Patent · US Expired

Method and apparatus for identifying individuals

US6144754A · kind A · utility

123Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1998
Grant dateNov 7, 2000
Priority date
Expiry dateMar 25, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06V40/18
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An individual identification system and method for identifying individuals having elliptical pupils and elliptical irises. In the individual identification system, an image storage unit stores eye images, an the ellipse preparation unit prepares a plurality of ellipses, and a pixel addition unit adds up pixels laid along circumferences of the ellipses. An ellipse selection unit selects ellipses representative of the pupil and the iris among the plurality of ellipses based upon the sums of the pixels given by the pixel addition unit, whereby the parameters of the selected ellipses are output.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.