Method and apparatus for identifying individual
US6229907A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2000 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Mar 23, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/18
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
There is provided an individual identification system and a method thereof which are capable of identifying individuals having elliptical pupils and elliptical irises. In the individual identification system 10, the image storage unit 11 stores eye images 20, the ellipse preparation unit 12 prepares a plurality of ellipses, and the pixel addition unit 13 adds up pixels laid along circumferences of the ellipses. The ellipse selection unit 14 selects ellipses representative of the pupil 21 and the iris 22 among the plurality of ellipses based upon the sums of the pixels given by the pixel addition unit 13, whereby the parameters of the selected ellipses are output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.