Methods and systems for biometric identification of individuals using linear optical spectroscopy
US6816605B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2003 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Apr 3, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/7264
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and systems are provided for identifying an individual. Electromagnetic radiation is propagated into tissue of the individual. A measured spectral variation is received in the form of electromagnetic radiation scattered from the tissue of the individual. The measured spectral variation is compared with a previously stored spectral variation over a predetermined wavelength interval. The comparison is performed at each of multiple wavelengths within the predetermined wavelength interval and is performed of a property of the measured and previously stored spectral variations that is independent of a presence of other wavelengths. The individual is designated as having an identity associated with the previously stored spectral variation if the measured spectral variation is consistent with the previously stored spectral variation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.