images with each other, comprising:

  • partial area setting means for setting a plurality of partial areas for use in template matching in said first image;

    maximum matching score position searching means for searching for a maximum matching score position being a position in said second image of the partial area attaining a maximum matching score in said second image, corresponding to each of the images of the plurality of partial areas set by said partial area setting means;

    similarity score calculating means for calculating a similarity score between said first and second images from information related to said partial areas exhibiting a positional relationship quantity falling within a predetermined range among said positional relationship quantities of said plurality of partial areas, and outputting said similarity score as an image similarity score; and

    determining means for determining whether said first and second images match with each other or not, based on said image similarity score output from said similarity score calculating means, wherein the positional relationship quantity represents a positional relationship between a position of said partial area in said first image and said maximum matching score position corresponding to said partial area, and said partial area setting means includes;

    neighboring partial area setting means for setting a plurality of neighboring partial areas located in said first image and neighboring to each other without an overlap, and boundary-including partial area setting means for setting a boundary-including partial area located on said neighboring partial areas set by said neighboring partial area setting means and in a position including a boundary between said neighboring partial areas, and said neighboring partial areas and said boundary-including partial area are set as said plurality of partial areas.

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