×

Method for extracting features of irises in images using difference of sum filters

  • US 20070160266A1
  • Filed: 01/11/2006
  • Published: 07/12/2007
  • Est. Priority Date: 01/11/2006
  • Status: Abandoned Application
First Claim
Patent Images

1. A method for extracting features of an iris in an image, comprising:

  • detecting boundaries of an iris in an image;

    mapping pixels representing the iris in the image to a rectangular image, according to the boundaries;

    filtering the pixels in the rectangular image to produce filtered output, in which the filtering uses difference of sum filters;

    binarizing the filtered output to produce a feature vector representing the iris.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×