System and methods for transforming biometric image data to a consistent angle of inclination
US7916907B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Nov 30, 2009 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Nov 30, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/30
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Biometric data are obtained through a biometric input device (120) and subsequently pixelated via a pixelator (130). The pixelator (130) creates an image of the biometric data. Via a processing unit (110), a relationship between pixels of a transformed version of the image is asserted. Thus, the biometric data is rotated to a consistent inclination based on the relationship between pixels regardless of an orientation in which the biometric data were captured in the original image. Once the image has been transformed, features of the biometric data may be extracted and either stored in a data storage unit (140) or compared with previously stored feature values for validation of the biometric data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.