Method for detecting the reality of venous networks for the purposes of identifying individuals, and biometric recognition method
US9460335B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2013 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Sep 27, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/14
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of detecting a venous network in a portion of a human body, the method comprising the steps of capturing an infrared image of said human body portion in order to reveal a venous network of said human body portion; analyzing contrast in the infrared image in order to determine contrast characteristics of the infrared image; and determining whether the human body portion is real on the basis of contrast characteristics determined in the infrared image and of contrast characteristics determined from reference human body portions. A method of biometric recognition with a prior stage of detecting whether a portion of a human body is real.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.